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Chapter 43
Monitoring Network Traffic Using 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 .
Single Source with One RSPAN Tunnel
The source Switch S and the destination Switch D are interconnected through a Fibre Channel fabric. A
RSPAN tunnel is configured as a destination interface for the SPAN session and the ST port forwards
SPAN traffic through the RSPAN tunnel (see
Figure 43-16
source switch S
Single Source with Multiple RSPAN Tunnels
Figure 43-17
has an associated ST port in the source switch and a separate SD port in the destination switch. This
configuration is useful for troubleshooting purposes.
Figure 43-17
SPAN
sources
OL-6973-03, Cisco MDS SAN-OS Release 2.x
RSPAN Scenario with One Source Switch, One Destination Switch, and One Tunnel
Cisco MDS
RSPAN tunnel
ST
displays two separate RSPAN tunnels configured between Switches S and N. Each tunnel
RSPAN Scenario with One Source Switch, One Destination Switch, and Multiple
Tunnels
Cisco MDS
source switch S
ST
ST
Figure
43-16).
Cisco MDS
Switch B
Cisco MDS
Fibre Channel
fabric
Cisco MDS
Switch C
Cisco MDS
Switch B
RSPAN tunnels
Cisco MDS
Fibre Channel
fabric
Cisco MDS
Switch C
Cisco MDS 9000 Family Configuration Guide
Remote SPAN
Cisco MDS
destination switch D
SD
FC analyzer
Cisco MDS
destination switch D
SD
SD
FC analyzer
FC analyzer
43-27
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