From: Derek Fage (DerekF@xxxxxxxxxxx)
Date: Tue Aug 24 1999 - 18:47:15 GMT-3
Hi,
I'm having trouble in getting to grips with NTP autentication.
The commands I initially entered were as follows (R2 is server, R1 is
client):
hostname R2
clock timezone GMT -0
clock timezone BST recurring
ntp authentication-key 1 md5 ccie
ntp master 5
hostname R1
clock timezone GMT -0
clock timezone BST recurring
ntp authentication-key 1 md5 ccie
ntp authenticate
ntp server 192.168.2.10
This caused the client to sync, but I do not think any authentication took
place.
Changing the ntp server command to 'ntp server 192.168.2.10 key 1' causes
the client to never sync. I just keep getting the following debug messages
(when debugging authentication and validity)
Adding the 'ntp trusted 1' to the client seems to get it to synchronise OK
now
So I think I've got it working now, but just wanted to get some feedback if
anybnody thinks I have it wrong.
>From what I understand, all you do is the folowing:
- setup an authentication key on the server and client
- add the ntp authenticate command to the client only
- add the ntp trusted-key command to the client only
- add the key parameter to the ntp server command on the client
Cheers,
Derek (9 days...)
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