Cisco WS-C2950SX-48-SI Configuration Manual page 405

Chapter 26 Configuring SPAN and RSPAN
Table 26-2 Making Modifications to an Active RSPAN Session (continued)
Switch Action
B (source) Remove source port 3/2 from RSPAN session.
B (source) Add source port 3/2 to RSPAN session.
Adding RSPAN Source Ports in Intermediate Switches
This example shows how to add RSPAN source ports in intermediate switches.
RSPAN configuration; see
Ports 2/1-2 in Switch C can be configured for the same RSPAN session.
Figure 26-4 Adding RSPAN Source Ports in Intermediate Switch
Switch A
Table 26-3 Adding RSPAN Source Ports in Intermediate Switch
Switch Ports
A (source) 4/1, 4/2
B (source) 3/1, 3/2, 3/3
C (intermediate) –
C (source) 2/1, 2/2
D (destination) 1/2
Configuring Multiple RSPAN Sessions
This example shows how to configure multiple RSPAN sessions.
configuration; see
session. This is a typical scenario where the monitoring probes would be placed in the data center and
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Table 26-3
Switch D
T1
1/2
2/1.5
Switch C
3/1 2/1 2/2 3/2
T2
1/2
4/1 4/2 4/3 3/1 3/2
Reflector RSPAN
Port VLAN
4/3 901
3/4 901
– 901
2/3 901
– 901
Table 26-4 for the necessary configuration commands to configure this RSPAN
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide
RSPAN CLI Commands
set rspan source 3/1, 3/3 901 reflector 3/4
set rspan source 3/1-3 901 reflector 3/4
for the necessary commands to configure this RSPAN session.
Destination switch
1/1 1/2
Probe
Intermediate switch
T3
1/1
Source switch(es)
Switch B
3/3 3/4
Direction RSPAN CLI Commands
Ingress set rspan source 4/1-2 901 rx reflector 4/3
Bidirectional set rspan source 3/1-3 901 reflector 3/4
– No RSPAN CLI command needed
Bidirectional set rspan source 2/1-2 901 reflector 2/3
– set rspan destination 1/2 901
Configuring RSPAN
Figure 26-4
(data center)
(distribution)
(access)
Figure 26-5 shows an RSPAN
—
Release 8.1
shows an
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