Hello, I already changed the SSH service port from 22 to 2222 in 7609(Using command and ACL). And I checked the block connection from another service port.   However, the management interface seems not affect this configuration. Because it is possibl...

I have never operated a Cisco 1720 router.   Last day it was the first time to operate 1720 router. But I couldn't find a specific command, 'show env'. Does the 1720 router originally not support 'show env' command?

How can I change the SSH default port(22) in ASR 9K?  I heard ASR9K can't change SSH port.. is this right??   Could you reply related document link to me?