Hi:       I tried to upgrade one of my 4507R romman to 12.2(20r)EW1, and find out the file should be cat4000-ios-promupgrade-122_20r_EW1. but I could not find the link to the download at Cisco Site. could anybody help?         Thanks in advance.     ...

Hi:    my 3 4507R routers ios are way too old. I want to enable SSH on these routers. all the devices have dual supervisors.1.  which ios do you recommend me to upgrade to.2. do I need to upgrade the ROM?my device info is as the following:A: ROM:    ...

Hi    Customer want me to defined a SPAN port on N2K, it is a fex port. when I configure I got the following statement from the switch.Is there any way to solve the problem?n5k-N2K(config-monitor)# destination ?  interface  Configure interfacesn5k-N2...