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New Member

Questions on NTP

I have 3 routers lets say router A,b and c.

Router A is configured to get a reliable clock from an external source(Tardis time server).There are two clients Router B and Router c which gets the time from Router A.Can i configure like this

Router A

ntp server a.b.c.d <a.b.c.d is the ip address of the time server>

Router B

ntp server e.f.g.h <ip address of router A>

Router C

ntp server e.f.g.h <ip address of Router A>

Remember we have not configured ntp master on router A

Pls reply asap

Kindly also provide some troubleshooting tips or links related with NTP?

Thanks

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Questions on NTP

Hi Sudipta,

It should work and it is known as the Hierarchical way when configuring NTP.

Check this link for more details

http://www.oreilly.com/catalog/hardcisco/chapter/ch10.html

HTH

Ankur

3 REPLIES

Re: Questions on NTP

Hi Sudipta,

It should work and it is known as the Hierarchical way when configuring NTP.

Check this link for more details

http://www.oreilly.com/catalog/hardcisco/chapter/ch10.html

HTH

Ankur

Hall of Fame Super Silver

Re: Questions on NTP

Sudipta

I believe that Ankur is correct. Your configuration of NTP should work ok. As long as a router has learned time from an authoritative source (and as long as it is not at the lowest strata) it can serve time to other routers.

You really only need to configure ntp master if you want a router to serve time to other routers and that router has not learned time from an authoritative source.

HTH

Rick

New Member

Re: Questions on NTP

Hi Ankur & Rick

Thanks for your suggestions it worked.

Ankur thanks for the link.

Sudipta

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