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l2-security-bh.ppt
VLAN Trunking Protocol (VTP)
¥ Used to distribute VLAN configuration among switches
¥ VTP is used only over trunk ports
¥ VTP can cause more problems than it solves, consider if it
is needed
¥ If needed, use the VTP MD5 digest:
CatOS> (enable) set vtp [domain domain_name] [mode
{client | server | transparent | off}] [passwd
passwd][pruningÊ{enable | disable}] [v2 {enable |
disable}]
IOS(config)#vtp password password-value
0x2003
SNAP Proto
0100.0ccc.cccc
DST MAC
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