[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
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