Cisco Nexus 5500 Series NX-OS - Configuring an Allowed-Active List of Vsans

VSAN 2 can only be routed from switch 1 through switch 3 to switch 2.
Figure 19: Operational and Allowed VSAN Configuration
Configuring an Allowed-Active List of VSANs
You can configure an allowed-active list of VSANs for an interface.
Procedure
PurposeCommand or Action
Enters global configuration mode.configure terminal
Example:
switch# configure terminal
switch(config)#
Step 1
Changes the allowed list for the
specified VSAN range.
switchport trunk allowed vsan vsan-id - vsan-id
Example:
switch(config-if)# switchport trunk allowed vsan
35-55
Step 2
Expands the specified VSAN to the
new allowed list.
switchport trunk allowed vsan add vsan-id
Example:
switch(config-if)# switchport trunk allowed vsan
add 40
Step 3
Cisco Nexus 5500 Series NX-OS SAN Switching Configuration Guide, Release 7.x
OL-30895-01 89
Configuring VSAN Trunking
Configuring VSAN Trunking