Overview of Routing Protocol Authentication for EIGRP and OSPF


Routing protocol authentication should also be configured for other routing protocols such as EIGRP and OSPF. For details on routing protocol authentication for EIGRP and OSPF, refer to CCNP2: Implementing Secure Converged Wide-area Networks.

EIGRP
The figure shows the commands used to configure routing protocol authentication for EIGRP on router R1. These commands are very similar to the ones you used for RIPv2 MD5 authentication. The steps to configure EIGRP routing protocol authentication on router R1 are as follows:
Step 1. The top highlighted area shows how to create a key chain to be used by all routers in your network. These commands create a key chain named EIGRP_KEY and places your terminal in keychain configuration mode, a key number of 1 and a key string value of cisco.
Step 2. The bottom highlighted area shows how to enable MD5 authentication in EIGRP packets traversing an interface.

OSPF
The figure shows the commands used to configure routing protocol authentication for OSPF on router R1 on interface S0/0/0. The first command specifies the key that will be used for MD5 authentication. The next command enables MD5 authentication.

1 comments:

Luis Portugal on February 10, 2009 at 4:57 PM said...

Hello
It has a nice blog.
Sorry not write more, but my English is bad writing.
A hug from my country, Portugal

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