[c-nsp] Blocking VTP

Daniel Roesen dr at cluenet.de
Wed Apr 30 16:39:34 EDT 2008


On Sun, Apr 20, 2008 at 11:27:37AM +0300, Tassos Chatzithomaoglou wrote:
> 2) block 01-00-0C-CC-CC-CC (used by CDP too)

Can be done on ingress only on 3750G. Any chance of blocking egress VTP
too?

> 4) block vlan 1 (although actually that's not possible)

Hm, modern IOS switches seem to be able to block VLAN 1 too... you
can even set "switchport trunk allowed vlans none". Am I missing
something?

Best regards,
Daniel

-- 
CLUE-RIPE -- Jabber: dr at cluenet.de -- dr at IRCnet -- PGP: 0xA85C8AA0


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