
6-2
Cisco 6400 Software Setup Guide
OL-1183-04
Chapter6 SNMP, RMON, and Alarm Configuration
Simple Network Management Protocol
Note The SNMPv3 Proxy Forwarder feature was introduced in Cisco IOS Releases 12.1(4)DB and 12.1(4)DC
for the node route processor 2 (NRP-2). The feature is not supported in earlier releases or by the node
route processor 1 (NRP-1).
To configure the Proxy Forwarder feature, complete the following tasks:
• Task 1: Configuring the NSP as the Proxy Forwarder
• Task 2: Configuring the NRP-2 to Use the NSP as the Proxy Forwarder
Task 1: Configuring the NSP as the Proxy Forwarder
To enable the NSP to act as the proxy forwarder for the NRP-2s in the Cisco 6400 chassis, enter the
following NSP commands in global configuration mode:
When you complete the previous steps, the NSP automatically generates snmp-server user and
snmp-server group commands in the configuration.
Each time the NSP reloads or you insert an NRP-2 into the chassis, the NSP automatically generates
snmp-server engineID commands in the configuration.
Note Do not modify or delete the automatically generated commands, because doing so may prevent SNMP
from working properly.
Example
In the following example, the NSP is configured to act as the proxy forwarder:
snmp-server group usmgrp v3 noauth
snmp-server user usmusr usmgrp v3
snmp-server forwarder
snmp-server host 10.100.100.100 vrf 6400-private version 3 noauth trapusr
The previous commands cause the NSP to automatically generate the following commands:
snmp-server engineID remote 10.3.0.2 vrf 6400-private 80000009030000107BA9C7A0
snmp-server user trapusr trapusr v3
snmp-server user trapusr trapusr remote 10.3.0.2 vrf 6400-private v3
snmp-server user usmusr usmgrp remote 10.3.0.2 vrf 6400-private v3
snmp-server group trapusr v3 noauth notify *tv.FFFFFFFF.FFFFFFFF
Command (Entered on the NSP) Purpose
Step1
Switch(config)# snmp-server group groupname v3 noauth
Configures a new SNMPv3 group.
Step2
Switch(config)# snmp-server user username groupname v3
Configures a new user to an SNMPv3 group. Make
sure that you use the same groupname in Steps 1
and 2.
Step3
Switch(config)# snmp-server forwarder
Enables the NSP SNMPv3 proxy forwarder.
Step4
Switch(config)# snmp-server host host-address
vrf 6400-private version 3 noauth username
Specifies the recipient of NRP-2 SNMPv3 trap
messages.
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