Cisco Blog » The Platform

2015年9月1日星期二

Cisco Notification Alert -3750X Series Switch-01-Sep-2015 16:53 GMT

 

 

 

 

 

 

 


Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24U-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24S-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24P-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48T-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48T-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48P-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015

Software Updates for Catalyst 3750-X Series Switches

Product Name:
Catalyst 3750X-48P-L Switch
Software Type:
IOS Software
Alert Type:
 
Suggested:
  

Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48PF-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24S-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48P-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-12S-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48U-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48U-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24T-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-12S-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24U-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24T-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24P-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48PF-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48PF-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48U-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24U-L Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24P-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-24T-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48T-S Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Software Updates for Catalyst 3750-X Series Switches

Alert Type:
New Release
Product Name:
Catalyst 3750X-48P-E Switch
Software Type:
IOS Software
Release Version:
15.2.2E3
Release Date:
28-AUG-2015
Find additional information in Software Downloads index.

Known Bugs - Catalyst 3750-X Series Switches

Alert Type:
Updated *
Bug Id:
CSCto10165
Title:
Smart Install Crashes with certain IP Packets
Status:
Fixed
Severity:
1 Catastrophic
Description:

Summary
A vulnerability exists in the Smart Install feature of Cisco Catalyst Switches running Cisco IOS Software that could allow an unauthenticated,
remote attacker to perform remote code execution on the affected device.

Cisco has released free software updates that address this vulnerability.

There are no workarounds available to mitigate this vulnerability other than disabling the Smart Install feature.

This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20110928-smart-install.shtml.

Last Modified:
15-AUG-2015
Known Affected Releases:
12.2(55)SE, 12.2(58)SE
Known Fixed Releases: *
12.2(55)EX3, 12.2(55)SE3, 12.2(55)SE4, 12.2(55)SE5, 12.2(55)SE6, 12.2(55)SE7, 12.2(55)SE8, 12.2(55)SE9, 12.2(58)EY, 12.2(58)EZ
Alert Type:
Updated *
Bug Id:
CSCuu47539
Title:
Stack port becomes root port after reload on 3750X
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
Stack port shows up as root port for some or all vlans after a reload.
Reload could be member or whole stack

Logs similar to below are see for the actual root port

Mar 30 04:51:47.128: %DTP-5-TRUNKPORTON: Port Gi4/1/1-Gi4/1/1 has become dot1q trunk (3750-stack-4)
Mar 30 04:51:47.439: %DTP-5-NONTRUNKPORTON: Port Gi4/1/1 has become non-trunk (3750-stack-4)

Mar 30 04:51:50.576: %LINK-3-UPDOWN: Interface GigabitEthernet4/1/1, changed state to up

Conditions:
The uplinks should be fiber connections configured as trunk
"switchport nonegotiate" should be configured on it

Workaround:
remove "switchport nonegotiate

Further Problem Description:
Issue is same as reported in CSCue03558.
But that bug was only fixed for 3750V2

The issue is being seen in 3750X as well
The test was done with 15.0(2)SE7

Last Modified:
15-AUG-2015
Known Affected Releases:
15.0(2)SE6
Known Fixed Releases: *
15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(4.10.61)PI5
Alert Type:
Updated *
Bug Id:
CSCtq51049
Title:
Unable to console from member SW with access-class applied in 12.2(58)
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
Unable to console into member switch when an ACL is applied to the VTY lines.

Conditions:
WS-C3750X-48T-S running c3750e-universalk9-mz.122-58.SE.bin

This issue occurs in all versions of 12.2(58) due to changes made in the stacking code.

Workaround:
- Not seen with 12.2(55)SE1
- When applying an acl to the vty lines "line vty 0 4" and "line vty 5 15"; please follow the following procedure.

1. Create the vty acl and permit the 127 network;
2. Append the "vrf-also" keyword to the configured access-class inbound.

Example:

ip access-list standard vty-acl
permit 127.0.0.0 0.0.0.255

line vty 0 4
access-class vty-acl in vrf-also
privilege level 15
length 0
transport input ssh
line vty 5 15
access-class vty-acl in vrf-also
privilege level 15
transport input ssh

Last Modified:
10-AUG-2015
Known Affected Releases:
12.2(58)SE
Known Fixed Releases: *
15.0(2)EA, 15.0(2)EB, 15.0(2)EC, 15.0(2)ED, 15.0(2)EH, 15.0(2)EJ, 15.0(2)EJ1, 15.0(2)EK, 15.0(2)EK1, 15.0(2)EX
Alert Type:
Updated *
Bug Id:
CSCum43119
Title:
switch crash at host_track_lookup_based_on_mac_ip_vlan
Status:
Other
Severity:
2 Severe
Description: *

Symptom:
Cisco IOS device crashes at function host_track_lookup_based_on_mac_ip_vlan, when configured with IP device tracking.

Conditions:
Device configured with IP device tracking.

Cisco IOS XE releases 03.02.01.SE, 03.02.02.SE, 03.02.03.SE, 03.03.0XO and 3.5.0E are affected.

Cisco IOS Software releases are affected:
15.0(1)EX1 and later.
15.1(1)XO and later.
15.2(1)E and later.

First Fixed in 15.0(1)EZ

Workaround:
If the features is not being used it is possible to disable IP device tracking.

More-Info:

In certain circumstance the IPDT AVL can become corrupted, resulting in the crash. Packets causing corruption are broadcast domain packets only.

PSIRT Evaluation:

The Cisco PSIRT has assigned this bug the following CVSS version 2 score. The Base and Temporal CVSS scores as of the time of evaluation are 6.1/5:
http://tools.cisco.com/security/center/cvssCalculator.x?vector=AV:A/AC:L/Au:N/C:N/I:N/A:C/E:F/RL:OF/RC:C&version=2.0

CVE ID CVE-2013-6705 has been assigned to document this issue.

Additional details about the vulnerability described here can be found at:
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6705

Additional information on Cisco's security vulnerability policy can be found at the following URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

Further Problem Description:

Last Modified:
18-AUG-2015
Known Affected Releases:
15.2(1)E
Known Fixed Releases:
Alert Type:
Updated *
Bug Id:
CSCup79358
Title:
C3KX-SM-10G doesn't pass through any packets after reloading switch
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
After reloading switch, port on C3KX-SM-10G doesn't transmit/receive
any packets although the link status is up/up.

Conditions:
- 15.2(1)E, E1, E2, E3, and 15.2(2)E is running
- not always occur after reloading switch
- not depend on SFP type
- not depend on specific configuration
- receive counter of the port never increment

This condition may recover by reloading C3KX-SM-10G.
(but the same behavior may be seen after that)

Workaround:
Enabling macsec on the interfaces

Further Problem Description:

Last Modified:
15-AUG-2015
Known Affected Releases:
15.2(2)E
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E
Alert Type:
Updated *
Bug Id:
CSCup55822
Title:
Delays in Convergence time during link-flap between VSS and 3750
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:The convergence time ( measured using packet loss duration in IXNetwork) is higher than expected when links on the multi-chassis port-channel between VSS and 3750 access switches flap or failover.

Conditions:This convergence value (packet loss duration) is specifically high when the port-channel member port is coming up ( either using no shut command or during the link insert) on the member switch of 3750 stack

Workaround:The high convergence is taking because the switch is having 95 vlans from 1 to 94, 1699 when ever the link is no shut it programing all the vlans on the port in ascending order of vlan number. Since in this case vlan 1699 is used for sending traffic it takes more time as it vlan 1699 is programmed in the last. The work around is to use lesser numerical vlan number for sending senstive data where less convergence is required ie example. say vlan 14 so that the convergence time will be decreased as vlan 14 is programmed before vlan 1699

More Info:Convergence values during MEC link failover are specified in
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Campus/Borderless_Campus_Network_1-0/Borderless_Campus_1-0_Design_Guide/BN_Campus_Technologies.html#wp1247223

The value we observe in customer environment and our lab setup is not in accordance to the values specified in the document.



Last Modified:
08-AUG-2015
Known Affected Releases:
15.1(1)SY2.1
Known Fixed Releases: *
15.0(2)EX7, 15.0(2)SE7, 15.1(2)SY4, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST
Alert Type:
Updated *
Bug Id:
CSCuq11337
Title:
Fail to bundle l2protocol ports into channel
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
May fail to bundle l2protocol tunnel ports into channel using mode on. Member port always stays suspended.

If the l2pro port on the master switch joined the channel group first, the port on the member switch stayed in "S" state as incompatible port.

Conditions:
l2pt port configuration under cross stack port-channel

Workaround:
Reload switch stack
or remove commands:
l2protocol-tunnel shutdown-threshold
l2protocol-tunnel drop-threshold

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE6, 15.2(2)E
Known Fixed Releases: *
15.0(2)SE8, 15.2(2)E1, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCui41907
Title:
CTS C3KX-SM to N7K in LACP Link down after ~9 master switchover
Status:
Fixed
Severity:
2 Severe
Description:

Symptom: After a master switchover in a 3750X stack C3KX-SM module port-channels to the neighboring N7K enter into "suspended" state on the N7K side. Interfaces remain suspended even after the original master switch returns to service. The link state is up/down in the 3750X switch. This happens intermittently after a lot of master switch overs.
Conditions: This issue is seen with C3KX-SM module interfaces configured in MACSEC CTS manual mode with SAP GCM Encrypt encapsulation.
Workaround: Shut/No Shut on the affected port.

Last Modified:
03-AUG-2015
Known Affected Releases:
15.0(2)SE4
Known Fixed Releases: *
15.0(2)SE5, 15.0(2)SE6, 15.1(1)SY, 15.2(2)E, 15.2(2.2.70)ST, 15.2(2b)E, 15.2(4.0)ST, 15.2(5.0)ST, 15.4(1.14.11)PIH24, 15.4(1.16)S
Alert Type:
Updated *
Bug Id:
CSCuj36089
Title:
Packet loss during S,G creation
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
In a topology where a 3750X acts as the multicast router and a receiver exists for a multicast group (*,G) prior to the source sending multicast traffic, some of the initial packets sent by the source may be lost. Once the (S,G) is programmed for the traffic sent by the source for the multicast group all subsequent multicast traffic reaches the receiver.

Conditions:
A topology where a 3750X acts as the multicast router and a receiver exists for a multicast group (*,G) prior to the source sending multicast traffic

Workaround:
No Workaround

Further Problem Description:

Last Modified:
15-AUG-2015
Known Affected Releases:
15.0(2)SE2
Known Fixed Releases: *
15.0(2)SE6, 15.2(2)E, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E
Alert Type:
Updated *
Bug Id:
CSCud51802
Title:
REP on 3750-X errors: Virtual interface not working on slave
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:

Ping fail when the REP segment connecting to cat3750x with master switch as one primary edge, slave
switch interface as the other edge.


Conditions:

Affected software release: 15.0(2)SE, 15.0(2)SE1, 15.0(02)SE2.

Workaround:

none



Last Modified:
14-AUG-2015
Known Affected Releases:
15.2(1.1)
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3
Alert Type:
Updated *
Bug Id:
CSCuv53430
Title:
inconsistent vlan bpdu received on uplink l3 switch
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
long ping timeout from PC to uplink 3750X vitural ip and saw below error messages
detected on uplink L3 switch when interface gi1/x/x connectiong to HSRP-Active switch
link up back.

-----------------------------------------------------------------
%SPANTREE-2-RECV_PVID_ERR: Received BPDU with inconsistent peer vlan id xx on GigabitEthernet1/0/20 VLANxx.
%SPANTREE-2-BLOCK_PVID_PEER: Blocking GigabitEthernet1/0/xx on VLANxx. Inconsistent peer vlan.
%SPANTREE-2-BLOCK_PVID_LOCAL: Blocking GigabitEthernet1/0/xx on VLANxx. Inconsistent local vlan.
-----------------------------------------------------------------
WS-C3750X-48P-L(HSRP-A)gi1/0/x------gi1/x/x WS-C3750X-48P-L(Stack)
Gi1/0/x gi1/0/x
| Port-channel |
Gi1/0/x gi1/0/x
WS-C3750X-48P-L(HSRP-S)gi1/0/x------gi2/x/x WS-C3750X-48P-L(Stack)gi1/0/x---PC
----------------------------------------------------------------

Conditions:
gi1/x/x on Stack link down/up by cable OIR or shut/no shut the connecting interface
on uplink side.

Workaround:
None

Further Problem Description:

Last Modified:
27-AUG-2015
Known Affected Releases:
15.0(2)SE6
Known Fixed Releases: *
15.2(4.0.86)E
Alert Type:
Updated *
Bug Id:
CSCud01798
Title:
"FRU Power Supply is not responding" was seen unexpectedly
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:

"FRU Power Supply is not responding" message seen on 3560X/3750X intermittently.

Issue may happen with one or two Power Supply Unit.

Conditions:

3560X/3750X is running IOS 15.0(2)SE.

Workaround:

The power supply is operating normally.
Upgrade to 15.0(2)SE2 or later to resolve this issue.

Last Modified:
14-AUG-2015
Known Affected Releases:
15.0(2.0.80)SE, 15.0(9.8)EMP
Known Fixed Releases: *
12.2(55)SE10, 15.0(2)EJ, 15.0(2)EJ1, 15.0(2)EZ, 15.0(2)SE2, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E
Alert Type:
Updated *
Bug Id:
CSCue49529
Title:
3750X stack cross channel down/up after master power off/on
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
1.3750X stack running 15.0(2)SE1,connect to 2960 by cross channel.(channel mode on)
The Line Protocol of member I/F and channel will down/up after master switch power off/on,
and channel on 2960 also down/up.This problem does not happen on TeG I/F, channel.

2.even though the channel became down ,sometimes there's no message output on the stack.
We can see the channel down message on the peer 2960.

Conditions:
stack cross channel

Workaround:
No

Further Problem Description:

Last Modified:
14-AUG-2015
Known Affected Releases:
12.2(58)SE, 15.0(2)SE
Known Fixed Releases: *
15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3, 15.2(1)EX0.87, 15.2(1)EY, 15.2(1.1)EY, 15.2(2)E
Alert Type:
Updated *
Bug Id:
CSCun51532
Title:
Sometimes C8945 with port synchronisation lose SW link on PC link
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
The link is up but there is speed mismatch between both ends of the link. This does not allow traffic to flow.

Conditions:
This can be seen when a large no of ports (~20) observe link change event at the same time.

Workaround:
Do a "shut" and "no shut" of the port which is affected.

Further Problem Description:
"shut" and "no shut" will toggle the link and clear the speed mismatch on either side of the link.

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE2
Known Fixed Releases: *
15.0(2)EX8, 15.0(2)SE7, 15.2(1.41)PSR, 15.2(2)E, 15.2(2.2.32)EA, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(0)E
Alert Type:
Updated *
Bug Id:
CSCum86316
Title:
%ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy on bootup
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
c2960s OR c3750x will print Below errors some times.
Mar 30 01:30:04.263: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:31:04.275: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:32:04.279: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:33:04.283: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:34:04.278: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy
Mar 30 01:35:04.290: %ENTROPY-0-ENTROPY_ERROR: Unable to collect sufficient entropy

Conditions:
Happens only in the c3750x and c2960s which are using ACT1 base Entropy. Not seen in other models. This does not happen all always and on all the units. Happens only in some units.

Workaround:
None

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.4(2.2)T
Known Fixed Releases: *
15.2(1.30)PSR, 15.2(2)E, 15.2(2.2.32)EA, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST
Alert Type:
New
Bug Id:
CSCus32213
Title:
CTS manual link does not come up
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
cts manual link does not come up between 3750 with 15.2(E) CCO image and any other macsec supported peer switch, unless "dot1x system-auth-control" global cli is configured on the 3750 switch.

Conditions:
CTS manual links on 3750 switch without configuring "dot1x system-auth-control" global configuration.
CTS manal link fails to come up, as the SAP negotiation fails to start due to the missing EAP ACL.

Workaround:
enabled the global "dot1x system-auth-control" CLI on 3750 switches.

Further Problem Description:

Last Modified:
28-AUG-2015
Known Affected Releases:
15.2(3)E
Known Fixed Releases:
15.2(3)E1, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.7(1)E
Alert Type:
Updated *
Bug Id:
CSCum75450
Title:
CPUHB_RECV_STARVE when acl log configured in stack
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
With following message, switch performance may be slow,
sometimes switch gets hang and not recovered until power cycling.

%SUPQ-4-CPUHB_RECV_STARVE: Still seeing receive queue stuck after throttling

Following messages may also be observed when problem happens.

%PLATFORM_RPC-3-MSG_THROTTLED: RPC Msg Dropped by throttle mechanism
%XDR-6-XDRIPCNOTIFY: Message not sent to slot X because of IPC error timeout. Disabling linecard. (Expected during linecard OIR)

Conditions:
Catalyst 3750X in stack configuration running 12.2(58)SE or later including 15.0SE releases and 15.2E releases.
log keyword is configured in access-list and traffic go through the member switches hit access-list that log keyword is configured.

Workaround:
Configuring longer logging interval may be the workaround for this problem.
For example,
ip access-list logging interval

Risk for this workaround is packet count that hit the access-list might be inaccurate because logging process is involved with every logging interval.

To recover the switch when problem is happening, you need to power cycling the switch.

Further Problem Description:
Note that this problem does not happen in 12.2(55)SE releases.

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE2, 15.2(1)E
Known Fixed Releases: *
15.0(2)SE7, 15.2(1.30)PSR, 15.2(2)E, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(0)E
Alert Type:
Updated *
Bug Id:
CSCuc95754
Title:
TestPortAsicCam POST failures
Status:
Fixed
Severity:
2 Severe
Description:

PortASIC's TCAM test failure when on-demand diagnostics (through diagnostics start command) was executed.

Symptom:
PortASIC's TCAM test failure when on-demand diagnostics (through diagnostics start command) was executed.

Conditions:
This can happen in any of the versions 12.2(55), 12.2(58) or 15.0(2), with switches 3560-E, 3750-E
3560-X, 3750-X. This problem was initially known to happen in mixed stack of 24 port and 48 port switches in one specific case. In other reproducible cases, it happened randomly in standalone switches with walle uplink modules.

Workaround:
Results of on-demand diagnostics can be ignored if POST succeeds on bootup.

More Info:

Last Modified:
14-AUG-2015
Known Affected Releases:
15.0(2)SE, 15.0(2.0.0)
Known Fixed Releases: *
12.2(55)SE8, 12.2(55)SE9, 15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1
Alert Type:
New
Bug Id:
CSCuu05782
Title:
Traffic disruption after modification of ACL on SVI with QoS attached
Status:
Fixed
Severity:
2 Severe
Description:

Traffic outage observed post ACL modification applied to SVI when SVI has been attached with QoS policy. Traffic disruption is seen when ACE is modified or box is reloaded.

Symptom:

Conditions:
Issue happens when ACL and QoS policy-applied to SVI and when ACE is modified. Traffic is disrupted for traffic hitting ACE which has "range" option.

Workaround:
Default the SVI and add the configuration again.

Further Problem Description:

Last Modified:
30-AUG-2015
Known Affected Releases:
12.2(55)SE9
Known Fixed Releases:
15.2(3)E2, 15.2(4.0.64a)E, 15.2(4.10.60)PI5, 15.2(5.0)ST, 3.7(2)E
Alert Type:
Updated *
Bug Id:
CSCum65542
Title:
ping lost between 3750X and straight device when PBR next-hop lost
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
ping lost between 3750X and the straight device when PBR next-hop is lost

Conditions:
when PBR is enabled on 3750X and PBR next-hop is lost

Workaround:
none

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE5
Known Fixed Releases: *
15.0(2)SE6, 15.2(1.30)PSR, 15.2(2)E, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(0)E
Alert Type:
Updated *
Bug Id:
CSCuj68289
Title:
SGACL counters fail for authentication-server based SGT
Status:
Fixed
Severity:
2 Severe
Description:

Symptom: Static SGACL permissions are not updated for authentication server assigned SGT.
Conditions: This symptom is seen with an authentication server assigned SGT.
Workaround: Use manual SGT or dynamic SGACL.

Last Modified:
12-AUG-2015
Known Affected Releases:
15.2(2)E
Known Fixed Releases: *
15.1(2)IC66.2, 15.2(1)IC273.56, 15.2(1)ICA4.30, 15.2(2)DB101.101, 15.2(2)DB101.112, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 15.4(2.17)S0.6, 15.4(2.6)T
Alert Type:
Updated *
Bug Id:
CSCun01172
Title:
kSlow CLI response when configuring 3750X stacked switches
Status:
Fixed
Severity:
2 Severe
Description:

Symptom:
Delayed or slow response while in config mode when config context changes during initial configuration.

Conditions:
Stacked Cat 3K switches, when config context levels change and all neighbor switches are having to be updated. Affected commands which have been observed are vlan and interface range (on first config of device).

Workaround:
The delayed Cli response will not occur when we configuring the vtp domain name.

Further Problem Description:

Last Modified:
15-AUG-2015
Known Affected Releases:
15.0(2.0.0)
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCug90127
Title:
port-security violation error message appears on the stack switch
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Port goes into err-disabled state because of port-security security violations. This happens due to "Total MAC address" learned is not synced across the stack members.

Conditions:
configure "switchport port-security maximum " on an interface on a stack member and send traffic from the device connected to it. After sometime, device goes into err-disabled state because of the security-violations.

Workaround:
Run "no switchport" command for the interface.

Further Problem Description:

Last Modified:
16-AUG-2015
Known Affected Releases:
15.0(2)SE
Known Fixed Releases: *
15.0(2)SE6, 15.0(2a)EX5, 15.2(1.1)PSR, 15.2(2)E, 15.2(4.0)ST, 15.2(4.0.64a)E
Alert Type:
Updated *
Bug Id:
CSCtj56719
Title:
Crash on configuring DSCP mutation map on 3750x
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
3750x crashed after configuring dscp-mutation on an interface
Conditions:
Mutation name length > 25
Workaround:
Change the mutation name length <= 25

Last Modified:
15-AUG-2015
Known Affected Releases:
12.2(55)SE
Known Fixed Releases: *
12.2(55)SE4, 12.2(55)SE5, 12.2(55)SE6, 12.2(55)SE7, 12.2(55)SE8, 12.2(55)SE9, 12.2(58)EZ, 12.2(58)SE, 12.2(58)SE1, 12.2(58)SE2
Alert Type:
Updated *
Bug Id:
CSCtq00251
Title:
3750x: Fan modules unplugged but showed ok in show env all
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Fan modules unplugged but showed ok in show env all

Conditions:
3750x, 3560x, IOS version 58.SE

Workaround:
None

Last Modified:
15-AUG-2015
Known Affected Releases:
12.2(58)SE
Known Fixed Releases: *
12.2(55)SE4, 15.0(1)EY2, 15.0(1)SE, 15.0(1)SE2, 15.0(1)SE3, 15.0(2)EA, 15.0(2)EB, 15.0(2)EC, 15.0(2)ED, 15.0(2)EH
Alert Type:
Updated *
Bug Id:
CSCti50576
Title:
LED does not light up with traffic running
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
LED turns to black when the cable is pulled out and plugged back in when there is traffic on the port. Sometimes it continues in flashing amber mode.

Conditions:
When there is traffic passing through the port when cable is unplugged and plugged back in.

Workaround:
It will change to the correct color when traffic stops. It works normally after that.

Last Modified:
15-AUG-2015
Known Affected Releases:
12.2(53)SE2
Known Fixed Releases: *
12.2(55)SE3, 12.2(55)SE4, 12.2(55)SE5, 12.2(55)SE6, 12.2(55)SE7, 12.2(55)SE8, 12.2(55)SE9, 12.2(58)EZ, 12.2(58)SE, 12.2(58)SE1
Alert Type:
Updated *
Bug Id:
CSCti27620
Title:
SNMP trap and snmp walk don't reflect correct status for power supply
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:

SNMP traps not sent out when a PS is disconnected from a 3750-X switch.

Conditions:

Workaround:
none

Last Modified:
15-AUG-2015
Known Affected Releases:
12.2(55)SE
Known Fixed Releases: *
12.2(55)SE3, 12.2(58)SE, 15.0(4.1)SID, 15.2(4.0)ST, 15.2(4.0.64a)E
Alert Type:
Updated *
Bug Id:
CSCuf21387
Title:
WS-C3750X-48T-S || Incorrect Vlaue for "FRULink Container"
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Configure SNMP on the mixture of 3750X and 3750 stack switch
Customer tries to poll the OID: 1.3.6.1.2.1.47.1.1.1.1 which belongs to Object "entPhysicalEntry"The problem occurs for the instance number 3056.
It contains the value 0. This is wrong and produces the problem.
I would expect there a number with 3xxx because the 3750x is the third device in the stack.
The first device in the stack starts with 1xxx, the second with 2xxx and so on.
When you filter for this instance number (3056) you will see, that it is the 'FRULink Container'.
So everything where this container is the parentIndex could not be referenced to the correct device in the stack.
This problem is exactly the same for all stacked 3750X devices. The entPhysicalContainedIn value for the 'FRULink Container' is always 0.

Conditions:
The issue happens only for WS-C3750X-48.

Workaround:
None

More Info:

Last Modified:
14-AUG-2015
Known Affected Releases:
12.2(55)SE1
Known Fixed Releases: *
12.2(33)IRC, 12.2(33)MRA, 12.2(33)SB14, 12.2(33)SB15, 12.2(33)SB16, 12.2(33)SB17, 12.2(33)SB4, 12.2(33)SB6a, 12.2(33)SB6aa, 12.2(33)SB6b
Alert Type:
Updated *
Bug Id:
CSCuf13634
Title:
C3750X link UP with auto/auto state if configured speed nontgo
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
configured 'speed nonegotiate' on Gi1/1/3
but this port goes up with auto/auto state by "show interface gi 1/1/3 status"

seems same issue as CSCub91647.

Conditions:
- configured 'speed nonegotiate'.
but this problem is not 100% repro.

Workaround:
shut/no shut on Gi1/1/3

Further Problem Description:

Last Modified:
14-AUG-2015
Known Affected Releases:
12.2(55)SE8, 15.0(2)SE1
Known Fixed Releases: *
15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3, 15.2(1)EX0.22, 15.2(1)EY, 15.2(1.1)EY, 15.2(1.24)PSR
Alert Type:
Updated *
Bug Id:
CSCuc41395
Title:
unicast IP routing fails after PBR next-hop is lost by stack master down
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
communication down

Conditions:
PBR is set to Catalyst 3750X stack switch.
When stack master goes down and PBR next-hop is lost, even normal unicast routing fails.

Workaround:
None

Last Modified:
14-AUG-2015
Known Affected Releases:
15.0(1)SE3, 15.0(2)SE
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3
Alert Type:
Updated *
Bug Id:
CSCue83689
Title:
Indus: TB at macsecdev_set_port_option on shutting a authenticated port
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:A Catalyst switch may crash with the below message in the log
%SYS-2-NOBLOCK: may_suspend with blocking disabled. -Process= "hpm main process", ipl= 0, pid= 121
OR
%SYS-2-NOBLOCK: may_suspend with blocking disabled. -Process= "HRPC pm request handler", ipl= 0, pid= 130


Conditions:Seen when a vlan is assigned via ACS and switch is configured for 802.1x authentication.

Workaround:Not known at this time.



Last Modified:
14-AUG-2015
Known Affected Releases:
n/a
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.2(1)E, 15.2(1)EX0.22, 15.2(1.1)EY, 15.2(1.24)PSR, 15.2(1.25)PSR, 15.2(1.26)PSR
Alert Type:
Updated *
Bug Id:
CSCuc90103
Title:
Incorrect value of input error count
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom: Incorrect value in input error/FCS error counter

sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
4294963524 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored << Input error counter increases to 4294963524>>
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored << Input error counter came to 0>>
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
sc-p12379-acsw0801#sh int g2/1/2 | i input errors
4294963524 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored <<><< Input error counter again increases to 4294963524>>>


Conditions:None

Workaround:

Last Modified:
14-AUG-2015
Known Affected Releases:
15.0(1.7)
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)SE3, 15.0(2)SE4, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3
Alert Type:
Updated *
Bug Id:
CSCuj69384
Title:
IOS Modify default behavior Express Setup to avoid unexpected invocation
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:Express Setup is a feature that allows for quick configuration of basic features on the WS-C3750X and other IOS based switches. Express Setup is invoked through holding the Mode button for 2 seconds on an unconfigured switch or for 10 seconds on a previously configured switch. When this happens the switch configuration is deleted and the switch reboots and can be configured using Express Setup or via the CLI.

Large anti-snag cable boots have the potential of coming into contact with the mode button resulting in the unexpected invocation of Express Setup. This request is for a change in the default behavior of Express Setup to avoid invocation when a switch is in production and invocation is undesirable.

Conditions:The cable boot is making extended contact with the mode button resulting in Express Setup being invoked. When this happens the following messages will be seen on WS-3750X-48 and other IOS based switches:

%SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram
%SYS-5-RELOAD: Reload requested by Hulc LED Process. Reload Reason: Reason unspecified.

The device will then reset and the configuration will not be present when it comes back up.

Workaround:Disable Express Setup with the following command:

no setup express

Or remove the the cable boot from the cable installed in port 1.

More Info:A similar bug has been filed for IOS-XE based switches:
CSCuj17317 - XE: Modify default behavior of Express Setup to avoid unexpected invocation


Last Modified:
08-AUG-2015
Known Affected Releases:
none
Known Fixed Releases: *
15.2(3)E2, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(4.10.60)PI5, 15.2(5.0)ST, 3.7(2)E
Alert Type:
Updated *
Bug Id:
CSCun26893
Title:
High CPU due to ASP Process Crea, crash on disabling macros
Status:
Fixed
Severity:
3 Moderate
Description:

High CPU and crash

Symptom:
A stack of four WS-C3750X-48PF-S switches running IOS "c3750e-universalk9-mz.150-2.SE5.bin".

1> Firstly,we are seeing a CPU at 99% majorily due to the process "ASP Process Crea".

b-la1-013-sw-01#sho proc cpu sort
CPU utilization for five seconds: 99%/0%; one minute: 99%; five minutes: 84%
--More-- PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
363 99416 3304 30089 50.39% 43.54% 22.12% 0 ASP Process Crea
180 843481803 98980536 8521 18.55% 18.03% 18.08% 0 Hulc LED Process

ASP process goes high due to macros on multiple inetrfaces.

2>When we try to remove the macros by the command "no macro auto global processing"
The CPU comes back to normal but the master switch crashes.

Conditions:
Macro on multiple interfaces on stack switch WS-C3750X-48PF-S .
Switches running IOS "c3750e-universalk9-mz.150-2.SE5.bin".

Workaround:
Reload the stack and CPU remains low for a while. Removing the macros at this time does not cause the crash.

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE5
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCtr97529
Title:
3750X reload on PS failover even when PSx LED AC/PS turn Green
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
After restoration of power to a power supply slot, the switch reloads or hangs if power is removed from the other power supply slot despite the PS LED green on the first power supply.

Conditions:
Switch with 2 PS installed.

1) Remove power cord from PS1.

2) Plug the power cord back in PS1. Wait for AC and PS LED to turn Green.

3) Within 3-5 seconds of plugging back the power cord for PS1, remove the power cord from PS2.
At this point, switch reloads or hangs, indicating PS1 didn't entirely take over, despite AC/PS LED indicated it to be OK (Green).

Workaround:
Wait 10 seconds after the PS LED is green before removing power from the other power supply slot. Alternately, wait 2 seconds after "%PLATFORM_ENV-1-FRU_PS_SIGNAL_OK: POWER_GOOD signal on power supply <1-2> is restored" is seen.

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
12.2(58)SE
Known Fixed Releases: *
15.2(1)SY1, 15.2(3)E1, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.7(1)E
Alert Type:
Updated *
Bug Id:
CSCuo17293
Title:
MAC sync issue on 3750 stack running SE5
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
mac address table is out of sync.

Conditions:
port-security is configured on all ports and when end host move.

Workaround:
clear mac address table will resolve the issue

Further Problem Description:
Few mac addresses are missing on one or two switches in the stack

Last Modified:
08-AUG-2015
Known Affected Releases:
n/a
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCum89956
Title:
Stack ping failed on int has static mac bounded after removed cable
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Removed/inserted the cable, or shut/no shut interface, ping failed on interface has static mac bounded.

Conditions:
1. to set static mac-address
2. Stack connection between Master and Member on topology
3. Each each device configured on Stack is bridged by portchannel.
4 Client connected to device is not to be allowed arp resolution.

Workaround:
shut/no shut portchannel

Further Problem Description:
Static mac configured on a cross stack etherchannel is affected.

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE5
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCum17035
Title:
link on member switch goes down when master switchover
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
link on member switch goes down when master switchover

Conditions:
This issue happens when "no physleep enable" is configured on interface of member switch

Workaround:
remove "no physleep enable " command

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE5
Known Fixed Releases: *
15.0(2)SE6, 15.2(1.30)PSR, 15.2(2)E, 15.2(2b)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(0)E
Alert Type:
Updated *
Bug Id:
CSCuq49531
Title:
10G link convergence is better than 1G convergence when is link pulled
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
10G link convergence is better than 1G convergence when is link pulled

Conditions:
10G link convergence is better than 1G convergence during link pull
when a 10G interface is lost in a port channel the flows switch over faster to the back up link when compared to a 1G.

Workaround:
none

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
n/a
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCuo97298
Title:
PS-FAN falls to FAUTY status after upgrading IOS.
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
PS-FAN falls to FAUTY status after upgrading your IOS software.

The show env stack command displays the following

SWITCH: 1
FAN 1 is OK
FAN 2 is OK
PS-FAN1 is FAULTY
PS-FAN2 is NOT PRESENT
TEMPERATURE is OK
Temperature Value: 35 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 46 Degree Celsius
Red Threshold : 60 Degree Celsius
POWER is OK
RPS is NOT PRESENT

SWITCH: 2
FAN 1 is OK
FAN 2 is OK
PS-FAN1 is FAULTY
PS-FAN2 is NOT PRESENT
TEMPERATURE is OK
Temperature Value: 34 Degree Celsius
Temperature State: GREEN
Yellow Threshold : 46 Degree Celsius
Red Threshold : 60 Degree Celsius
POWER is OK
RPS is NOT PRESENT
---------------------

Conditions:
3750X
15.0(2)SE6

Workaround:
Downgrade to Cisco IOS Release 15.0(2)SE5.

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE6
Known Fixed Releases: *
15.0(2)SE7, 15.2(2)E1, 15.2(2.54)PSR, 15.2(2b)E, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCug67745
Title:
3750x: sometimes WCCP ISY packets not received by cache engine
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Sometimes WCCP ISY packets not received by the Cache engine in multicast mode

Conditions:
3750x-12S, WCCP in multicast mode

Workaround:
Use unicast mode

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
n/a
Known Fixed Releases: *
15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3, 15.2(1)EY, 15.2(1.1)EY, 15.2(1.30)PSR, 15.2(2)E
Alert Type:
Updated *
Bug Id:
CSCup86619
Title:
Port err-disable after link-flap with "speed nonegotiate" option.
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
Interface step into err-disable due to link flap. Interfaces even not connect any link.

Conditions:
this happens when we configure Speed nonegotiate on a GigabitEthernet Fiber interface.

Workaround:
shut - no shut after connecting the link.

Further Problem Description:

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE
Known Fixed Releases: *
15.0(2)SE8, 15.2(2)E1, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.6(1)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCuo08166
Title:
2x PoE mode does not remain configured on peer switches in a stack
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
If the CLI command 'set power inline port maximum 20000' is applied to PoE ports on subordinate switches within a data stack, the 2x power mode bit on the PoE controller is actually disabled.

Conditions:
This is seen on a data stack of 3750X switches running 15.X code.

After the CLI command 'set power inline port maximum 20000' is entered on a port, if the 2x mode is then unset and set again through the 'set power inline port 2x-mode' CLI, the port will initially power up in 2x mode. However, any power removal condition (plug/unplug, shut/no-shut) will result in clearing the 2x mode bit in the PoE controller.

Workaround:
The ports appear to behave properly when the ?set power inline port maximum 20000? command is not set for a given port.

Further Problem Description:
This command does not impact the master switch in the same manner as subordinate switches.

Last Modified:
08-AUG-2015
Known Affected Releases:
15.0(2)SE5
Known Fixed Releases: *
12.1(22)EA14, 12.2(31)SB16, 12.2(31)SB17, 12.2(31)SGA11, 12.2(33)CX, 12.2(33)MRA, 12.2(33)SB14, 12.2(33)SB15, 12.2(33)SB16, 12.2(33)SB17
Alert Type:
Updated *
Bug Id:
CSCui62464
Title:
Sync local MAC address in SAP session with ISSU
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
After switchover, CTS triggers the SAP Rekey. The New Master has different MAC address so rekey fails.
Therefore to maintain the SAP Session after switchover. CTS needs to sync the MAC address.

Conditions:
Sync the SAP Session MAC address to the member. To maintain SAP Session after switchover rekey.

Workaround:
Shut / no shut the interface after switchover.

Further Problem Description:

Last Modified:
03-AUG-2015
Known Affected Releases:
15.0(2.0.44)SE1, 15.0(2.1.1)SE1
Known Fixed Releases: *
15.2(1.24)PSR, 15.2(2)E, 15.2(2.2.70)ST, 15.2(2b)E, 15.2(4.0)ST, 15.2(5.0)ST, 15.4(1.14.11)PIH24, 15.4(1.16)S, 15.4(1.17)T, 15.4(2)CG
Alert Type:
Updated *
Bug Id:
CSCue07405
Title:
3750X stack member diag TestPortAsicRingLoopback fail randomly
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
1. When manually executing on-demand diagnostic tests for a stack member with "diagnostic start switch X test all", TestPortAsicRingLoopback fails randomly.
2. The POST test at bootup is successful.
3. No operational impact is observed.
4. When executing tests for a stack master it reloads, master changes and no failed tests are present.
5. Another problem seen here - TestPortAsicCam failure, is already fixed by CSCuc95754

Conditions:
1. Manually executing diagnostic tests for a member switch.
2. Reported to be more likely to be seen in a mixed stack (24 ports and 48 ports) and in non-POE (24T, 48T) switches

Workaround:
1. Execute TestPortAsicRingLoop test alone (diagnostic start switch <> test 4). This doesn't fail at all.
2. Execute the tests (diagnostic start switch <> test all) after isolating the switch (DUT) from rest of the stack.

More Info:

Last Modified:
14-AUG-2015
Known Affected Releases:
15.0(2.0.0)
Known Fixed Releases: *
12.2(55)SE8, 12.2(55)SE9, 15.0(2)SE5, 15.0(2)SE6, 15.2(1)E, 15.2(1)E1, 15.2(1)E2, 15.2(1)E3, 15.2(1)EX0.87, 15.2(1)EY
Alert Type:
Updated *
Bug Id:
CSCuj31600
Title: *
Call Home causes stack member crash
Status:
Fixed
Severity:
3 Moderate
Description:

Symptom:
A Cisco 3750x may reload when adding a C3KX-SM-10G

Conditions:
Call-home needs to be enabled

Workaround:
Possibly disable call-home

Further Problem Description:

Last Modified:
20-AUG-2015
Known Affected Releases:
15.0(2)SE2
Known Fixed Releases:
15.0(2)SE8, 15.2(3)E2, 15.2(4.0)ST, 15.2(4.0.64a)E, 15.2(5.0)ST, 3.7(2)E
Alert Type:
Updated *
Bug Id:
CSCti63427
Title:
Standalone stack-power mode does not show up in running-config
Status:
Fixed
Severity:
4 Minor
Description:

When you configure a 3750X or 3560X switch into standalone stackpower mode it does not show up in the running configuration. This places the stackpower ports in administrative shutdown mode and requires you to go enter no standalone under the stackpower configuration to re-enable them.

Last Modified:
14-AUG-2015
Known Affected Releases:
12.2(55)SE
Known Fixed Releases: *
15.0(2)EJ, 15.0(2)EJ1, 15.0(2)EX, 15.0(2)EX1, 15.0(2)EX3, 15.0(2)EX4, 15.0(2)EX5, 15.0(2)EZ, 15.0(2)SE1, 15.0(2)SE2
Alert Type:
Updated *
Bug Id:
CSCui21029
Title:
3750X Stack no standalone stays in running configureation as standalone
Status:
Fixed
Severity:
5 Cosmetic
Description:

Symptom:
When you are configuring a 3750x stack and initially putting it into a stack ring topology by configuring the following.

Switch(config)#stack-power switch 1
Switch(config-switch-stackpower)#sta
Switch(config-switch-stackpower)#no stan
Switch(config-switch-stackpower)#no standalone

You will see that in the running configuration it shows up as standalone mode

stack-power switch 1
switch mode: standalone
stack-power switch 2
switch mode: standalone

Conditions:
3750X stacks with any license level

Workaround:
none

Further Problem Description:

Last Modified:
15-AUG-2015
Known Affected Releases:
15.0(2)SE2
Known Fixed Releases: *
15.0(2)SE7, 15.2(3)E, 15.2(4.0)ST, 15.2(4.0.64a)E, 3.7(0)E
Alert Type:
Updated *
Bug Id:
CSCuj36203
Title:
3750X: Log messages to report misconfiguration with Redirect ACL
Status:
Fixed
Severity:
6 Enhancement
Description:

Symptom:
Catalyst 3750X CPU utilization may intermittently spikes due to EPM MAIN PROCESS, when the redirect ACL has an Access-list Entry (ACE) with source part not "any".

Under this condition, programming the dACL into the hardware fails and dACL is downloaded again to re-program.

3750X#show process cpu sorted
CPU utilization for five seconds: 97%/2%; one minute: 96%; five minutes: 94%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process

311 3168483 177598 17840 27.43% 8.75% 7.95% 0 EPM MAIN PROCESS


Conditions:
Seen in Catalyst 3750X running 15.0(2)SE4 release.

Workaround:
Remove the ACE with wrong configurations.

This bug is an enhancement request to generate a log message (which will be rate-limited) to indicate misconfiguration(s).

Further Problem Description:

Last Modified:
03-AUG-2015
Known Affected Releases:
15.0(2)SE4
Known Fixed Releases: *
15.1(1)ICB40.1, 15.2(1.24)PSR, 15.2(2.2.70)ST, 15.2(4.0)ST, 15.2(5.0)ST, 15.5(0.17)S, 16.1(0.14)

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