HP ProCurve 7102dl Reference Manual page 445

Secure router sros command line interface

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SROS Command Line Interface Reference Guide

Global Configuration Mode Command Set

Use the ip sip command to enable the SROS SIP stack. When the SIP stack is enabled, memory is

allocated for SIP functionality. For more details on SIP operation, refer to the Technology Review section

of the command ip firewall alg [ftp | h323 | h323 timeout | pptp | sip] on page 399. Use the no form of this

command to disable the SIP stack.

Syntax Description

No subcommands.

Default Value

By default, the SIP stack is disabled. Refer to the Functional Notes section for more details on the default state

of SIP operation in the SROS.

Functional Notes

By default, the SROS SIP ALG is enabled. This ALG allows the firewall to examine the ALL SIP packets it

identifies and maintain knowledge of SIP transmissions on the network based on the SIP header. The SIP

ALG requires the use of the SIP stack and the SIP proxy server in order to properly route SIP calls and

maintain the SIP information. When the SIP ALG is enabled, the SIP stack and SIP proxy server are

automatically enabled. For proper SIP operation, the firewall must also be configured to allow for dynamic

holes for the RTP/RTCP traffic associated with SIP calls between User Agents (UAs). This functionality

must be manually enabled using the ip rtp firewall-traversal command.

To completely disable SIP operation in the SROS, the following commands should be entered: no ip

firewall alg sip, no ip sip, no ip sip proxy, and no ip rtp firewall-traversal. The no ip firewall alg sip

command disables the SIP ALG. The no ip sip command disables the SIP stack and frees all memory

allocated to the stack. The no ip sip proxy command disables the SIP proxy server. This command is not

necessary to disable SIP functionality (because the no ip sip effectively shuts the proxy server down by

disabling the stack), but should be entered for a cleaner configuration.

Usage Examples

The following example enables the SIP stack in the SROS:

ProCurve>enable

ProCurve#config terminal

ProCurve(config)#ip sip

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