Cisco Switching/Routing :: Software-forced Reload On 7606?

Jun 3, 2012

Our router suddenly reloaded. Below are the crashinfo obtained:
1st crashinfo:
7606_Router#more sup-bootflash:crashinfo_20120604-02260500:00:05: %PFREDUN-6-ACTIVE: Initializing as ACTIVE processor
00:00:05: %SYS-3-LOGGER_FLUSHING: System pausing to ensure console debugging output.
00:00:05: %PFREDUN-6-ACTIVE: Initializing as ACTIVE processor
00:00:05: %SYS-3-LOGGER_FLUSHED: System was paused for 00:00:00 to ensure console debugging output.

We are running s72033-advipservicesk9_wan-mz.122-18.SXF9

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Forced To Reload Web-pages To Make Them Display

Nov 28, 2012

I have searched and searched the web, contacted my ISP, and my router manufacturer and have not come up with a solution to this problem. Plain and Simple, quite often when I am trying to load any webpage, I have to press the refresh button to display the page (sometimes more than once). i live in Phnom Penh, Cambodia (from the U.S.)and just recently got internet service from an ISP named "Digi." This ISP uses PPPoE, which for some reason was a problem with my Apple Airport Express (worked well a few days, then the internet stopped working from DNS errors). I bought a new wireless router directly from Digi, which is a TP-Link (model TL-WR841N). Upon hooking up the router to the modem, the internet worked, but this new problem started forming, needing to reload pages several times. Side note: my internet speed is 3mbps so it's not an issue of speed.

What I have tried: First, I tried several websites to see if it occurred on more than a couple it does. Second, I tried different browsers and different devices. The problem persisted on Safari, Chrome, and Firefox on my Macbook Pro. I deleted cookies and chaches to no avail. I have never installed extensions and have them disabled anyway. This problem also occurs on my iPad and iPhones. I then thought it may be my new router, but upon connecting my Macbook Pro directly to the modem, the problem, yet again, still persisted. I have rebooted the modem with still no change. I contacted my ISP, who said that on their end, everything seemed to work fine. Upon searching the internet, all I've found is suggestions to change my browser (check); delete cookies, caches, and disable extensions (check); or change my DNS servers address to public oneslike,, or check). Still, these solutions have given me no luck, and it is still frustrating to have to reload webpages, especially when it's a login page.

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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 :: 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 :: Inbound Traffic On 7606?

Jan 17, 2013

I have two Cisco 7606 routers using BGP to connect our customers to the internet.  Recently we added a new 1G circuit in addition to an existing 1G circuit and all traffic inbound is now on this new 1G circuit.  We would like to shift some of the inbound traffic over to the other 7606.  Our Tier provider has the same AS number for both paths.  One path goes directly to New York and the other goes to Boston then New York. 

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Cisco Switching/Routing :: Etherchannel Between 6509 And 7606 Not Exceeding

Jun 2, 2013

I have made an etherchannel between 6509 and 7606 with two giga interfaces on eatch one to have more bandwidth (2Go), but the Etherchannel does not exceed 1 GB (Below is a capture for Etherchannel taken from Solarwinds).the both 6506 and 7606 use ws sup 720 3bxl

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Cisco Switching/Routing :: 7606 / Limit Interface That Is Used By One Of Customers To 30M

May 15, 2012

I have a Cisco 7606 running 12.2.  I want to limit the interface that is used by one of our customers to 30M.

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Cisco Switching/Routing :: Getting Module WS-X6748-GE-TX PWRDown On 7606?

Jan 28, 2013

its a hardware problem or just not get power to module 1 for module WS-X6748-GE-TX? this is the capture from show module and sh log :
------------------ show module ------------------
Mod Ports Card Type                              Model              Serial No.
--- ----- -------------------------------------- ------------------ -----------
  1   48  CEF720 48 port 10/100/1000mb Ethernet  WS-X6748-GE-TX     xxx
  5    2  Route Switch Processor 720 (Active)    RSP720-3CXL-GE     xxx
Mod MAC addresses                       Hw    Fw           Sw           Status


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Cisco Switching/Routing :: 7606 / Netflow TCAM Threshold Exceeded

Nov 6, 2011

following errors.
Nov  7 21:34:50: %EARL_NETFLOW-SP-STDBY-4-TCAM_THRLD: Netflow TCAM threshold exceeded, TCAM Utilization [99%]
Nov  7 21:44:44: %EARL_NETFLOW-SP-4-TCAM_THRLD: Netflow TCAM threshold exceeded, TCAM Utilization [91%]
I've already found this kinds of cases, in this community. So, It seems that Changing the current configuration to 'mls aging fast threshold ## time ## ' is most suitable in our situation.But, I don't know how to calculate the apt threshold value and time value.
[1] sh run | in mls
mls ip multicast flow-stat-timer 9
mls flow ip interface-full
no mls flow ipv6
no mls acl tcam share-global
mls cef error action freeze


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Cisco Switching/Routing :: System Returned To ROM By Reset SP Error Of 7606-S

Jan 15, 2012

I have my router 7606-S rebooted by itself. According to output of show version command it's rebooted by software bug.

================ Snipped from crashinfo file =================
Jan 14 05:33:50.822 GMT+7: %C7600_MEM_ECC-2-MBE: Multiple bit error detected at 0xC09F4D38
Jan 14 05:33:50.822 GMT+7: %C7600_MEM_ECC-3-SYNDROME_MBE: 8-bit Syndrome for the detected Multi-bit error: 0x0
  05:33:50 GMT+7 Sat Jan 14 2012: Unexpected exception to CPU: vector 1500, PC = 0xB7922BC , LR = 0xB792250
==================== Show Version ======================
Cisco IOS Software, c7600rsp72043_rp Software (c7600rsp72043_rp-ADVENTERPRISEK9-M), Version 15.1(1)S1, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Thu 10-Feb-11 19:27 by prod_rel_team
ROM: System Bootstrap, Version 12.2(33r)SRD5, RELEASE SOFTWARE (fc1)
BOOTLDR: Cisco IOS Software, c7600rsp72043_rp Software (c7600rsp72043_rp-ADVENTERPRISEK9-M), Version 15.1(1)S1, RELEASE SOFTWARE (fc1)

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Cisco Switching/Routing :: 7606-S / RSP720 - Fails / None Of RSPs Booting

Feb 28, 2012

I have a cisco 7606-S with dual RSP720-3CXL. Devices reloaded and now none of the RSPs are booting.When I have tried to take the console using only one RSP, card going to rommon mode after that it hangs. I guess its firmware is corrupted.

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Cisco Switching/Routing :: 7606 Need To Install WS-X6748-GE-TX With WS-F6700-DFC3CXL

Nov 13, 2012

I have one Cisco 7606 and i need to install a WS-X6748-GE-TX with WS-F6700-DFC3CXL.When I install the WS-X6748-GE-TX the module is powered off with the following warning:
00:01:45: %C6KPWR-SP-4-UNSUPPORTED: unsupported module in slot 1, power not allowed: Unsupported baseboard/earl combination. [code]

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Cisco Switching/Routing :: 881 Loses NAT NVI Mappings After Reload?

Dec 12, 2012

I've just purchased a new Cisco 881.I'm using NAT NVI for my inbound static mappings. However, regardless of the fact that the config is saved to nvram, after a reload of the router, the NAT mappings are setup as traditional inside/outside mappings. This means that inbound connections in to the router on the required services fail, until someone logs on to the router and re-applies the NVI mappings.
Here's a sanitised version of my startup-config: 
! Last configuration change at 20:20:15 UTC Tue Dec 11 2012 by xxx
version 15.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption


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Cisco Switching/Routing :: Ssh Not Working On 4507 After Reload?

Nov 29, 2012

SSH has been enabled on our one and only 4507 switch for several months and working fine. A few weeks ago the switch had to be reloaded and when it was back online I couldn't SSH to it. When I connected via the console and typed "show ip ssh" it came back saying I needed to generate the keys.  Did that  and it starting working again.  The same switch had to turned off and on the other day due to a power down in the server room and when it came back the same thing happened again!!
The version of IOS is: cat4000-i5k91s-mz.122.20.EW

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Cisco Switching/Routing :: C3750 SFP Failure After Reload

Mar 11, 2013

I have a cable from an SFP module in a WS-C3750-48P with 12.2(55)SE1 running to a Gigabit port on a Cisco WLC. After the switch recovers from a power failure, the gigabit autonegotiation fails. The cure is a long drive to unplug and reseat the SFP. Note this happens at too many similar sites for this to be a loose connection. Interface shutdown then 'no shutdown' is not sufficient. The state is 'line protocol is down (not connected)'. Interface is configured for switchport mode trunk (auto speed, auto duplex). Command 'switchport nonegotiate' makes no difference. Is there a more powerful command than 'shutdown' which might toggle the interface signals? Is there some way of resetting the SFP? sh int gi 1/0/1 displays 'media type is 10/100/1000BaseTX SFP' and zero packets received.

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Cisco Switching/Routing :: C6509-E Do A Unexpected Reload

Feb 26, 2012

Last night, the C6509-E do a unexpected reload. In the crashinfo, I can see that the last error message before the reload, was as follows: %C6K_ PLATFORM-SP-2-PEER_RESET: SP is being reset by the RP
I consulted the cisco website about this error message and what I found was the following:C6K_PLATFORM-2.

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Cisco Switching/Routing :: 7606 Sup720 With MSCF / Upgrade To 122-33.SRE6 Fail?

Mar 25, 2012

I faced with problem while i was attemping to upgrade CISCO7606 (R7000) from 12.2(33)SRE1 to 12.2(33)SRE6.
rommon 2 > boot c7600s72033-advipservices-mz.122-33.SRE6.bin
Loading image, please wait ...  
Invalid device specified
Booting from default device  
Initializing ATA monitor library...
string is bootdisk:c7600s72033-advipservices-mz.122-33.SRE1.bin


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Cisco Switching/Routing :: Sup 720 MSFC3 (HOT) Reload In 6509 Chassis

Mar 9, 2013

We have a backup sup 720 which has a 2 gigabit ethernet though port channel, to another chassis. Suddenly UDLD detected an error and got into err disable, then this err disable didn't let the interface set to DOWN, and created a switch loop, then our Supervisor reloaded. I'd like to know what could have caused this reload. In my opinion could have a been the switch loop, but also I've been checking from the output interpreter the show tech and might have been a bug, the only one that could match in IOS version 12.2(33)SXH, is this one: url...
We're going to disable err-disable next time I guess and recover the link manually, apart from that what could have made the sup for crash and reload?

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Cisco Switching/Routing :: To Reload The Module 3 On The 6509 Switch

Jul 31, 2012

Suffered a big outage on the network, the fix was to reload the module 3 on the 6509 switch, we had these errors on the log %CONST_DIAG-SW1_SP-3-HM_PORT_TEST_FAIL: Switch 1 Module 3 TestUnusedPortLoopback Port(s)[24,46] failed. System operation the end, we reloaded the card and it was all ok. is there anything I can do to check the card / or any deeper logs? would that error cause the card to crash?

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Cisco Switching/Routing :: 3750x Switch Reload Automatically

Dec 15, 2012

while i am configuring a port on switch .The switch reloads.After reload the show version says
System returned to ROM by bus error at PC 0x458F6C, address 0x0
show version from the effected switch is
Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(58)SE2, RELEASE SOFTWARE (fc1)
Technical Support: [URL]


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Cisco Switching/Routing :: 881 Vlan Administratively Down After Each Reload Or Power Down

Feb 19, 2013

I have a problem with the Cisco 881 router at one of our customers.It seems that after a "no shutdown" has been given on the Vlan interface, it still goes back to "administratevly down" after a reboot.So when I restart the router I always have to manually "no shutdown" the Vlan interface to come back up.While rebooting the router it also gives the following info in the console screen every time which is strange:
new interface Vlan1 placed in "shutdown" state.We tried several different firmware releases.
Replacing the router with a new Cisco 881 router did not work either. After they sent back the old Cisco 881 router we tested it here and there were no problems, we weren't able to replicate the problem.The configuration we use for the router is correct, we use it for hundreds of customers, so that can't be it either.The customer uses a fortinet firewall behind the router. Could it be that something inside the LAN of the customer that triggers the Vlan to shut down?

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Cisco Switching/Routing :: Catalyst 4500 - Reload In Progress

Oct 13, 2009

I have a Catalyst 4500 WS-C4506 and S-X4516-10GE Supervisor running under IOS 12.2(52)SG IP BASE SSH. After having installed IOS 12,2(53)SG i wanted to schedule a reload. After entering the reload at command I get the message %Reload in Progress and nothing happens.

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Cisco Switching/Routing :: 3560 - UDLD After Switch Reload

Sep 12, 2010

I have the following problem with

- 2x 3750G-12S Distribution-Switches (DS) and several 3560/2960 Access-Switches (AS)
- redundant Fiber optic uplinks between AS and DS
- Cross-Stack Etherchannel config on all uplinks
- UDLD aggressive mode configured on all uplinks
- when I reload the DS and the switch comes up again, I've lost the connection with several (not all) AS
- looking at the AS log I found the following error message: "%UDLD-4-UDLD_PORT_DISABLED: UDLD disabled interface Gi0/1, aggressive mode failure detected"
- in the log of the AS I don't see intf Gi0/1 go down during the reload of the DS
- this means the DS didn't shuts down all its ports during the reload
- but this also means that UDLD on AS didn't know about DS reload, and therefore didn't resets counters
- I'm now configuring errdisable recovery on all AS
So I'm forced to configure errdisable recovery, even if I don't want.

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Cisco Switching/Routing :: 2960 / 3560 - OID For Reload Via SNMP?

Jul 10, 2012

I would like to test the possibility to reload devices via SNMP for new switches like 2960, 3560 and so on.I know that the command "snmp-server system-shutdown" has to be configured, then I need to send the set query to the device via SNMP.
I have found on the net the OID but it belongs to an old MIB and doesn't seem to work with new switch models.

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Cisco Switching/Routing :: Monitor Session Local SPAN Small Output With 7606

Aug 22, 2012

I am having difficulties with getting SPAN traffic over my WS-X6704-10GE (CFC).
ios 12.2(33)SRE6, SUP720-3BXL
Trying to use the span feature, put the commands listed below in and they entered successfully, but the port is not being mirrored.
interface TenGigabitEthernet1/1
description PUBLIC
mtu 9216
ip address x.x.x.x x.x.x.x

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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 :: 3750 / Reload Member Switch In Stack?

Apr 5, 2012

I have just upgraded 2 3750 switches in a stack via the master and reloaded the master switch remotely, how can I reload the 2nd (member) switch?

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Cisco Switching/Routing :: How To Get 3560 Switch To Run From New Config File On Reload

Nov 7, 2011

I uploaded a new config file via TFTP to a 3560 switch.  What are the order of commands to get it to boot from this new config file instead of the file listed in 'sh boot': [code]

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Cisco Switching/Routing :: 4506E After Reload Switch / Found That Clock Is Getting Reset

Apr 22, 2012

I have one 4506E switch working in Lan setup as a core switch with WS-X45-SUP6L-E running ipbase IOS 12.2(54)SG1. Each time after reload the switch we found that the clock is getting reset ( time is getting changed ) where as day, date & year is unchanged.

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Cisco Switching/Routing :: WS-C3750X-48P Access Switch Not Reachable And After Reload Started Working

Sep 15, 2012

I had a strange issue with one of my customer..Cisco  WS-C3750X-48P Access switch was not reachable and after reload it started working.I would like to know the root cause of the issue. There were no logs and no errors in interfaces.Even Cpu utilization was not high. We have enabled arp inspection and dhcp snooping in the switch..Hope this will not make any issue..Also we have dot1x enabled on port..

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Cisco Switching/Routing :: 7606-S / SAMI Module WS-SVC-SAMI-BB-K9 Led Is Indicate Red

Jun 25, 2012

I have Cisco router 7606-S. On Sami module led is indicate red. i also test it  to other slot,reload the chassis but the problem is same.  The module status is unnkown.

(Indicates red  one of the following conditions:

• The SAMI is released from reset by the supervisor engine and is booting.

• The boot code failed to run.)

 pdsn1#sh mod

Mod Ports Card Type Model Serial No.
--- ----- -------------------------------------- ------------------ -----------
2 48 CEF720 48 port 10/100/1000mb Ethernet WS-X6748-GE-TX SAL14480S9Q
5 2 Route Switch Processor 720 (Active) RSP720-3C-GE SAL1538QE8N
6 2 Route Switch Processor 720 (Hot) RSP720-3C-GE SAL1538QHZB

[code].... this a hardware problem of sami module?

2. is this a boot problem of sami module? is this image problem of modules(supervisor or sami module)?
how i do diagnostics this module?

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Cisco WAN :: WS6509-E / Software Forced Crash - PC 0x402D3920

Oct 13, 2011

I have a  WS6509-E which is running on below IOS had a software reset yesterday, however I am not able to identify the exact reason for this to happen.
1 day, 2 hours, 39 minutes
Time since xxxxx switched to active is 1 day, 2 hours, 38 minutes
System returned to ROM by error - a Software forced crash, PC 0x402D3920 at 13:14:51 AEDST Thu Oct 13 2011 (SP by power-on)
System restarted at 13:27:28 AEDST Thu Oct 13 2011
System image file is "sup-bootflash:s72033-jk9s-mz.122-18.SXD7b.bin"
1 day, 2 hours, 39 minutes

Time since xxxxx switched to active is 1 day, 2 hours, 38 minutesSystem returned to ROM by error - a Software forced crash, PC 0x402D3920 at 13:14:51 AEDST Thu Oct 13 2011 (SP by power-on)System restarted at 13:27:28 AEDST Thu Oct 13 2011System image file is "sup-bootflash:s72033-jk9s-mz.122-18.SXD7b.bin"

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Moving Into A New Spot And Some Of The Computer Will Be Forced To Go Wireless?

Jul 12, 2011

Moving into a new spot and some of the computer will be forced to go wireless. Is it better to have an adapter or an actual built-in PCi card?We play a lot of games, so that is my main concern, will we notice a big difference? The router that I am using is a WND3700 with latest firmware update.

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