Router ports and debug in CCIE

Unanswered Question
Feb 20th, 2009

1.How do I shut and open ports on a router.

2.Is debug allowed in CCIE lab?


I have this problem too.
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marikakis Fri, 02/20/2009 - 02:50

1. shutdown/no shutdown under interface configuration mode

2. debug is allowed in the lab

3. I can't answer your third question ;-)

Just Kennie Fri, 02/20/2009 - 18:42

Its like you dont get my question. What i intend to do for example is to shut down telnet (23) access and other unused port on an interface f0/1. What do I do.

Giuseppe Larosa Fri, 02/20/2009 - 22:45

Hello Just,

now it is more clear if you want to block some traffic you can use an ACL on the interface.

if you are interested in security features to secure a router you should look for receive ACL, Control plane policing CoPP and starting from acls used to limit access to vty lines (access-class under line vty )

look for network devices hardening

Hope to help



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