Cisco 7604 Configuration Guide - Page 502
Verifying and Monitoring SIP Inspection, show sip, inspect protocol sip udp 5060, show timeout
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SIP Inspection Chapter 22 Applying Application Layer Protocol Inspection Figure 22-16 Extending Timeout for Provisional Responses UAC UAC Pin hole for 100 Trying, media xlate and SIP session are kept open for configured timeout INVITE 100 Trying 180 ringing INVITE Pin hole for 180 Trying and 200 OK kept open for configured timeout 191380 Restrictions include: • SIP media connections are not cleared when 200 OK is received for the BYE message, CANCEL message, or 4xx/5xx/6xx SIP message for those SIP sessions established prior to failover. SIP sessions established after failover are cleared. • Pinholes opened for SIP responses are not cleared along with SIP media connections when 200 OK is received for the BYE SIP message, CANCEL SIP message, or 4xx/5xx/6xx SIP message. Instead, pinhole connections are cleared eventually due to timeout. Verifying and Monitoring SIP Inspection The show sip command assists in troubleshooting SIP inspection engine issues and is described with the inspect protocol sip udp 5060 command. The show timeout sip command displays the timeout value of the designated protocol. The show sip command displays information for SIP sessions established across the FWSM. Along with the debug sip, show local-host, and show service-policy inspect sip commands, this command is used for troubleshooting SIP inspection engine issues. Note We recommend that you configure the pager command before entering the show sip command. If there are a lot of SIP session records and the pager command is not configured, it takes a while for the show sip command output to reach its end. The following is sample output from the show sip command: hostname# show sip Total: 2 call-id [email protected] state Call init, idle 0:00:01 call-id [email protected] state Active, idle 0:00:06 This sample shows two active SIP sessions on the FWSM (as shown in the Total field). Each call-id represents a call. 22-86 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM OL-20748-01
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