Cisco Switching/Routing :: 2851 / 6506 - Error Messages
Dec 26, 2010
I had these error messages on both my Cisco 2851 and on my Cisco Catalyst 6506.
On Cisco 2851:
%SYS-SP-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (4/4),process = SEA write CF process. [code]...
And on 6506:
Dec 27 15:20:55 MET: %SYS-SP-3-CPUHOG: Task is running for (2000)msecs, more than (2000)msecs (129/129),process = SEA write CF process.[ code]...
I have these IOS versions on my Cisco:
Cisco 2851: 15.0(1)M4
Cisco 6506: 12.2(33)SXI
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Mar 2, 2013
I am seeing Native VLAN mismatch errors on my 6506 switches as below [code] Will it(VTP Version mismatch) be the issue for getting the VLAN Mismatch Error ?
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Sep 30, 2012
We use C2950G switches with IOS 12.1(22)EA12 . Switches are set up to send logs to a server (informationnal level). On this server, we receive many of logs from those switches, but none about interfaces errors (even if interfaces statistics show interfaces errors). On C3548 switches it's work fine.How should I be sure the set up of switches is correct ? Why do I never receive messages as %LINK-4-ERROR:[char] is experiencing errors ?
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Aug 15, 2011
I m getting below error messages in show logs -
Aug 12 15:30:57.127 IST: %ENVIRONMENT-3-RPS_FAILED: Faulty internal power supply detected
Aug 12 15:31:02.175 IST: %ENVIRONMENT-3-RPS_FAILED: Faulty internal power supply detected
Aug 12 15:31:08.219 IST: %ENVIRONMENT-3-RPS_FAILED: Faulty internal power supply detected
Aug 12 15:31:10.239 IST: %ENVIRONMENT-3-RPS_FAILED: Faulty internal power supply detected
there is no error messages related to PSU in "show env all " log .
here is show version -
------------------ show version ------------------
Cisco Internetwork Operating System Software
IOS (tm) C2950 Software (C2950-I6K2L2Q4-M), Version 12.1(22)EA13, RELEASE SOFTWARE (fc2)
Technical Support: [URL]
Copyright (c) 1986-2009 by cisco Systems, Inc.
[Code] ....
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Apr 24, 2013
Up to today I used Verizoon 4G to a Windows Visata box running Internet connection Sharing to get my home lab connected to the Internet . All was working well.
Today I had Hughesnet come and installl their service and I can no longer get access to the Internet from my PC netowrk. my VPN to my office for my IP phone coomes up an works just fine. At the router I do have Internet access which then leads me to believe that my problem is NAT related.
My router is a 2851.
When I enter PING 4.2.2.2 I get !!!!! but when i enter PING 4.2.2.2 SOURCE 192.168.69.3 I get .....
Here is my config info:
crypto isakmp policy 1
encr 3des
hash md5(code)
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Nov 27, 2012
I have one cisco 3750G-48 switch, one cisco 3560G-PS switch, Cisco UC520, cisco 2851 and cisco wireless access point.i have setup up intervlan routing between the two cisco switches and the uc520 with a total of four VLANS, the problem i'm having is with the 2851 router, I have created a trunk between the 3750 switch and the 2851 router. should I create subinterfaces on the 2851 router for the four vlans by doing gigabieethernet 0/0.1, 0/0.100 and so on or should I create BVI subinterfaces.
reason I ask is I created four vlans on the vtp server switch which is the 3750 and I connected the uc520 to the 3750 switch via a trunk interface and set up vtp client on the uc520, after I setup p the vtp on the uc520 the vlans were automatically created on the uc520 with each vlan having its own BVI interface.
So I am not sure how to configure the 2851 router to interact with the four vlans. also the 2851 router have two hwic 1adsl wics installed which will have two adsl connections coming in.how to set up the 2851.
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Mar 8, 2013
I am configuring multicast in a environment where I have a 4506 at each site (4 total) and a 6506 as the core. Each 4506 is connected via layer 3 to the 6506. I have a mix of 3560s, 3548s, and 2960s connected to the 4506s and the 6506 via layer 2 trunk
I have multiple multicast sources and hosts communicating at a time (multiple cameras sending video / multiple computers receiving video). So this is not a scenario where there is 1 sender and many receivers. This would be many senders (~50) and some receivers (~10)
Sample Diagram:
->3560
|
6506 --> 4506 --> 3548
| |
| --> 2960
|
4506 --> 2960
|
-->3548
I configured ip multicast-routing on each of the 4506s and on the 6506. IGMP snooping is on by default on the 3560 and 2960 switches. CGMP is on by default on the 3548 switches.
I set up PIM sparse-dense mode and IGMP version 3 on each of the layer 3 interfaces for the 4506s and 6506 where they connect and on each VLAN that is sending or receiving multicast. Multicast is working throughout the network, however I am looking to verify the configuration as I scale this out to more clients on the network.
#1 - Is it correct to us sparse-dense mode in this configuration?
#2 - Do I need to configure a rendezvous points using AUTO-RP? (ip pim send-rp-announce INTERFACE scope TTL). Not sure here if I need to designate this and what to choose. Right now I do not have this and it is working, but documentation seems to infer that I need to designate this.
#3 - Is there any other configuration settings I should be considering? I hard to find real world configurations of multicast as examples or people that know multicast routing well.
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Dec 20, 2012
I upgraded the IOS on 6506E, SUP 720-10GE, non-redundant, to a new one, rebooted OK. Switch seems to work fine but "show bootvar" shows the previous IOS name instead of the new one: s72033-advipservicesk9_wan-mz.122-33.SXJ3.bin.Removed the old IOS name on "boot var", gave it new IOS name, "show bootvar" now has correct new IOS name, write mem again and reloaded switch.It booted up OK but "show bootvar" still has the old IOS: "s72033-ipbasek9-mz.122-33.SXI2a.bin".According to IOS upgrade procedure, after all the upgrade IOS steps done, then just "write mem" then the "bootvar: will have the new IOS name, but on my switch it is always has the old IOS name ? How can I set the bootvar to new IOS name?
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Nov 29, 2012
I have a Cat6506. There were 2 Sup 720 in it for redundancy. They told me they had problems with this thing in the past needing to go out and reboot the machine. I need to go out periodically because it goes into ROMMON. I type boot and it comes back up. One time though neither one would reboot. I had to take a third one out there and reconfigure it. Now it is starting to do the same thing. One thing I did notice is they never connected it to an UPS. It is plugged strait into the wall with power going to two outlets. I am beginning to think there are spikes in the power occurring and this is sending it into ROMMON.
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May 2, 2012
connection vss two 6506 which is the conector or speed (10g or1g) Sfp or x2 What is the connection that allows vss
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Dec 7, 2011
Access-group only allows me to set the mode.access-group > mode > prefer > port > int g2/1,Those are the only options available to me, it doesn't allow me to go.ip access-group <name> in or out or access-group <name> in or out.
I realize the commands may be a little off, I don't have a switch nearby. When I get on our 3750 there are no issues, it allows you to apply the ACL the conventional way. I just can't seem to find any way to apply an ACL on an interface on the 6506 though.
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Feb 2, 2011
I am having issues bringing up a tunnel between a cisco 861 router and Cisco 2851 router. Tunnel has been dropping every week atleast once or twice. Usually router reboot fixes it but today it is just not coming back up. have updatee remote, reloaded the config still no use. It seems like it is partially coming up but I see the following two messages on the main router:
1- Death by retransmission P1
2- 11:03:03.789: %CRYPTO-6-IKMP_NOT_ENCRYPTED: IKE packet from 12.234.109.169 was not encrypted and it should've been
I have checked the config on both routers it is the same as the VPN was up and we didn't make any changes on either of the two routers.
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Dec 9, 2012
I have a cisco 2851 router as the edge router, I have a 3750G and a 3560G switch and configured intervlan routing with four vlans, also connected to the switches a four servers and one has active directory and a dns server.i am able to ping from all te servers fine from different vlans and the servers are able to ping the edge router. the problem I am having is with DNS, in the edge router i have configured the isp's dns server address in ip name-server and i am able to reach the outside world.
the problem im having is the servers are not able to reach the outside, do i need to do something in the edge router to forward it to the 3750g or do i have to add my isp's dns servers on the 3750g with ip name-server.
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Dec 7, 2011
I am a networking student and was playing around with a Cisco 2800 series router. Couldn't figure out the password or user name so was following these steps from this KB {URL}.
For Password and User Reset..... Although by the time I got to selecting a username and password the computer had went to sleep so I started over again. When I restarting this process I ejected the Flash memory told it to reset but failed to reinsert the flash card before it rebooting. Now in the terminal I get symbols instead of words. What can I do ?
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May 4, 2012
I tried to upgrade IOS from SXI2a to SXI9 in cat 6506 VSS. But the problem is that switch always boot with old IOS. I put the new IOS in sup-bootdisk and slave sup-bootdisk, bootvar is ok with new IOS: [code] Show bootvar is ok but switch always boot with old IOS SXI2a, some bug in IOS sxi2a???, I will try to delete de old IOS from sup bootdisk and try with the new one only.
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Aug 30, 2012
I have PAT set up successfully on 6506 chassis - My outside address range is 78.24.112.114 255.255.255.240.Relevant parts of the config below: [code] This works fine but of course is only using the one IP address 78.24.112.114.how I can utilize the other outside addresses available or is this not really necessary? I've browsed through loads of Cisco docs.
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Apr 23, 2012
We purchased two new 4948 with two 10GE uplink ports and upgraded the devices to run IOS 15. My 6506 is running Sup 720 with s77233-adventerprisek0_wan-mz.122-33.SXI9. Currently we have 4948's connected to the same 6506's with no problems. Today I tried to add the new switches with new IOS and it caused of of my 6506 core switches to failover. I can't explain why because it was close to start of business and couldn't do much troubleshooting.
Currently we have four 4948 (running IOS 12.2(14) switches running Layer2 connecting dually to each of the two 6506 cores via 10GE fiber uplinks. I tried to add two more to the scenario, again running layer2 and dual-honing them to each of te 6506 switches. there are two 6506 core switches and they run HSRP and spanning tree is manually set to give priority to even vlans on one 6506 and odds on the other 6506. Also the new switches I tried to add did had rootguard applied as well as the uplinks.
We have to get this working and have no test environment to work with. We need to do this late this evening after close of business.
On another note, I have had problems upgrading some of my older 4948's to IOS 15. I followed Cisco's suggestion and upgraded the EPROM first and then the IOS upgrade took on three of the switches that were ordered rather recently. The four that were ordered in one batch will not take the upgrade even following Cisco's instruction and lots of other tricks. Nothing works. Having problems with IOS 15, in general?
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Mar 2, 2013
I have a problem with high CPU load by DHCP Snooping process on Catalyst 6506 (WS-SUP720-3B, soft: s72033-ipservices_wan-mz.122-18.SXF11.bin). I have it enabled on 15 VLANS, in which there are subscriber devices residing, and sending DHCP requests through Cisco to DHCP server (Cisco acts as DHCP relay, and it's collecting the snooping database, I also use DAI).
Snooping database contains 6962 bindings now.
CPU load goes high only sometimes, and I don't have a clue, why it's going so high. It can load as high as 45-47% of CPU, like this:
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
116 81471244 322596368 252 42.95% 43.48% 36.06% 0 DHCP Snooping
When the load is high, the command: show ip dhcp snooping statistics is showing, that the overall quantity of
Packets Processed by DHCP Snooping is increasing rapidly. In normal situations, it's like 10-20 packets per second, but when the load is high, it's 1000-10000 pps.
But when I look at SPAN from my subscriber's VLANS, I don't really see any flood of DHCP requests, or something like that - everything looks as usual. Maybe, some of subscriber's devices are sending incorrect DHCP requests, that are causing packets to loop inside RP, or something like that? How can I detect that thing?
Also I thought, that if I enable the ip dhcp snooping trust mode on all of the Catalyst interfaces, the DHCP snooping will not process the subscribers DHCP packets, and I can, by exclusion of interfaces from one to one, detect, from which interface the problem is originating. But this seems to be incorrect, I turned the ip dhcsp snooping trust on all interfaces, and I still get spikes of CPU load by DHCP snooping process. Why it's still examining packets, even on trusted interfaces, is it ok?
And one more question - if I disable the ip dhcp snooping globally, will it clear all my existing bindings in snooping database?
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Nov 22, 2011
we have ACS 4.2 and 2851 router with IOS 15.0(1)M4. There is authentication failure with error no 254. Is there any compatibilty issue with 15.0(1)M4 IOS
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Mar 5, 2011
i have 2851 router and it is hanging when i login on it while it is hanging it gives me the following error message: [code]
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Jan 23, 2010
I have a Head Quarter and a remote site running over a OC3 circuit. [code]
On the HQ, I have a Cisco VXR7204 running IOS 12.4.15T(10) Advanced IP Serviceand the remote site is a Cisco 2851 also running IOS 12.4.15T(10) Advanced Ip Service. The HQ has a Riverbed Steelhead 5050H capable of delivering 100MbpsWCCP throughput. The remote site has a Riverbed Steelhead 1050H which can deliver 10Mbps WCCP throughput. At the HQ, the LAN network is 192.168.251.0/24.The Steelhead residing on the 192.168.251.0 network.At the remote site, the LAN network is 192.168.103.0/24 and 192.168.211.0/24.The Riverbed resides on the 192.168.103.0/24 network.
When a host on network 192.168.211.0/24 download a file from network192.168.251.0/24 network via http, the CPU on the Cisco 2851 goes to 99% utilization and that it stays there for the duration of the http session. There is very little traffic goes across the WAN whichis the way it should be but the CPU on the 2851 stays at constant at99% CPU utilization.
Why would WCCP consume so much CPU on the Cisco 2851? By the way, I am only getting about 5Mbps download instead of 90Mbps download, I think because of the high CPU on the router?
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Jul 30, 2012
I have a 6506-E with 720 Sup. I am trying to connect a server with HP 550SFP Nic to my 6506.If I plug the SFP from my server into my 6506 it will not link. When I plug that very same SFP into a 3750 it links fine. Makes me think that there is something I am doing worng on the 6506 Config.But, If I plug another server using a IBM LAN Card into the same port on my 6506 it connects and works fine so now I am starting to wonder.
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Apr 2, 2013
We currently have an existing 6506 in data center that we want to add another 6506 to and do a VSS implementation.I'm trying to minimize down time so our current basic plan was to do the following:
1. Bring up the new 6506 and configure it for VSS
2. Trunk a port between the new 6506 and the production 6506
3. Physicall move connections from the production 6506 to the newly connected VSS switch
4. After all physical ports have been moved, power off the original 6506 swap the supvisor card out for the new 2T Sup card
5. Configure original 6506 for the virtual domain and then connect the VSL's.
According to the documentation, to run "switch convert mode virtual" the standby unit has to be in hot standby. This means I can't run this prior to moving the connections over, which means once I run "switch convert mode virtual" it will reboot the switches (~ 9 minutes of down time). Is there anyway around this?
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Feb 17, 2013
seeking for configuration assitance on etherchannel between catalyst 3750 and 6506
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Nov 29, 2011
problem to configure MWAM. I have installed MWAM module in 6506-E slot 2 with sup720-3B. After installing MWAM the Status is PwrDown. I tried to turn on the power but its not happening. MWAM is installed in slot 2 and here is the result of show module 2 My Sup720-eB IOS image is s72033-advipservicesk9_wan-mz.122-33.SXJ1.bin
6506-E#show module 2
Mod Ports Card Type Model Serial No.
--- ----- -------------------------------------- ------------------ -----------
2 3 MWAM Module WS-SVC-MWAM-1 SAD081203GK
Mod MAC addresses Hw Fw Sw Status
--- ---------------------------------- ------ ------------ ------------ -------
2 0003.feae.bb8c to 0003.feae.bb93 3.0 Unknown Unknown PwrDown
Mod Online Diag Status
---- -------------------
2 Not Applicable
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Sep 2, 2012
i want to know if 1port of the 16 10Gbase-t Module (WS-X6716-10T-3C) for the Catalyst 6500E Series, can be connected to a 1Gbase Port of a 2900 ISR Routers, are they gonig to work at 1Gbps or, simply, they are not compatible?
If it is true, can i create a 4ports etherchannel between them? of course using the 16 1Gbase-T switch module on the Router.
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Mar 28, 2012
Will a WS-X6748-GE-TX work with a Sup 32 in a 6506/6509?
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May 28, 2012
We have Cisco 2851 Router part code CISCO2851-SEC/K9 facing issue while set peer configuration, issue description below.
Issue:We are facing the problem while configuring set peer as when we try to this we face error like 'unable to set peer.maximum numbwe of peer (40)exceeded'
We suspected the IOS issue hence we have gone for IOS upgrade for this Router but this error is still coming while configuring set peer.
Previous IOS: c2800nm-advsecurityk9-mz.124-15.T7.bin New IOS:c2800nm-advsecurityk9-mz.124-24.T7.bin
We are attaching here the snap shot of error that is coming while configuring the Router with set peer command along with show tech of the Router to understand this case brief.
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Dec 29, 2012
I have a Cisco 2851 router and need an additional gigabit Ethernet port. How to get the part number I need to order?
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Oct 18, 2012
[code]....
I can access the ACNS with this config. The issue is that it will not cache anything when I enable WCCP on both ends. I am unable to set the gateway to the IP (even when static) to the WAN interface IP with the error Network Unreachable by content engine. If I address it within the 192.168.2.X network and gateway to 2.1, it locks up when cache is enabled. 192.168.0.5 (the external wan int) is unreachable as a gateway.
I've tried the unnumbered ip on the internal interface but then the service module won't accept an IP stating that the router side must have an IP set.
I had WCCP attempting to cache but timing out on everything without caching a thing. I want/need to understand the IP routing before I get ahead of myself.
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Nov 29, 2011
I have 2 Cat-6506's that are used for my WiSM's. The only thing in both Chassis is 2 X WiSMs a SUP-7203A and a 6516A line card.The only connection between the rest of the network and these chassis is on port gig 1/2.[code] If I have read other posts correctly all points to the ASIC being overun by that traffic being sent from my WiSMs out to the Network.
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Sep 26, 2012
I am still working on the design of my big project and always that you think that every thing is solve, appears a details.We need to deploy a fiber links to some buildings that will have access switches connected to the Core. I have been reading about ethernet ring topologies and quite differents to the hierarchical model because of the using of Ressilent Ethernet Protocol instead of STP or RSTP.My question is which of the next to scheme will be the best?
1.- Deployment an ethernet fiber ring topology with REP? Consider that the edge Switch of this ring will be my Core and this one is connected to my distribution switches in a hierarchical topology. In this situation, Acces Switch 1-A is connected to Acces switch 1-B, Access Switch 1-B to 1-C and Switch 1-C to the Core. Feel fre to recomend me wich switches and considerations are the best. We conssider 1 Catalyst 6506 Chasis for the Core and catalyst c2960s-48-TDL for acces, maybe the 3750x series. Each Acces node in the ring topology will have a maximun of 50 end devices.
2.- Deployment a Fiber ring but not connecting each switch with the next. In this case we want to ensure redundancy to the core wih equal costs path, but because of the ring each switch won´t have equal length link to the core. In this situation, Acces Switch 1-A is not connected to Acces Switch 1-B is connected directly to the core but the fiber cable will take the route to Access Switch 1-B, to Acces Switch 1-C and finnally to The Core Switch. This apply to the other to Switches. Note now that Acces Switch 1-A will have a 281 Ft link to the core and a second 1612Ft. link to the core. Here comes the question this differents lenght will negative affect RPVSTP ? or It doesn´t matter? Can i setup an etherchannel/load balance in this situation?
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Sep 7, 2012
I'm have ether channel between CISCO 6506 and CISCO 3750X. I'm set load-balance ip-src from 6506 side and dst-ip from 3750 side. i'm try test etherchannel for detect physical link for test ip. On 3750 all work, but on 6506 i'm get error: test etherchannel load-balance interface port-channel 1 ip 10.10.10.2 10.10.10.1 ^ % Invalid input detected at '^' marker.
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