Cisco 7604 Configuration Guide - Page 410
Monitoring PISA Connections, Syslog Message for Dropped Connections
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Configuring TCP State Bypass Chapter 21 Configuring Advanced Connection Features Router(config-if)# ip nbar protocol-tagging vlan-list 100 ! Tagging Router(config-if)# mtu 9216 ! Allow packet size up to 9216 bytes without fragmenting Router(config)# system jumbomtu 9216 ! Set global LAN port MTU to 9216 bytes Monitoring PISA Connections This section includes the following topics: • Syslog Message for Dropped Connections, page 21-10 • Viewing PISA Connections on the FWSM, page 21-10 Syslog Message for Dropped Connections Syslog message 302014 (for TCP) and 302016 (for UDP) display when a PISA connection is denied. For example: %FWSM-6-302014: Teardown TCP connection 144547133155839947 for inside:10.1.1.12/33407 to outside:209.165.201.10/21 duration 0:00:00 bytes 160 PISA denied protocol Viewing PISA Connections on the FWSM To monitor connections from the PISA, use the show conn command. Connections that are tagged by the PISA are listed in the output with the "p" flag. The following is sample output from the show conn command: hostname# show conn 2 in use, 3 most used Network Processor 1 connections TCP out 10.1.1.10:21 in 209.165.201.12:33406 idle 0:00:04 Bytes 1668 FLAGS - UOIp Network Processor 2 connections UDP out 10.1.1.255:137 in 10.1.1.11:137 idle 0:00:48 Bytes 288 FLAGS Multicast sessions: Network Processor 1 connections Network Processor 2 connections IPv6 connections: ... Configuring TCP State Bypass This section describes how to configure TCP state bypass, and includes the following topics: • TCP State Bypass Overview, page 21-11 • Enabling TCP State Bypass, page 21-13 21-10 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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