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Conﬁgure IP Trunk 3.01 (and later) data in TM 3.1 249

Check the Enable SNMP traps check box to enable sending of

SNMP traps to the SNMP trap destinations that appear in the list.

Enter at least one SNMP trap destination IP address if this option is

checked. The SNMP trap destination IP addresses determine where

event and alarm messages are sent

Refer to "Conﬁgure TM 3.1 Alarm Management to receive SNMP

traps from the IP trunk cards" (page 277) to conﬁgure TM 3.1 Alarm

Notiﬁcation to monitor SNMP traps for IP trunk cards.

Enter the SNMP trap destination IP address in the IP Address ﬁeld.

The subnet mask for the IP address of the trap destination must

always be conﬁgured as 255.255.255.255.(This subnet mask

conﬁguration forces a host route entry).

WARNING

Do not enter the actual value of the subnet mask on the

network interface of the SNMP trap destination. Doing so

can cause misrouting of RTP media and signaling, leading

to no speech path between the IP Phones and the cards.

Click Add. The new IP address and subnet mask appears in the

SNMP Manager IP address list.

Enter SNMP trap destination IP addresses for TM 3.1 PCs on local

and remote subnets and any other SNMP manager PCs for alarm

monitoring:

• local or remote TM 3.1 PC

•

PPP IP address conﬁgured in the router on the ELAN subnet for

the remote support TM 3.1 PC

•

SNMP manager for remote alarm monitoring

All TM 3.1 PCs must have the Alarm Notiﬁcation feature.

Up to eight SNMP trap destinations can be deﬁned.

In the next step, add the SNMP trap IP addresses for remote subnets

in the Card Routing Table entries IP address ﬁeld.

Conﬁgure the Card routing table entries.

Enter the IP address and subnet mask for management hosts on

remote subnets, such as SNMP manager, Radius accounting server,

Management PC, Telnet and FTP clients. Click Add. In a later step,

this information is transmitted to each IP trunk card.

Nortel Communication Server 1000

IP Trunk Fundamentals

NN43001-563 02.01 Standard

Release 5.5 21 December 2007