Cisco Nexus 5000 Series Switch CLI Software Configuration Guide (OL-16597-01, July 2009)

Consequently, VSAN 2 can only be routed from switch 1 through switch 3 to switch 2.
Figure 52: Operational and Allowed VSAN Configuration
Configuring an Allowed-Active List of VSANs
To configure an allowed-active list of VSANs for an interface, perform this task:
Procedure
PurposeCommand or Action
Enters configuration mode.switch# configuration terminal
Step 1
Configures the specified interface.
switch(config)# interface fc slot/port
Step 2
Changes the allowed list for the specified
VSAN range.
switch(config-if)# switchport trunk allowed vsan
vsan-id - vsan-id
Step 3
Expands the specified VSAN to the new
allowed list.
switch(config-if)# switchport trunk allowed vsan
add vsan-id
Step 4
Deletes the specified VSAN range.switch(config-if)# no switchport trunk allowed
vsan vsan-id - vsan-id
Step 5
Deletes the expanded allowed list.switch(config-if)# no switchport trunk allowed
vsan add vsan-id
Step 6
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
512 OL-16597-01
Configuring VSAN Trunking
Configuring an Allowed-Active List of VSANs