Explicit Paths - HP Cisco MDS 9020 - Fabric Switch Configuration Manual

Cisco mds 9000 family cli configuration guide, release 3.x (ol-16184-01, april 2008)
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Remote SPAN
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
To configure an SD port for the scenario in
Command
Step 1
switchD# config t
Step 2
switchD(config)# interface fc2/1
Step 3
switchD(config-if)# switchport mode SD
Step 4
switchD(config-if)# switchport speed 2000
Step 5
switchD(config-if)# no shutdown
Mapping the FC Tunnel
The tunnel-id-map option specifies the egress interface of the tunnel at the destination switch (see
Figure
Figure 52-13
source switch S
IP address of VSAN 5
interface = 10.10.10.1
To terminate the FC tunnel in the destination switch for the scenario in
Command
Step 1
switchD# config t
Step 2
switchD(config)# fc-tunnel
tunnel-id-map 100 interface fc2/1

Explicit Paths

You can specify an explicit path through the Cisco MDS Fibre Channel fabric (source-based routing),
using the explicit-path option. For example, if you have multiple paths to a tunnel destination, you can
use this option to specify the FC tunnel to always take one path to the destination switch. The software
then uses this specified path even if other paths are available.
This option is especially useful if you prefer to direct the traffic through a certain path although other
paths are available. In an RSPAN situation, you can specify the explicit path so the RSPAN traffic does
not interfere with the existing user traffic. You can create any number of explicit paths in a switch (see
Figure
Cisco MDS 9000 Family CLI Configuration Guide
52-26
52-13).
FC Tunnel Configuration
Cisco MDS
ST port
ST
fc2/1
52-14).
Chapter 52
Figure
52-12, follow these steps:
Purpose
Enters configuration mode.
Configures the specified interface.
Configures the SD port mode for interface fc2/1.
Configures the SD port speed to 2000 Mbps.
Enables traffic flow through this interface.
Cisco MDS
Fibre Channel
fabric
FC tunnel destination
Purpose
Enters configuration mode.
Terminates the FC tunnel (100) in the destination switch
(switch D). The tunnel ID range is from 1 to 255.
Monitoring Network Traffic Using SPAN
Cisco MDS
destination switch D
IP address of VSAN 5
interface = 10.10.10.2
Figure
52-13, follow these steps:
OL-16184-01, Cisco MDS SAN-OS Release 3.x

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