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    Configuring the SNMP Server on the JunosE Router

    Access to the SNMP server on the router by an SNMP client is governed by a proprietary SNMP community table. This table identifies communities that have read-only, read-write, or administrative permission to the SNMP Management Information Base (MIB) stored on a particular server.

    When an SNMP server receives a request, the server extracts the client’s IP address and the community name. The SNMP server searches the community table for a matching community.

    • If a match is found, its access list name is used to validate the IP address.
      • If the access list name is null, the IP address is accepted.
      • If an invalid IP address results, an SNMP authentication error is sent to the SNMP client.
    • If a match is not found, an SNMP authentication error results.

    To configure the SNMP agent on the JunosE router:

    1. Switch to the virtual router for which you want to create an SRC client.
      host1#(config)virtual-router <vrName>
    2. Enable the SNMP agent.
    3. Configure at least one authorized SNMP read-write community (SNMPv1/v2c), which provides SNMP client access.
      host1:<vrName>#(config)snmp-server community boston rw
    4. (Optional) Configure a read-only community.
      host1:<vrName>#(config)snmp-server public ro

    Published: 2014-06-12