Cisco Layer 3 Switch Integration Script (Catalyst 9500)
This document provides scripts required to complete the installation of the NAC Solution
NAC Router Integration Script
conf t!flow record sc-record match ipv4 protocol match ipv4 source address match ipv4 destination address match transport source-port match transport destination-port!flow exporter sc-exporter destination x.x.x.x (replace x.x.x.x with IP of NAC appliance and remove this comment) transport udp 50001 export-protocol netflow-v5!flow monitor sc-monitor exporter sc-exporter record sc-record!ip access-list extended impulse_block permit ip any host 198.31.193.211!ip access-list extended intranet remark allow DNS permit udp any any eq domain remark allow DHCP permit udp any any eq bootps remark allow access to AD server permit ip any host x.x.x.x (Replace with IP of AD server and remove this comment) remark allow access to AV server permit ip any host x.x.x.x (Replace with IP of AV server and remove this comment) remark allow RDP access to blocked hosts permit tcp any eq 3389 any!route-map impulse deny 10 match ip address intranet! route-map impulse permit 20 match ip address impulse_block set ip next-hop x.x.x.x (replace with IP of NAC appliance and remove this comment)!interface X (Layer 2 interface(s) which belong to vlans/subnet(s) to be placed under policy – recommend a test subnet first, remove this comment)ip policy route-map impulseip flow monitor sc-monitor inputip helper-address x.x.x.x (replace with IP of NAC appliance and remove this comment)!end*Note – Be sure to also allow the NAC Enforcer access to the router if a VTY/SSH access-list is present on the router.
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