Switching

trying to get a better understanding of vlans other than the book resource. I dont understand why I can do a show vlan and I see a vlan listed but not when I do sh int vlan. I check my distibution & access and no vlan interface. My switches are in ...

Hi all,Just wondering if anyone has any ideas about a problem we have with one of our routers at the moment.What happens is that on one FastEthernet interface, we are intermittantly getting tons of interface errors, but it doesn't have any reason or ...

Hello i am having problem with high CPU process in 7613 router and in "sh process cpu" command output is showing maximum consumptions in PPP manager , please give me an idea to solve the problem

I have a 1841 running IOS 12.4(17). Int fa0/0 output packets is showing unknown protocol drops. What does this mean and is there a way I can see what protocol/ports the drops are occuring on?

Hello,I'd like to rephrase a submission I made week, for which there were no replies... Does anyone know the STP ramifications when two ports on the same switch are connected to each other? Thanks for any input.

I have to connect about 10 servers for hosted VoIP in a data center environment. We get a 100Mb/s L3 Ethernet drop off (InterNap) and I would have just connected them with a 3560 switch but I need to use about 10 IPSec VPN connections for the SIP tra...

Hello,I have a 2801 router. It had a preconfigured SDM 2.3 I believe on it. I thought I would upgrade it "Big Mistake" and I tried doing it through the SDM interface. Everything was looking good, it downloaded an application, ran it, connected to the...

hi all,just want to post a situation here. i have 2 catalyst 4908G (8-port) with bridging enabled. it was configured to run as redundant switch router for vlanwith port #8 configured as etherchannel connected to port #8 of the second switch with port...

Hi.I have seen it GOLD logs on my C6K SwitchDec 28 06:40:00 KST: %DIAG-SP-STDBY-6-SCHED_RUNNING: Module 8: Performing Scheduled Online Diagnostic...Dec 28 06:40:00 KST: %DIAG-SP-STDBY-6-TEST_RUNNING: Module 8: Running TestFabricSnakeForward{ID=24} .....

4506 ws-4448G-T<--->glc-t 3560,1. on 4506, show cdp nei ，can find 3560,but 3560 can't find 4506.2. no bpdu exchange, both 3560 and 4506 are root bridge.3.IP can be transfered without any problem.I try 1000G crossover UTP instead of straight-through...

The web GUI on our new 2960 comes up very slow and pauses and sticks at random places. The ip http server and secure servers are enabled in the config. Eventually the GUI does appear, but it takes up to a minute. Other wise the switch is running ...

I am trying to grab phone IP address information from a 4506 switch via the CISCO-CDP-MIB. A number of the phones are returning extra "garbage" characters along with the data. Any idea what is going on?70 lfarm15 > snmpwalk -v 2c -c PUBLIC ca09-c4506...

The original CF was missing when I had a 2821 router returned. I have a new 64MB flash card but unable to load thru ROMMON. I get the message "ERR: Not enough memory to download image". The file I am trying to upload is only 12MB. Suggestions? Any wa...

The connection from my router to my switch is run via CAT 5. Seems that the port on the switch where the router is blicnking between Green and Orange. This happens in any port I put the connection. Any ideas as to why this is happening. Thinking this...