[c-nsp] ntp configuration

[Kirill Bychkov]

Thank you for reply.
I write ip address of ntp server, not name server.
I found this CSCsx21595. At the document is written about BVI and loopback
interfaces, but I have a just FastEthernet.
I'll try to downgrade ios.


On 18 November 2013 17:53, Chris Marget <chris at marget.com> wrote:

> On Mon, Nov 18, 2013 at 2:31 AM, Kirill Bychkov <kirill.bychkov at gmail.com>wrote:
>
>>
>> ntp peer <IP ADDRESS>
>> Sometimes, after turnoff power, this line disappears from configuration.
>>
>
> I've seen similar behavior on IOS 12.x when the router is configured with
> 'ntp server <name>'
>
> The problem there is that if DNS fails (because, say, we're waiting for
> DHCP to tell us about a DNS server), the line is skipped at boot time.
>
> startup-config still retails the configuration, but it does not appear in
> running-config. A 'wr mem' at this point wipes it out from the startup
> configuration as well.
>
> IOS 15.x tries to resolve DNS names repeatedly, so it's no problem there.
>
> CSCtw45592 describes the problem.
>
> Perhaps it is related? I've not explored the implications of configuring
> 'ntp peer' when 'ntp server' is missing.
>
> /chris
>