для Cisco Cisco Tunnel Terminating Gateway (TTG)
GGSN Service Configuration Mode Commands
echo-interval ▀
Command Line Interface Reference, StarOS Release 17 ▄
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Upon the configuration of a new SGSN on the system using the
sgsn address
command as described
in this chapter
Upon the execution of the path failure detection policy as described in
path-failure
command of
this chapter
The echo-interval command is used in conjunction with the
max-retransmissions
and
retransmission-timeout
commands as described in this chapter.
In addition to receiving an echo response for this echo protocol, if GGSN receives a Node Alive Request
message or a Echo Request message from a presumed dead SGSN, it will immediately assume the SGSN is
active again.
If the GGSN discovers that an SGSN has become unresponsive, it will terminate all PDP contexts that had
been established with the SGSN.
message or a Echo Request message from a presumed dead SGSN, it will immediately assume the SGSN is
active again.
If the GGSN discovers that an SGSN has become unresponsive, it will terminate all PDP contexts that had
been established with the SGSN.
Example
The following command configures the GGSN service to send GTP Echo packets every 120 seconds:
echo-interval 120