Quick Reference Guide

VLANs | 213
6. Verify the configuration with the show vlan commands, or any of the other commands listed in
Displaying VLAN Information on page 233.
Notes:
• Note that VLAN2 on R1 has some untagged ports and some tagged ports. The tagging type (either
untagged or tagged) must match those of their directly connected ports on the other switches.
• SFTOS 2.5 permits mixed tagged and untagged VLANs on an interface.
Assign an interface to multiple VLANs
The diagram in Figure 14-169 shows five S-Series switches, R1, R2, R3, R4, and R5, in a trunking
relationship, where port 20 on R1 is connected through R5 on separate VLANs to the other three switches.
Figure 14-169. Switch Connected to Other Switches through Multiple VLANs
1. To create the topology shown in Figure 14-169, first create VLANs 2, 3, and 4 on switch R1, and
assign port 20 to each VLAN.
2. Create VLAN 2 on switch R2 and assign port 1.
R1 #config
R1 (Config)#interface vlan 2
R1 (Conf-if-vl-2)#tagged 1/0/20
R1 (Conf-if-vl-2)#exit
R1 (Config)#interface vlan 3
R1 (Conf-if-vl-3)#tagged 1/0/20
R1 (Conf-if-vl-3)#exit
R1 (Config)#interface vlan 4
R1 (Conf-if-vl-4)#tagged 1/0/20
R2 #config
R2 (Config)#interface vlan 2
R2 (Conf-if-vl-2)#tagged 1/0/1