On 12/8/2011 11:18 PM, rakesh v wrote:
> Hi Danny,
> Have you got a chance to go through the code for this?
> Here though the socket bind is failing the multicast registration is
> happening successfully (which are shown by the debug traces here.)
> Does that have anything to infer here?
> 

Sorry, no. I've been at a conference almost all week and I've only been
dealing with work related issues outside of the conference.

Danny

> 
> 
> 
>>
>> On Thu, Dec 8, 2011 at 9:58 AM, Danny Mayer <[email protected]> wrote:
>>>
>>> On 12/7/2011 11:15 PM, rakesh v wrote:
>>>> Thanks for your inputs Danny.
>>>>
>>>> Hi Dave,
>>>> Can you give your inputs on this below issue?
>>>> Is the socket bind failing due to the reuse of the udp port 123. But I
>>>> assume for ntp multicast client also we use the same port for listening.
>>>> Or Is it due to some other issue?
>>>>
>>>
>>> I think it is trying to bind to the incorrect address but I'd have to
>>> look carefully at the code to figure out exactly what is going on.
>>>
>>> Danny
>>>
>>>>
>>>>
>>>> On Wed, Dec 7, 2011 at 6:34 PM, Danny Mayer <[email protected]
>>>> <mailto:[email protected]>> wrote:
>>>>
>>>>     On 12/7/2011 4:53 AM, rakesh v wrote:
>>>>     > Hi Danny,
>>>>     > Actually I ran the ntpd with Debug option before with a downloaded
>>>>     > source code (ntp-4.26p4).
>>>>     >
>>>>     >
>>>>     > These are the logs Iam seeing on the client side...
>>>>     >
>>>>     > /6 Dec 06:11:52 ntpd[2884]: set_process_priority: Leave priority
>>>>     alone:
>>>>     > priority_done is <2>/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: proto: precision = 0.208 usec/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: ntp_io: estimated max descriptors:
>>>> 1024,
>>>>     > initial socket boundary: 16/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen and drop on 0 v4wildcard
>>>>     0.0.0.0 UDP
>>>>     > 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen and drop on 1 v6wildcard ::
>>>>     UDP 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 2 lo 127.0.0.1 UDP
>>>>     123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 3 eth1 10.16.34.6
>>>>     UDP 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 4 lo ::1 UDP 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 5 eth2 2000::2 UDP
>>>>     123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 6 eth1
>>>>     > fe80::a00:27ff:fe68:7b4c UDP 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listen normally on 7 eth2
>>>>     > fe80::a00:27ff:fe38:605 UDP 123/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: peers refreshed/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Listening on routing socket on fd #24
>>>> for
>>>>     > interface updates/
>>>>     > / *6 Dec 06:11:52 ntpd[2884]: bind(25) AF_INET6 ff02::101#123
>>>>     > (multicast) flags 0x0 failed: Invalid argument*/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: multicast address ff02::101 using
>>>>     wildcard
>>>>     > interface #1 v6wildcard/
>>>>     > / 6 Dec 06:11:52 ntpd[2884]: Joined :: socket to multicast group
>>>>     ff02::101/
>>>>     > /
>>>>     > /
>>>>     > Actually Iam able to see only one Broadcast packet being received
>>>> on
>>>>     > client side in wireshark. Packets are not received.
>>>>     > Here Iam not sure why the socket bind is failing for ntpd? Any
>>>>     inputs on
>>>>     > this?
>>>>
>>>>     That sounds like a bug. I haven't looked at that area of the code
>>>>     recently but being unable to bind to the socket would prevent it
>>>>     receiving packets. Dave Hart has touched this area recently may will
>>>>     likely know more. I do remember some issues with multicast but I
>>>> don't
>>>>     remember this one.
>>>>
>>>>     Danny
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Thanks & Regs,
>>>> Rakesh
>>>>
>>>>
>>>
>>
>>
>>
>> --
>>
>>
>>
>>
>> --
>> Regs,
>> Rakesh Vanam
>> +91 9900 024 002
>>
>>
>>
>>
>> --
>>
> 
> 
> 

_______________________________________________
questions mailing list
[email protected]
http://lists.ntp.org/listinfo/questions

Reply via email to