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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 .
Multiple Sources with Multiple RSPAN Tunnels
Figure 43-18
tunnels have an associated ST port in their respective source switch and terminate in the same SD port
in the destination switch.
Figure 43-18
SPAN
source
SPAN
source
This configuration is useful for remote monitoring purposes. For example, the administrator may be at
the destination switch and can remotely monitor the two source switches.
Displaying RSPAN Information
Use the show commands to display configured RSPAN information. See Examples
Example 43-5 Displays ST Port Interface Information
switch# show interface brief
-------------------------------------------------------------------------------
Interface
-------------------------------------------------------------------------------
fc1/1
...
fc1/14
fc1/15
...
Cisco MDS 9000 Family Configuration Guide
43-28
displays two separate RSPAN tunnels configured between Switches S1 and S2. Both
RSPAN Scenario with Two Source Switches, a Destination Switch, and Multiple
Tunnels
Cisco MDS
source switch S1
ST
Cisco MDS
source switch S2
ST
Vsan
Admin
Admin
Mode
Trunk
Mode
1
auto
on
1
auto
on
1
ST
on
Chapter 43
Cisco MDS
Switch B
Cisco MDS
Fibre Channel fabric
RSPAN tunnels
Cisco MDS
Switch C
Status
Oper
Oper
Mode
Speed
(Gbps)
trunking
TE
trunking
TE
up
ST
OL-6973-03, Cisco MDS SAN-OS Release 2.x
Monitoring Network Traffic Using SPAN
Cisco MDS
destination switch D
SD
FC analyzer
43-5
to 43-11.
Port-channel
2
--
2
--
2
--
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