SwitchX(config)# eenndd
SwitchX# sshhooww vvttpp ssttaattuuss
VTP Version : 2
Configuration Revision : 0
Maximum VLANs supported locally : 64
Number of existing VLANs : 17
VTP Operating Mode : Transparent
VTP Domain Name : ICND
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0x7D 0x6E 0x5E 0x3D 0xAF 0xA0 0x2F 0xAA
Configuration last modified by 10.1.1.4 at 3-3-93 20:08:05
SwitchX#
Implementing VLANs and Trunks 33
Table 2-6 shows how 802.1Q trunking interacts with other switch features.
1 STP = Spanning Tree Protocol
Use the switchport mode interface con?¬?guration command to set a FastEthernet or Gigabit
Ethernet port to trunk mode. Many Cisco Catalyst switches support the Dynamic Trunking
Protocol (DTP), which manages automatic trunk negotiation.
Four options for the switchport mode command are listed in Table 2-7.
Table 2-6 Switch Feature Trunk Interaction
Switch Feature Trunk Port Interaction
Secure ports A trunk port cannot be a secure port.
Port grouping You can group 802.1Q trunks into EtherChannel port groups, but all
trunks in the group must have the same con?¬?guration.
When you create a group, all ports follow the parameters that are set for
the ?¬?rst port you add to the group.
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