Switching

I don't know what is going on with my switch. I can't access the any kind of prompt after reboot. This switch will reboot normaly until it reaches the *Mar  1 00:00:49.863: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFFand then nothing - it doesn't continue....

Just looking for pros/cons if I design a 2 qty 3750 stack as the only core…meaning no redundant core. This design avoids Spanning tree and the only disadvantage I can see is we are stuck to one IOS (since there is no backup core to run a diff ios) o...

I have bought a new 2960 switch. The IOS image does not support ISL encapsulation. As I would like to test some STP features, which IOS image does support ISL encapsulation? And how can I get it? Thanks.

Dear All,I would like ask you about IOS Lan lite and Lan base what are different for both IOS?Best Regards,Rechard

Hello all, I have a question regarding supervisor redundancy on a 6500 running in native mode. I recently had one running with a single sup and when I added the redundant one, it went to Cold status. I discovered that was due to the IOS code being di...

Dear AllMy switch is running very well but suddendly it crashed and I cant ping the switch anyway. When I use console to login to the switch. It appears alot of log messages (flushing message log) and It repeats log message and nonstop, it's same as ...

helloIf i use a computer connected to one of the switch ports of SLM2048 but later I wanna use another room (another port) the network does not work. The switch and eth card shows the link, but the PC says "acquiring IP address" and then nothing happ...

Is there a best practice stated someplace that you should reload thecatalyst 6500 switch at some time interval. Mine have been running for over a yearwithout a reload and due to some other work that will be occuring thisweekend I will have the opport...

Hello,We have a Production Switch. The etherchannel is configured and we are allowing only selected VLANs on the etherchannel trunkI need to modify the allowed vlan list in the trunkDo I need modify the allowed vlan list only in the Port-chanell conf...

Hi All,We have one 3750G, 12.2(35)SE5. I tried to configure "ip tacacs source-interface vlan2" but the swith won't take it. Even if I "write mem", it still doesn't show up in running configuration. The other same IOS switch does show up and tacacs wo...

Hi...I am having an issue related to RSPAN. When I give a monitor destination interface command on switch2(Cisco 6500 switch), the destination interface protocol goes down. Below is the config on the destination switchswitch2(config)#do sh run int gi...