Remote Span - Cisco 3750G - Catalyst Integrated Wireless LAN Controller Configuration Manual
Software configuration guide
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Also See for 3750G - Catalyst Integrated Wireless LAN Controller:
- Configuration manual (40 pages) ,
- Getting started manual (49 pages)
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Chapter 28
Configuring SPAN and RSPAN
Figure 28-2
Stackwise
connections
Remote SPAN
RSPAN supports source ports, source VLANs, and destination ports on different switches (or different
switch stacks), enabling remote monitoring of multiple switches across your network.
source ports on Switch A and Switch B. The traffic for each RSPAN session is carried over a
user-specified RSPAN VLAN that is dedicated for that RSPAN session in all participating switches. The
RSPAN traffic from the source ports or VLANs is copied into the RSPAN VLAN and forwarded over
trunk ports carrying the RSPAN VLAN to a destination session monitoring the RSPAN VLAN. Each
RSPAN source switch must have either ports or VLANs as RSPAN sources. The destination is always a
physical port, as shown on Switch C in the figure.
OL-8550-02
Example of Local SPAN Configuration on a Switch Stack
Catalyst 3750 switch stack
Switch 1
1/0/4
port
Switch 2
Switch 3
Port 4 on switch 1 in the stack
Port 4 on switch 1 in the stack
Port 4 on switch 1 in the stack
mirrored on port 15 on switch 2
mirrored on port 15 on switch 2
mirrored on port 15 on switch 2
2/0/15
Network
analyzer
Catalyst 3750 Switch Software Configuration Guide
Understanding SPAN and RSPAN
Figure 28-3
shows
28-3
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