[c-nsp] %NTP: Multicast peer 224.0.1.1 does not exist

[Jared Mauch]

Is pim enabled on the interface?

> On Aug 21, 2015, at 3:39 AM, Victor Sudakov <vas at mpeks.tomsk.su> wrote:
> 
> Colleagues,
> 
> A 7206VXR (NPE-G2) is not sending ntp broadcasts nor multicasts, and I
> even cannot recofigure ntp settings on an interface (see below). 
> 
> Any idea what the problem could be? 
> 
> "debug ntp packet|events" does not show anything of interest. tcpdump
> shows that the router is simply not sending any NTP packets out
> GigabitEthernet0/2. Google does not even know the phrase "Cannot
> reconfigure the multicast peer", nor does cisco.com/search
> 
> 
> gw2(config-if)#do sh run int GigabitEthernet0/2
> Building configuration...
> 
> Current configuration : 428 bytes
> !
> interface GigabitEthernet0/2
> [dd]
> ntp broadcast key 2 destination 10.14.141.255
> ntp broadcast key 2
> ntp multicast key 2 ttl 1
> end
> 
> gw2(config-if)#no  ntp multicast key 2 ttl 1
> %NTP: Multicast peer 224.0.1.1 does not exist
> gw2(config-if)#no ntp multicast
> %NTP: Multicast peer 224.0.1.1 does not exist
> gw2(config-if)#ntp multicast key 2 ttl 6
> %NTP: Cannot reconfigure the multicast peer.
> gw2(config-if)#ntp multicast ?
>  A.B.C.D     Multicast group IP address
>  X:X:X:X::X  Multicast group IPv6 address
>  client      Listen to NTP multicasts
>  key	      Configure multicast authentication key
>  ttl	      TTL of the multicast packet
>  version     Configure NTP version
>  <cr>
> 
> gw2(config-if)#ntp multicast 224.0.1.1 ?
>  key	   Configure multicast authentication key
>  ttl	   TTL of the multicast packet
>  version  Configure NTP version
>  <cr>
> 
> gw2(config-if)#ntp multicast 224.0.1.1 ttl 6
> %NTP: Cannot reconfigure the multicast peer.
> gw2(config-if)#
> 
> -- 
> Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
> sip:sudakov at sibptus.tomsk.ru
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