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Configuring VSAN Trunking
Table 12: Trunk Mode Status Between Switches
Your Trunk
Mode
Configuration
Switch 1
On
Off
Auto
The preferred configuration on the Cisco SAN switches is that one side of the trunk is set to auto and the other
is set to on.
Note
When connected to a third-party switch, the trunk mode configuration has no effect. The Inter-Switch
Link (ISL) is always in a trunking disabled state.
Configuring Trunk Mode
You can configure trunk mode.
Procedure
Step 1
Step 2
Step 3
Step 4
Cisco Nexus 5500 Series NX-OS SAN Switching Configuration Guide, Release 7.x
86
Resulting State and Port Mode
Switch 2
Trunking State
Auto or on
Trunking (EISL)
Auto, on, or off
No trunking (ISL)
Auto
No trunking (ISL)
Command or Action
configure terminal
Example:
switch# configure terminal
switch(config)#
switch(config)# interface fc slot/port
interface vfc vfc-id
Example:
switch(config)# interface vfc 15
switchport trunk mode on
Example:
switch(config-if)# switchport trunk
mode on
Configuring VSAN Trunking
Port Mode
TE port
E port
E port
Purpose
Enters global configuration mode.
Selects an interface that will be connected to the
core NPV switch.
If this is a QSFP+ GEM, the slot/port
Note
syntax is slot/QSFP-module/port.
Configures the specified Fibre Channel or virtual
Fibre Channel interface.
Enables (default) the trunk mode for the specified
interface.
OL-30895-01
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