Configuring Trunk Mode; About Trunk-Allowed Vsan Lists And Vf_Ids - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual
Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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Table of Contents
Chapter 16
Configuring Trunking
D r a f t Ve r s i o n 3 - 0 3 D e c 2 0 0 8 - C i s c o C o n f i d e n t i a l
Table 16-2
Your Trunk Mode Configuration
Port Type
E ports
Port Type
F and NP
ports
The preferred configuration on the Cisco MDS 9000 Family switches is one side of the trunk set to auto
Tip
and the other side set to on.
Note
When connected to a third-party switch, the trunk mode configuration on E ports has no effect. The ISL
is always in a trunking disabled state. In the case of F ports, if the third-party core switch ACC's physical
FLOGI with the EVFP bit is configured, then EVFP protocol enables trunking on the link.
Configuring Trunk Mode
To configure trunk mode, follow these steps:
Command
Step 1
switch# config t
Step 2
switch(config)# interface fc1/1
switch(config-if)#
Step 3
switch(config-if)# switchport trunk mode on
switch(config-if)# switchport trunk mode off
switch(config-if)# switchport trunk mode auto
About Trunk-Allowed VSAN Lists and VF_IDs
Each Fibre Channel interface has an associated trunk-allowed VSAN list. In TE-port mode, frames are
transmitted and received in one or more VSANs specified in this list. By default, the VSAN range (1
through 4093) is included in the trunk-allowed list.
OL-18084-01, Cisco MDS NX-OS Release 4.x
Trunk Mode Status Between Switches
Switch 1
Switch 2
On
Auto or on
Off
Auto, on, or off
Auto
Auto
Core Switch NPV Switch
On
Auto or on
Auto
On
Off
Auto, on, or off
Configuring Trunk Mode and VSAN List
Resulting State and Port Mode
Trunking State
Trunking (EISL)
No trunking (ISL)
No trunking (ISL)
Trunking State
Trunking
Trunking
No trunking
Purpose
Enters configuration mode.
Configures the specified interface.
Enables (default) the trunk mode for the
specified interface.
Disables the trunk mode for the specified
interface.
Configures the trunk mode to auto mode, which
provides automatic sensing for the interface.
Cisco MDS 9000 Family CLI Configuration Guide
Port Mode
TE port
E port
E port
Link Mode
TF-TNP link
TF-TNP link
F-NP link
16-9
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