Cisco Switching/Routing :: Meaning Of Crash Log Cat6500

Jan 1, 2012

What this crash means?  This is a 6509 with a single Sup720 Cisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXI, RELEASE SOFTWARE (fc2)System returned to ROM by s/w reset at 04:42:07 PST8PDT Mon Jan 2 2012 (SP by bus error at PC 0x40C6681C, address 0x424B).

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Cisco Switching/Routing :: 2950 - Meaning Of I6q412

Dec 9, 2011

c2950-i6q4l2-mz.121-22.EA10a.bin is the image name of the 2950 switch i have in my office. what is the meaning of " i6q4l2 "? I saw some IOS like IP base, adv-security. but i didn't see anything like this before.

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Cisco Switching/Routing :: 6506E Switch Command Meaning

Feb 5, 2012

I see the command "vlan access-log ratelimit 2000" and wonder what it is that it does.

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Cisco Switching/Routing :: 3750E-1 Meaning Of Backup On HSRP Statas

Oct 25, 2011

What is meaning backup on HSRP statas?There are 5 vlans.The other four vlans aren't backup status.Only one of five vlans display messeages. When I reload Catalyst3750E-1,debug log. [code]

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Cisco Switching/Routing :: 3750 V2 / Fully Redundant Switches Meaning?

Jun 2, 2013

let me know the exact meaning of attach ( yellow marked one)? the contractor was saying "it doesn't mean two switches as there is a built in redundancy in Cisco switch)"I don't think he is correct as I never heard about built in redundancy in Cisco Router/switchAny comment as this will affect the numbers from 55 (3750 v2) to 110....

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Cisco Switching/Routing :: How To Clear Vty Line On Cat6500

Jun 19, 2012

how to clear vty line?  Please see below. A sh tcp <line number> shows that the TCB is waiting for TCP Process.  The TCP processs TCB is waiting for is SSH.  I believe because of this ssh process still running, the vty line cannot be cleared. 
sh users
   Line       User       Host(s)             Idle       Location
   1 vty 0     pf                                   9w1d
   2 vty 1     pf                                35w0d
   3 vty 2     pf                                 1y14w


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Cisco Switching/Routing :: Upgrading IOS On Cat6500 Using ISSU

Jun 4, 2012

I am planning to upgrade my cat6500 using ISSU but can not find my doc to follow yet.

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Cisco Switching/Routing :: Cat6500 SUP-2T Service Module

Apr 12, 2012

Using the new SUP-2T, need to clarify one query. If we are using the new SUP-2T in VSS mode, will the new ASA service module and NAM-3 are supported?  From Cisco site, ASA module FAQ:
Q. Will the ASA Services Module support the Cisco Catalyst Virtual Switching System (VSS) at FCS?

A. Yes, depending on which supervisor you use. The ASA Services Module supports VSS either as a single firewall or as a failover pair of firewalls, when used with the Supervisor 720-10G (VS-S720-10G-3C and VS-S720-10G-3CXL). Transparent and multi- context modes also work with the VSS in this configuration. However, though the SUP 720-3B (WS-SUP720-3B and WS-SUP720-3BXL) is supported by the ASA Services Module, it is not capable of supporting the VSS. No reference to Supervisor-2T.

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Cisco Switching/Routing :: MAC Without Port Number Cat6500

Oct 30, 2012

We have IP device on the farm switch(cat6500, which is an access layer siwtch), with the gateway on the core switches (Nexus7000), on the core when I do show ip arp, I found the mac.But when I do sh mac add add of that mac there is no port attached to that mac.
Since that particular vlan only resides on the cat 6500 and two cores, so I logged in to the 6500, and when I show mac- in that vlan, I didn’t find that mac addresss. Instead, I found another mac address with last 8bit are the same of that mac.
Is it some kind VIP of the mac? How so, if no port, how can the switch forward the frame? [code]

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Cisco Switching/Routing :: Check IOS Version On A Standby Sup On Cat6500?

Jan 11, 2012

I wonder whethere it is possible to check the the IOS version on the standby sup720 of a 6500? if yes, what command would you use?

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Cisco Switching/Routing :: How Many Span / Rspan Can Configure In Cat6500

Mar 16, 2011

i will be creating combination of SPAN and RSPAN on catalyst 6506 according to the link
im planning to implement this on two 6506 switches will this work? or do i violate the number of monitor session? sorce span?
monitor session 1 source interface Fa5/18monitor session 1 destination interface Fa5/48
monitor session 2 source interface Fa6/34monitor session 2 destination interface


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Cisco Switching/Routing :: Ambiguous Error Message On Cat6500 VSS

Nov 15, 2012

I get a unclear log entry in a VSS system.

Me_Kr #1        ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1        ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1        ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001
Me_Kr #1        ME_KR_ERROR_CNT_LTL_PARITY_ERR_ITRP_0_0[01C8] : INTR= 0001 MASK= 0001


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Cisco Switching/Routing :: IGMP And QoS On CAT6500 Platform With SUP720 Engine

Mar 27, 2013

I am having problems with IGMP and QoS on CAT6500 platform with SUP720 engine.The problem is, it seems that all IGMP packets are getting marked with DSCP 48 when sent out of the switch regardless of any input service policy. I found several articles saying that PFC QoS does not apply to IGMP packets. However in IOS 15 that should be possible, but I didn't get it to work there either. [code]

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Cisco Switching/Routing :: Cat6500 - Crypto Key Generate RSA Command Missing

Feb 10, 2013

I recently rebuilt the configuration of our Cat6500 multilayer device for use as a user stack. The device is funtioning as it should be, but I am unable to set SSH using the 'crypto key generate rsa' command. The crytop command isn't avaiable at all, which suggests a firmware issue.
I have configured a hostname and Ip domain-name and the image is the only one available.
The show version output is listed below.
show verCisco Internetwork Operating System SoftwareIOS (tm) s72033_rp Software (s72033_rp-IPSERVICES_WAN-VM), Version 12.2(18)SXF12, RELEASE SOFTWARE (fc2)Technical Support: [URL] Copyright (c) 1986-2007


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Cisco Switching/Routing :: Cat6500 / IPTV Multicast Network Devices High CPU Utilization?

Jan 30, 2013

i have a campus network with 2 core Cat6500 and multiple 4500 series distribution switches plus 2960 series access switches,we have deployed IPTV system in the network but currently 50 TVs are working through sattelite stream from streaming server Cisco's DCM 9900.we are planning to add more  300 TVs in the network and i am wondering that when all of them will be deployed then what will happen for switches cpu utilizations when all the Tvs will be running on the same time with different different channels.

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Cisco Switching/Routing :: CAT6500 / Duplicate Multicast Packets On A Span Session Port?

Apr 17, 2013

If I monitor a trunkport on the rootbridge in both directions  I get Duplicate Multicast Packets on the perticular VLAN.   The first guess is, that this is worked as designed and not a IOS Bug (Platform CAT6500 SUP720 IOS 12.2(33)SXI9 ) Until know I only found an old Cisco press link from 2002 with this subject.

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Cisco Switching/Routing :: C2960S - 12.2(58)SE Crash On SSH

Apr 13, 2011

I just upgraded several of my C2960S-48FPD-L from 12.2(55)SE to 12.2(58)SE and now almost every time I try to SSH to it the switch reboots and gives me these trace backs ... 
07:58:52 CST Thu Apr 14 2011: Unexpected exception to CPU vector 200, PC = 1EADA28
-Trace back= 0x1EADA28z 0x1CDC324z 0x1EA5520z 0x1CDC35Cz 0x1CDD0E0z 0x1CDF0C4z 0x1CE06CCz 0x1CE07F8z 0x1D67348z 0x1D611BCz
Writing crash info to flash:/crashinfo_ext/crashinfo_ext_3
07:58:56 CST Thu Apr 14 2011: Unexpected exception to CPU vector 1100, PC = 121BB98
-Trace back= 0x121BB98z 0x12250FCz 0xFA7540z 0xA807B8z 0xA75DF4z 0xA78080z 0x94B708z 0x9717C0z 0x918DD8z 0x936520z 0x9344BCz 0x9345FCz 0x93484Cz 0x1D67348z 0x1D611BCz

=== Flushing messages (07:58:56 CST Thu Apr 14 2011) ===

Buffered messages: (last 4096 bytes only)
0x00000005  R6 = 0x01224F44  R7 = 0x02A23C6C
000089: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R8 = 0x00000080  R9 = 0x00000000  R10 = 0x00000000  R11 = 0x00000071
000090: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R12 = 0x00034855  R13 = 0x00000280  R14 = 0x01CE0778  R15 = 0x00000000
000091: *Feb 28 18:03:13.577 CST: %PLATFORM-1-CRASHED: R16 = 0x00000000  R17 = 0x00000000  R18 = 0x00000000  R19 = 0x00000000
[ code]....

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Cisco Switching/Routing :: ME3400 Crash Unexpectedly?

Mar 13, 2012

Our ME3400 crashed unexpectedly and got the below errors:
meQCY0290A#sh ver
Cisco IOS Software, ME340x Software (ME340x-METROACCESSK9-M), Version 12.2(55)SE, RELEASE SOFTWARE (fc2)


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Cisco Switching/Routing :: 3560X Crash And Reboot On IOS 15.0(2)SE

Jan 24, 2013

I have 3560X-24T-S switches with IP Services loaded at remote sites that I have been having troubles with.  Originally, they had IOS 12.2(58)SE1 on them.  I have up to four diverse paths via point-to-point microwave at the remote sites.  The Microwave equipment is by Microwave Networks and is a Prodeus M series which Ethernet support.  The original issue manifested itself as hardware loopback errors on some of the ports that were connected to the microwave links.  
My experience in the past has been that when a hardware loopback error occurred it is usually a bad switch port.  In this case however, if I disconnected all of the microwave Ethernet links and rebooted the switch and then connected the Ethernet connections to the microwave links again, everything works fine.  No hardware loopback errors.  That is, until the next switch reboot.  Then the hardware loopback error would return.  Interestingly, it would come back on different ports connected to the microwave links every time.  So if a reboot was done without disconnecting the microwave Ethernet links the hardware loopback error would change from one microwave link to another after each reboot.
I then went through and read the lengthy release notes for IOS version 15.0(2)SE and found several fixes that I thought could fix my issue.  So I downloaded it and updated a couple of the offending switches (not all of them were having this problem).  After going through the second update required to resolve the 'open file error' that happens going between 12.2(58)SE1 and 15.0(2)SE the problem seemed to be resolved on the offending switches.  So, I went ahead and updated the IOS on all of the switches with point-to-point microwave connections.
I now have one switch that was updated that is crashing and rebooting continuously when the Ethernet links for the point-to-point microwave are connected.  Again, if I disconnect all the microwave links and reboot, it comes up fine ands stays fine when the microwave links are connected back up.  It will work fine until the next reboot and then the crash and reboot loop starts over again.  Below is a portion of the putty log when the crash occurs:
previous memory block, bp = 0x59BF838,
memorypool type is Processor
data check, ptr = 0x59BF860
========= Dump bp = 0x59BF87C ======================
  59BF77C:        0        0        0 FD0110DF AB1234CD FFFE0000       56  383FDB4
59BF79C:  212AC68  59BF838  59BF6F4 80000042        1        0  A504F53 543A2050
59BF7BC: 6F727441 53494320 506F7274 204C6F6F 70626163 6B205465 73747320 3A20456E


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Cisco Switching/Routing :: 3750 Stack Crash

Oct 22, 2012

We had an "Event" on our process network at the mill yesterday.  I connected a new WS-C3560V2-48TS-S to our network and we lost communications with all of the other switches.
The core is a stack of 3 WS-C3750 switches, one is a -24TS-1U and the other two are -12S-S.  These connect to 10 WS-C3560G-24TS and 5 Rockwell Stratix 8000 (IE3000) over fiber.  I am planning on replaceing two 24 port switches with the new 48 port.  I had the switch configured and running at my work bench.  It was connected to the network with one sfp module and ran all weekend with no issues.  Yesterday afternoon I took it to the network cabinet and installed it.  I powered it up and connected two sfp modules to the fiber patch panel and made the connection at the core stack. 
Everything looked OK.  I had communication link lights working on everything.  Within minutes, we lost communication with every switch connected to the core stack.  I shut down the new 48 port switch and the network slowly came back up.
The new 48 port is configured with Flex Links for the fiber redundancy protocol and was connected to each of the 3750G-12S-S stack members.
I though it might have been a power issue but the stack is UPS protected and shows it has been up for over 10 weeks.  I'm not even sure "Crash" is the best decription for what happened.  The new switch has a high enough IP address that it would not take over as a IGMP Querier.

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Cisco Switching/Routing :: 2821 Software Forced Crash

May 14, 2012

I have a cisco 2821 router in rommon and displaying the message '' softwre forced crash '' and '' checksum error'' .I tried to do rommon tftpdnld but as the image is self decompressing into the ram it again crashes with the same error although i have done it with various valid ios but in vain.

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Cisco Switching/Routing :: Pm Scp Process 100% And Switch 6500-E Crash?

Oct 24, 2012

The switch 6500-E is frequently crashing whenever the pm scp process reach 100% .I got it under the  command "remote command switch show proce cpu".How to solve the problem. I opened the TAC and the engineer says to upgrade the image12.2(18) sxf.Is there any other work around that would avoid to reimage the switch and reloading.

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Cisco Switching/Routing :: System Crash 2611 And 3640

Apr 8, 2013

I got some unexpected System crash, and this happens to 2 different routers on the same network.. (We suffer a Crash and change the router, happens the same to the new router after some time, maybe 40 minutes!!)
Here is the last console report for the new router....
%Software-forced reload
Preparing to dump core...
4w1d: %SYS-2-WATCHDOG: Process aborted on watchdog timeout, process = IP NAT Age


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Cisco Switching/Routing :: 3750x Master Switch Crash?

Jun 13, 2012

About an hour ago I had the master switch on one of my 3750x (WS-C3750X-48PF-S) stacks crash. The only two items we've found that could have caused this issue are the roughly 1.3 million big buffer misses and several of the following in the syslog
SLT:WARN:No exporter configured for smartlog! I do not have smartlogging turned on, nor is there a netflow exporter configured
sh logging smartlogsmartlog is disabledsmartlog exporter:smartlog pkt length: 64 Total pkts processed: 0Total DHCP Snooping pkts processed: 0Total DAI pkts processed: 0Total IPSG pkts processed: 0Total ACL pkts processed: 0
I did not see any traffic spikes prior to the crash.
This stack has been stable since it's last IOS upgrade from 12.2(58)SE1 to 12.2(58)SE2 back in October 2011 so this has me a little worried.

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Cisco Switching/Routing :: 6500 - Reboot With Crash Info

Oct 25, 2012

Our 6500 was reboot by self with crash info and i found it was happened by CPU HOG. The log is below for CPU HOG and you can see many times from attached crash info file.
%SYS-SP-3-CPUHOG: Task is running for (16000)m secs, more than (2000)m secs (15/12),process = RPC pagp_switch_mp2sp.
I think this process made high CPU & memory issue and then there were internal communication fail.. isn't it? So i need to know what PRC pagp_switch_mp2sp is to prevent next issue.

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Cisco Switching/Routing :: 3750E Debug Causes Switch To Crash And Reload

May 3, 2013

I am not able to find the exact bug for Cisco 3750E stack - Debug Exception (Could be NULL pointer dereference) Exception (0x2000) error. Closest i can find is CSCsa72400 which only affects ver 12.2(20)SE4.All the stacks (3 switches) are running 12.2(50)SE3, It appears that the switch 1 crashed and reloaded. My hunch is its software but i cant find any related bugs. It could be hardware issue as well ?

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Cisco Switching/Routing :: 6509 Crash When Upgrading Supervisor Card

Nov 23, 2011

Problem I have encountered when upgrading a Cisco 6509 chassis with a new supervisor card from Sup2 to Sup 720b. The 6509 loads and then crashes completely, and when rebooted reloads into rommon.The same upgrade was performed on a similar switch with no apparent problems.

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Cisco Switching/Routing :: 1760 Crash Info Not Recovers At Flash

Aug 10, 2012

Got a problem with my 1760 router. Bought it from ebay and booted it on today and got this error,It has 180224K/16384K bytes of memory and 2 paritions of 32768K flash.I erased both partitions and put a different version of the IOS on (still 12.4) and there is no difference, still get the errors.These aren't on any of my other 1760 routers so I assume they are linked to the problem.

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Cisco Switching/Routing :: Catalyst 6500 - Crash Due To Pid 234 - Process ACE HAPI

Jun 29, 2012

I want to know what is this process used for on a catalyst 6500 ? we have got following message in the crash file, probably due to CSCsv77354
Jun 30 16:06:47.099 UAE: %SYS-6-STACKLOW: Stack for process ACE HAPI running low, 0/6000

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Cisco Switching/Routing :: 3550 Switch - Software Forced Crash Exception

Feb 7, 2013

Our switch had a little crash-fest this morning at 2:30 AM. I did find a web page about diagnosing Software Forced Crash Exceptions, but it did not look like ours was one of the more easily-identifiable ones.
It may be worth noting that we've only used this switch for about a month, everything seemed fine until now. When we got the switch it did not have any GigE modules, and this week we put 2 into it and have been using them for 2 servers.
It looks like the switch was crashing repeatedly over a period of 20 minutes, and then it stopped and normalized. In the logs of the router that this switch uplinks into, we could see the ethernet port flapping during the time that the switch wasn't reachable.
Here's the Show Stack on the switch:
Sfld_3550#    show stackMinimum process stacks:Free/Size   Name4404/6000   vegas_flash init3352/6000   SaveCrashBuffer5716/6000   CDP BLOB8512/9000   IP Background5596/6000   vqpc_shim_create_addr_tbl5584/6000   SPAN Subsystem5552/6000   SASL MAIN4944/6000   vegas IPC process8704/9000   cdp init process5404/6000   RADIUS INITCONFIG4928/6000   Vegas CrashBuffer5664/6000   URPF stats2536/3000   Rom Random Update


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Cisco Switching/Routing :: WS-C3560X-24 Reboots - No Crash File And Clean Logging After Reboot

Apr 24, 2013

I have a WS-C3560X-24 and attached to that are some 9 acces switches, for some weeks now my 3560 reboots some time what couse that the other 9 switches are down for some minuts as well and i dont want this of course. the reboot happens at random times and some times one week not and then like yesterday afternoon it rebooted again.
when i check the Flash directory there is no crash file and when i look at the logging its clean and just shows the startup. it's not the powersuply it's redundend and more L3 switches are attached to this power source and they dont reboot.
L3_AIM#sh versionCisco IOS Software, C3560E Software (C3560E-UNIVERSALK9-M), Version 12.2(55)SE3, RELEASE SOFTWARE (fc1)Technical Support: [URL] Copyright (c) 1986-2011 by Cisco Systems,


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Cisco Switching/Routing :: 6509E / SUP720 (Standby Hot) - Console Port Indicate Software Crash

Oct 28, 2012

I have one Catalyst 6509E chassis and two SUP720. The bootup sequence  on SUP 720 (standby hot) failed . Messages that appear on SUP 720, on the console port indicate o software crash.  I don't have a flash card in SUP720. 
This is the bootup process:
System Bootstrap, Version 8.5(3)
Copyright (c) 1994-2008 by cisco Systems, Inc.
Cat6k-Sup720/SP processor with 1048576 Kbytes of main memory


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Cisco Wireless :: / WiSM Crash With No Crash Log

Feb 21, 2012

I have many WiSM WLC's running One WLC was rebooted few days ago but there was no crash file and nothing in logs say why this issue happened.There was a power problem at the same time the WLC rebooted (some switches and PE's was rebooted as well) but if it is a power issue why only one WLC inside the WiSM rebooted and the other WLC is still working fine with no reboot?I have 5 WiSM modules connected to the same 6500 box, only one WLC was rebooted which indicates a crash but no crash file registered for it.Is there anyway I can find the reason why that WLC was rebooted?

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