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NTP config ntp authenticate key md5 trusted-key
tags : NTP config ntp authenticate key md5 trusted-key
Hi Petr, Thanks for your reply. Got it this time.
Petr Lapukhov (9/4/06 12:20 PM): > >Hi Angelo, > >with "ntp server x.x.x.x key x" "poll" means that client is actively sending >queries >to server, encapsulating key number in NTP packets, and uses response >packets >to sync local clock. ...
Nope. For what you want to do, you need:
Server: ntp authentication-key 1 md5 CISCO1 ntp authentication-key 2 md5 CISCO2 ntp authentication-key 3 md5 CISCO3 ntp master 4
Client1: ntp authentication-key 2 md5 CISCO2
ntp trusted-key 2 ntp authenticate ntp clock-period 17179828 ntp server 1.1.1.1 key 1
:-)
Cheers,
Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
Technical Instructor - IPexpert, Inc.
Telephone: +1.810.326.1444
Fax: +1.810.454.0130
Mailto: jscrivener@ipexpert.com
_____
From: Radioactive Frog [mailto:pbhatkoti@gmail.com] Sent: Saturday, 3 January 2009 9:24 PM To: Mr.M Cc: John Edom; Jared Scrivener; Eric Brouwers; GS; Ed Man Subject: Re: NTP Server
Interesting.....
What will happen in below scenario?
Server: ntp authentication-key 1 md5 CISCO1 ntp authentication-key 2 md5 CISCO2 ntp authentication-key 3 md5 CISCO3 ntp trusted-key 2 wrote:
Kewl....thanks for getting back. ...
Eric, I don't know if that is correct statement. Please refer to cisco website below and look at step 4.
http://www.cisco.com/univercd/cc/td/doc/product/netsec/secmgmt/asdmhelp/5_0procs/conf-ips/ntpserv.htm
Also I dont' see from internetworkexpert states that this command using only on client. ...
...ntp authentication-key 1 md5 cisco sw1 ntp authentication-key 1 md5 02050D480809 7 ntp trusted-key 1 ntp server 144.44.1.1 key 1 SW1(config...
...terminal R1(config)# ntp authenticate R1(config)# ntp authentication-key 10 md5 ThereIsTimeForEverything R1(config)# ntp trusted-key 10...
...ntp authenticate ... ntp authentication-key 1 md5 CISCO ... ntp trusted-key 1 ... ntp server 1.2.3.4 key 1 Server: ntp authentication-key 1 md5...
...ntp authentication-key 41 md5 CISCO41 ... ntp authenticate ... ntp trusted-key 16 ... ntp trusted-key 41 ... ntp peer 155.1.146.6 key 16 ... ntp...