SBC Core 6.1.x Documentation
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The Path Check Profile specifies the conditions that constitute a connectivity failure, and in the event of such a failure, the conditions that constitute a connectivity recovery. This section describes the CLI syntax, parameter descriptions and command examples. 

Refer to Path Check Support using SIP OPTIONS Ping for additional feature details.

Note

After updating a Path Check Profile, you must disable and re-enable the pathcheck state at ipPeer level.

Note

Sonus recommends to not configure Path Check Profile and SIP ARS Profile on the same peer to avoid unexpected results. As a general rule, the Path Check Profile is configured on the access leg where there is less traffic, and the ARS Profile is configured on the peer leg where there is continuous traffic. 

Command Syntax

% set profiles services pathCheckProfile <profile name> 
	failureResponseCodes <400-699 | all |all4xx | all5xx | all6xx>
	protocol sipOptions
	recoveryCount <1-10>
	replyTimeoutCount <1-10>
	sendInterval <1-600>
	transportPreference <preference1 | preference2 | preference3 | preference4>

Command Parameters

The Path Check Profile parameters are defined below:

Table : Path Check Profile Parameter

Parameter

Length/Range

Description

pathCheckProfile

1-23

<profile name> – The name of the Path Check Profile.

failureResponseCodes

400-699, or
(all, all4xx, all5xx, all6xx)

Use this parameter to define one or more response codes to treat as failure responses. The options include the following:

  • 400-699 – Enter a single code, or enter multiple codes within square brackets and separating each entry with a space. For example, [409 505 699]
  • all – include all response codes from 400-699
  • all4xx – include all 4xx response codes
  • all5xx – include all 5xx response codes
  • all6xx – include all 6xx response codes


INFO: When you use more than one value, enclose the values in square brackets [ ], separating each value with a space. Entering  a value without using brackets appends the value to the existing configuration.

NOTE: Ensure failureResponseCodes values for Path Check Profile and SIP ARS Profile within the same zone/trunk group use similar values to avoid unexpected behavior. For example, it is not advisable to set Path Check Profile failureResponseCode to "all" and SIP ARS Profile failureResponseCodes to "all4xx" and "all6xx". Refer to SIP ARS Profile - CLI.

protocol

N/A

The ping protocol type used.

  • sipOptions (default)

recoveryCount

1-10

The number of consecutive successful responses to occur before removing the endpoints from the Blacklist. (default = 6)

replyTimeoutCount

1-10

The number of consecutive timeouts to occur before adding the endpoints to the Blacklist. (default = 6)

sendInterval

1-600

Specifies interval (in seconds) in which the PING request will be sent out to the endpoints. (default = 60)

transportPreferenceN/A

Transport preference for sending OPTIONS method.

 

Note: A good practice is to configure separate pathCheckProfiles for each transport type; each profile having only preference1 set. By assigning a pathcheck profile with a transport type matching an ipPeer's transport type, you will ensure that SBC will not send SIP OPTIONS ping over a protocol that a particular ipPeer does not support.

 Possible completions:

  • none
  • sctp
  • tcp
  • tls-tcp
  • udp

 

Defaults by preference:

  • preference1 – Default value is sip-udp
  • preference2 – Default value is sip-tcp
  • preference3 – Default value is tls-tcp
  • preference4 – Default value is sctp


Note: Ensure that the SIP Sig Port transportProtocolsAllowed setting is configured to support the chosen transport preference (see zone sipSigPort - CLI page).

 

Command Examples

This example creates a patch check profile named "PCP-1" with the default ping protocol type "sipOptions", a recovery count of "7" and a send interval of "120" seconds. The reply timeout count is left at the default of "6". Next, the PCP is assigned to "defaultSigZone" zone for default address context using IP address "10.20.120.21".

% set profiles services pathCheckProfile PCP-1 protocol 
	sipOptions recoveryCount 7 sendInterval 120 
% show profiles services pathCheckProfile PCP-1 
	protocol sipOptions; 
	sendInterval 120; 
	recoveryCount 7; 

% set addressContext default zone defaultSigZone ipPeer 
	PEER-1 ipAddress 10.20.120.21 pathCheck profile PCP-1 
	state enabled 
% show addressContext default zone defaultSigZone ipPeer 
	PEER-1 
	ipAddress 10.20.120.21; 
	pathCheck { 
		profile PCP-1; 
		state enabled; 
}

 

To configure a single failureResponseCodes value for a Path Check Profile:

% set profiles services pathCheckProfile PCP_1 failureResponseCodes 404

 

To set multiple failureResponseCodes values:

% set profiles services pathCheckProfile PCP_1 failureResponseCodes [ 404 503 all6xx ]

 

To delete a single failureResponseCodes value:

% delete profiles services pathCheckProfile PCP_1 failureResponseCodes all6xx

 

To delete all failureResponseCodes values:

% delete profiles services pathCheckProfile <pathCheckProfile_name> failureResponseCodes []

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