CCNA®: Cisco® Certified Network Associate: Fast Pass, Third Edition

2.11. Configure, verify, and troubleshoot trunking on Cisco switches

The 2960 switch only runs the IEEE 802.1Q encapsulation method. To configure trunking on a Fast Ethernet port, use the interface command trunk [parameter]. It's a tad different on the 3560 switch, and I'll show you that in the next section.

The following switch output shows the trunk configuration on interface fa0/8 as set to trunk on:

S1#config t
S1(config)#int fa0/8
S1(config-if)#switchport mode trunk

The following list describes the different options available when configuring a switch interface:

switchport mode access

I discussed this in the previous section, but this puts the interface (access port) into permanent nontrunking mode and negotiates to convert the link into ...