Cisco WS-C2948G-GE-TX Configuration Manual page 399

Chapter 26 Configuring SPAN and RSPAN
This example shows how to set VLAN 522 as the SPAN source and port 2/12 as the SPAN destination.
Only transmit traffic is monitored. Normal incoming packets on the SPAN destination port are allowed.
Console> (enable) set span 522 2/12 tx inpkts enable
Overwrote Port 2/12 to monitor transmit/receive traffic of VLAN 522
Incoming Packets enabled. Learning enabled.
Console> (enable) show span
Destination
Admin Source
Oper Source
Direction
Incoming Packets: enabled
Filter
Status
----------------------------------------------
Total local span sessions:
Console> (enable)
This example shows how to set multiple SPAN sessions by entering the following configurations:
Port 3/1 as the SPAN source and port 2/3 as the SPAN destination
•
• Port 3/2 as the SPAN source and port 2/5 as the SPAN destination
Console> (enable) set span 3/1 2/3
Overwrote Port 2/3 to monitor transmit/receive traffic of Port 3/1
Incoming Packets disabled. Learning enabled.
Console> (enable) set span 3/2 2/5 tx create
Created Port 2/5 to monitor transmit traffic of Port 3/2
Incoming Packets disabled. Learning enabled.
Console> (enable) show span
Destination
Admin Source
Oper Source
Direction
Incoming Packets: disabled
Learning
Filter
Status
--------------------------------------------
Destination
Admin Source
Oper Source
Direction
Incoming Packets: disabled
Learning
Filter
Status
--------------------------------------------
Total local span sessions:
Console> (enable)
This example shows how to configure SPAN so that both transmit and receive traffic from the trunking
port 3/4 (the SPAN source) are mirrored on port 3/5 (the SPAN destination) and both VLANs 50 and 850
are filtered:
Console> (enable) set span 3/4 3/5 both filter 50,850
Overwrote Port 3/5 to monitor transmit/receive traffic of Port 3/4
Incoming Packets disabled. Learning enabled.
Console> (enable) show span
Destination
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
: Port 2/12
: VLAN 522
: Port 2/1-2
: transmit
: -
: active
1
: Port 2/3
: Port 3/1
: None
: transmit/receive
: enabled
: -
: inactive
: Port 2/5
: Port 3/2
: None
: transmit
: enabled
: -
: inactive
2
: Port 3/5
Configuring SPAN
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