Specifications

© 2006 Cisco Systems, Inc.
All rights reserved.
Product Features 2-64
NAM / Traffic Analyzer v3.5 Tutorial
© 2006 Cisco Systems, Inc. All rights reserved.
Product Features 2-64
NAM / Traffic Analyzer v3.5 Tutorial
Basic NAM-1/2 Configuration
Step 1: Configuring VACL Data Source
Basic NAM-1/2 Configuration
Step 1: Configuring VACL Data Source
NAM Data Port 1
NAM Data Port 1
VACL
VACL are valuable data source for:
• Analyzing WAN Ports (packets forwarded as
Ethernet frames)
• Analyzing LAN interfaces if all SPAN
sessions are in use
• Pre-filtering traffic before sending it to the
NAM
VACL are valuable data source for:
• Analyzing WAN Ports (packets forwarded as
Ethernet frames)
• Analyzing LAN interfaces if all SPAN
sessions are in use
• Pre-filtering traffic before sending it to the
NAM
6509(config)#access-list 100 permit ip any any
6509(config)#vlan access-map wan 100
6509(config-access-map)#match ip address 100
6509(config-access-map)#action forward capture
6509(config-access-map)#exit
6509(config)#vlan filter wan interface ATM6/0/0.1
6509(config)#analysis module 3 data-port 1 capture allowed-vlan 1-4096
6509(config)#analysis module 3 data-port 1 capture
Configured from host switch CLI
Configured from host switch CLI
Configuring VACL Data Source
As mentioned earlier, VACLs are useful for several applications: monitoring IP traffic from WAN ports,
analyzing LAN interfaces if all the SPAN sessions are in use, or for pre-filtering traffic before sending it to the
NAM for further analysis. The use of VACLs to copy traffic to the NAM for monitoring purposes requires
configuration from the host switch CLI.
The above example shows how to configure a VACL on an ATM WAN interface and forward both ingress and
egress traffic to the NAM. These commands are for switches running Cisco IOS version 12.1(13)E1 or
higher. For LAN VACLs on Catalyst OS, the security Access Control List (ACL) feature can be used to
achieve the same result.
Refer to the NAM User Guide for more examples or the Switch Command Reference for more details on
using and configuring VACLs.