Cisco Catalyst 4500 Series - ERSAN Sources

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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 67 Configuring ERSPAN
Information About ERSPAN
Figure 67-1 ERSPAN Configuration
ERSAN Sources
The Cisco ERSPAN feature supports the following sources:
• Source ports—A source port that is monitored for traffic analysis. Source ports in any VLAN can
be configured and trunk ports can be configured as source ports along with nontrunk source ports.
• Source VLANs—A VLAN that is monitored for traffic analysis.
The following tunnel interfaces are supported as source ports for a source session:
• GRE
• IPv6
• IPv6-over-IP tunnel
• Multipoint GRE (mGRE)
D1
D2
A1 A2
A3
B1 B2
B4
B3
Switch A
Switch D
Switch B
Probe
Destination Switch
(Data Center)
Source Switch(es)
(Access)
120377
Routed
GRE-Encapsulated
Traffic
Routed
GRE-Encapsulated
Traffic
Routed
GRE-Encapsulated
Traffic
Routed
Network