The revision number and VTP domain name can be easily seen with a Sniffer trace; to prevent DoS t6 R$ @' d5 J1 x
attacks with VTP, set VTP passwords, which are encoded as message digests (MD5) in the VTP
* s8 D) G% k3 r! C; kupdates. Also, some installati** simply use VTP transparent mode on all switches, which + M1 J( ]7 R+ U, q( L" P* i* C$ A0 `+ j
prevents switches from ever listening to other switch VTP updates and erroneously deleting their
% v. E5 X: x7 T% b* {# J5 ?/ }VLAN configuration databases |
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