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The Path Check Ping mechanism verifies peer-to-peer connectivity between the SBC and a target IP. The SBC supports the following path check functionality using ICMP ping: The SBC accepts the following SIP UA interface parameters: Destination ping address for the session Interface and the corresponding interface group that transmits the ping packets Profile name that identifies the Reporting address tag that identifies which SIP signaling peer is associated with the ping session Zone ID that identifies the zone to which the signaling peer belongs The source ping address is optional since the IP address associated with the interface can be used when not provided. Create User ACL for ICMP if supporting more than 50 sessions. Configure static routes to reach the target IP address from the interface through which the ICMP pings are generated.pathCheckProfile
that is used with that session
Perform the following steps to configure path check path using ICMP ping:
To configure the static routes to reach the target IP from interface, execute the following command:
% set addressContext default staticRoute 10.54.80.155 32 10.54.114.1 LIF1 lif_eth2 preference 100 % commit
To configure the pathCheckProfile
, execute the following command:
% set profiles services pathCheckProfile TP1 protocol icmp replyTimeout 5 sendInterval 10 failureResponseCodes all4xx recoveryCount 1 replyTimeoutCount 10 transportPreference preference1 tcp preference2 udp % commit
% set system pathCheckPath PATH1 sourceIpAddress 10.54.114.156 targetIpAddress 10.54.80.155 reportSignalIpAddress 10.54.80.156 reportSignalIpPort 3456 pathCheckProfile TP1 zone INTERNAL ipInterface lif_eth2 addressContext default ipInterfaceGroup LIF1 state enabled % commit
The user ACL for ICMP must be created if there are more than 50 sessions. To create the user ACL, execute the following command:
For IPv4:
% set addressContext default ipAccessControlList rule Rule1 action accept protocol icmp fillRate 300 bucketSize 50 precedence 1 state enabled % commit
For IPv6:
% set addressContext default ipAccessControlList rule Rule1 action accept protocol icmpv6 fillRate 300 bucketSize 50 precedence 1 state enabled % commit
To view the ICMP protocol, enter the following command:
> show table addressContext default ipAccessControlList rule test precedence 1; protocol icmp; action accept; fillRate 300; bucketSize 50; state enabled; aggregatePolicer OPERATOR; [ok]