Difference between ISIS process and Interface Authentication

From: Mohammed El-Komy \(moelkomy\) (moelkomy@cisco.com)
Date: Tue Aug 30 2005 - 11:03:21 GMT-3


Guys,

When asked to do for example MD5 authentication on L2 adjancies and
clear text authentication on L1 adjancies....to which way I go for

ISIS process authentication

router isis

 net 49.0134.0000.0000.0001.00

 authentication mode text level-1

 authentication mode md5 level-2

 authentication key-chain CCIE

or

Interface Authentication

interface Ethernet0/0

 ip router isis

 half-duplex

 isis authentication mode text level-1

 isis authentication mode md5 level-2

 isis authentication key-chain CCIE

or do I need to do both of them ???

Regards,

-------------------------------------------------------------------

Mohamed ElKomy

Cisco Systems, Systems Engineer

Office: +2024885300

GSM: +20121022297

FAX: +2024885400

moelkomy@cisco.com



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