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Convert back message-digest-key password

Hi Expert,

We have router which already configure long time ago by someone. And for some reason, we need to change some routing configuration for this router. Since this router use "ip ospf message-digest-key md5", how to know the password that have been use before ? We plan only to change this routing on one-side only. Please help.

1 REPLY

Re: Convert back message-digest-key password

Hi Aku,

To enable Open Shortest Path First (OSPF) Message Digest 5 (MD5) authentication, use the ip ospf message-digest-key md5 command in interface configuration mode. To remove an old MD5 key, use the no form of this command.

#ip ospf message-digest-key key-id* encryption-type** md5 key***

#no ip ospf message-digest-key key-id*

*key-id:An identifier in the range from 1 to 255.

**encryption-type:Specifies the encryption level. The range is from 0 to 7. 0 specifies no encryption. 7 specifies a proprietary level of encryption.

***key:Alphanumeric password of up to 16 bytes.

If you know the Key-id, you can disable the status.

Hope it will help you. Thanks Goutam

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