Avaya Nortel Communication Server 1000 Manual page 131

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The two peg counts give an indication of the interaction this LTPS is having
with the Echo Server. It is not a direct sign of the health of the Echo
Server; network conditions for IP Phones registered to this LTPS may be
preventing communication with this Echo Server while another LTPS IP
Phones have no problem. The echoServerShow command output can
help to understand why a particular IP Phone registered to a LTPS may be
having difficulties or helps to uncover patterns of communication problems
between IP Phones and Echo Servers.
A sample output is shown in
(page
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— (node IP, this card) – the IP address used is the Node IP address;
the Echo Server is active on this card because it is the node master.
— (node IP, other card) – the IP address used is the Node IP address,
but another card is currently the Node master; the Echo Server is
not active on this card.
— (not this card) – the IP address is not the card TLAN IP address or
the Node IP address; the Echo Server is not active on this card.
LTPS request sent – the number of Resolve Port Mapping Request
messages sent from the LTPS to IP Phones, with this Echo Server
identified as the one to contact.
Failed resp rec.d – the number of Resolve Port Mapping Ack
messages received from the IP Phones that had the public IP address
and port configured as 0.0.0.0:0000. Each increment of this counter
indicates an IP Phone never received the Discover Port Mapping Ack
response from the Echo Server (all 10 attempts failed).
132).
Nortel Communication Server 1000
IP Line Fundamentals
NN43100-500 02.02 Standard
Release 5.5 4 February 2008
Figure 35 "echoServerShow sample output"
NAT Traversal feature 131