Test Commands; Using The Gtpu Test Echo Command - Cisco ASR 5000 Series Administration Manual

▀ Test Commands

Test Commands
In the event that an issue was discovered with an installed application or line card, depending on the severity, it may be
necessary to take corrective action.
The system provides several redundancy and fail-over mechanisms to address issues with application and line cards in
order to minimize system downtime and data loss. These mechanisms are described in the sections that follow.

Using the GTPU Test Echo Command

This command tests the HNB-GW's ability to exchange GPRS Tunneling Protocol user plane (GTP-U) packets with the
specified peer nodes which can be useful in troubleshooting and/or monitoring.
The test is performed by the system sending GTP-U echo request messages to the specified node(s) and waiting for a
response.
I
service is configured.
The command has the following syntax:
Keyword/Variable
The following figure displays a sample of this command's output showing a successful GTPU echo-test from an HNB-
GW service bound to address 192.168.157.32 to an SGSN with an address of 192.168.157.2.
▄ Cisco ASR 5000 Series 3G Home NodeB Gateway Administration Guide
:
MPORTANT
This command must be executed from within the context in which at least one HNB-GW
Description
Specifies the IP address of aninterface configured on the system.
NOTE: The IP address of the system's interface must be bound to a configured HNB-GW
service prior to executing this command.
Specifies that GTP-U echo requests will be sent to all Nodes that currently have sessions with
the HNB-GW service.
Troubleshooting the Service
OL-22991-01