I want to know how to put Cat OS and IOS both on the same 6509, so i can use CatOS for swithing and IOS for routing.

my company has a cisco 4009 switch. this switch recently reboot serveral times. because other switch use the same power supply, but these swiths did't reboot. can you told me what was wrong and how to slove this problemi put sh log result at here

I'm new to this environment and when I arrived I notices that all switches are trunk to one 6509 core switch, which is fine. The 6513 switch is the server farm switch and also the aggregation switch. the issue is sometimes sme users Lotus Notes and N...

i want to block http traffic for one computer. this computer use dynamic ip address, it connect to a 2950 switch.i cannot use ip access-list because this host uses dynamic ip address, but mac access-list doesn't support block HTTP, mac access-list on...

our company has a ONS 15454 ,the SW version is ONS 1545404.61-004B-03.02, chassis BACKPLANE_454 and we are using OC48-IR-130 cards.my question is :-Using current SW and chassis, is it possible to use OC-192 cards?-which oc192 card i should select.