ip DNS server timouts but sometimes it's working & always works form the router itself.

ip DNS server timouts but sometimes it's working & always works form the router itself.
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Subject Author Date
ip DNS server timouts but sometimes it's working & always works form the router itself. Steven V.A. 08-10-2008
Posted by Steven V.A. on August 10, 2008, 3:22 pm
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Hi Group,

I have come across something I can't solve.

When using my Cisco as dns forwarder, DNS is just plain slow from my
PC, even when using openDNS in the Cisco (model 857)

Code:

C:\Documents and Settings\Steven>nslookup www.tweakers.net 192.168.1.1
Server: cisco-steventje
Address: 192.168.1.1

DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
Name: www.tweakers.net
Address: 213.239.154.35


... 2 seconds delay on almost every query. :(

I searched a bit further:

Increasing the deay to even 40 seconds...don't even get an answer;

C:\Documents and Settings\Steven>nslookup -time=40 www.tweakers.net
192.168.1.1
Server: cisco-steventje
Address: 192.168.1.1

DNS request timed out.
timeout was 40 seconds.
DNS request timed out.
timeout was 40 seconds.
*** Request to cisco-steventje timed-out

on my cisco "enabled ip domain debug"

This gives:

It looks almost if the cisco doens't get its response and kees trying,
and at he end ignores all the incoming queries.


<191>569: 000564: Aug 10 21:14:34.442 GMT+2: DNS: Incoming UDP query
(id#1)
<191>570: 000565: Aug 10 21:14:34.442 GMT+2: DNS: Type 12 DNS query
(id#1) for host '1.1.168.192.in-addr.arpa' from 192.168.1.2(2148)
<190>571: 000566: Aug 10 21:14:34.442 GMT+2: %DNS-6-LOG_ACCESS: DNS
View default used for client 192.168.1.2/2148, querying PTR
'1.1.168.192.in-addr.arpa'
<191>572: 000567: Aug 10 21:14:34.442 GMT+2: DNS: Servicing request
using view default
<191>573: 000568: Aug 10 21:14:34.442 GMT+2: DNS: Finished processing
query (id#1) in 0.000 secs
<191>574: 000569: Aug 10 21:14:34.442 GMT+2: DNS: Sending response to
192.168.1.2/2148, len 71
<191>575: 000570: Aug 10 21:14:34.450 GMT+2: DNS: Incoming UDP query
(id#2)
<191>576: 000571: Aug 10 21:14:34.450 GMT+2: DNS: Type 1 DNS query
(id#2) for host 'www.tweakers.net' from 192.168.1.2(2149)
<190>577: 000572: Aug 10 21:14:34.450 GMT+2: %DNS-6-LOG_ACCESS: DNS
View default used for client 192.168.1.2/2149, querying A
'www.tweakers.net'
<191>578: 000573: Aug 10 21:14:34.450 GMT+2: DNS: Servicing request
using view default
<191>579: 000574: Aug 10 21:14:34.450 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.220
<191>580: 000575: Aug 10 21:14:38.078 GMT+2: DNS: Resending query id
#2
<191>581: 000576: Aug 10 21:14:38.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.220
<191>582: 000577: Aug 10 21:14:41.078 GMT+2: DNS: Resending query id
#2
<191>583: 000578: Aug 10 21:14:41.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.220
<191>584: 000579: Aug 10 21:14:44.078 GMT+2: DNS: Resending query id
#2
<191>585: 000580: Aug 10 21:14:44.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.222
<191>586: 000581: Aug 10 21:14:47.078 GMT+2: DNS: Resending query id
#2
<191>587: 000582: Aug 10 21:14:47.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.222
<191>588: 000583: Aug 10 21:14:50.078 GMT+2: DNS: Resending query id
#2
<191>589: 000584: Aug 10 21:14:50.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 208.67.220.222
<191>590: 000585: Aug 10 21:14:53.078 GMT+2: DNS: Resending query id
#2
<191>591: 000586: Aug 10 21:14:53.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.36
<191>592: 000587: Aug 10 21:14:56.078 GMT+2: DNS: Resending query id
#2
<191>593: 000588: Aug 10 21:14:56.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.36
<191>594: 000589: Aug 10 21:14:59.078 GMT+2: DNS: Resending query id
#2
<191>595: 000590: Aug 10 21:14:59.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.36
<191>596: 000591: Aug 10 21:15:02.078 GMT+2: DNS: Resending query id
#2
<191>597: 000592: Aug 10 21:15:02.078 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.37
<191>598: 000593: Aug 10 21:15:05.094 GMT+2: DNS: Resending query id
#2
<191>599: 000594: Aug 10 21:15:05.094 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.37
<191>600: 000595: Aug 10 21:15:08.094 GMT+2: DNS: Resending query id
#2
<191>601: 000596: Aug 10 21:15:08.094 GMT+2: DNS: Re-sending DNS query
(type 1, id#59263) to 83.143.245.37
<191>602: 000597: Aug 10 21:15:11.094 GMT+2: DNS: Removed waiting
query id #2
<191>603: 000598: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
(id#3)
<191>604: 000599: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>605: 000600: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>606: 000601: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>607: 000602: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>608: 000603: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>609: 000604: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>610: 000605: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>611: 000606: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>612: 000607: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>613: 000608: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>614: 000609: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>615: 000610: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
(id#59263)
<191>616: 000611: Aug 10 21:15:14.470 GMT+2: DNS: Type 1 DNS query
(id#3) for host 'www.tweakers.net' from 192.168.1.2(2150)
<190>617: 000612: Aug 10 21:15:14.470 GMT+2: %DNS-6-LOG_ACCESS: DNS
View default used for client 192.168.1.2/2150, querying A
'www.tweakers.net'
<191>618: 000613: Aug 10 21:15:14.474 GMT+2: DNS: Servicing request
using view default
<191>619: 000614: Aug 10 21:15:14.474 GMT+2: DNS: Re-sending DNS query
(type 1, id#7734) to 208.67.220.220
<191>620: 000615: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
<191>621: 000616: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
<191>622: 000617: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
<191>623: 000618: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
<191>624: 000619: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
<191>625: 000620: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
<191>626: 000621: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
<191>627: 000622: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
<191>628: 000623: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
<191>629: 000624: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
<191>630: 000625: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
<191>631: 000626: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
<191>632: 000627: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
<191>633: 000628: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
<191>634: 000629: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
<191>635: 000630: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
<191>636: 000631: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
<191>637: 000632: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
<191>638: 000633: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
<191>639: 000634: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.37(53) - doesn't match a query
<191>640: 000635: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
<191>641: 000636: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.37(53) - doesn't match a query
<191>642: 000637: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
(id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
<191>643: 000638: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.37(53) - doesn't match a query


When doeing a ping on the router it works just fine (instantly!)
Code:

Steventje#ping tweakers.net
Translating "tweakers.net"...domain server (208.67.220.220) [OK]

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 213.239.154.35, timeout is 2
seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/16/20
ms
Steventje#


Bypassing the cisco's dns forwarder, gives instand dns lookups from my
PC, so I guess it's not Windows...
code:

C:\Documents and Settings\Steven>nslookup www.tweakers.net
Server: resolver1.opendns.com
Address: 208.67.222.222

Non-authoritative answer:
Name: www.tweakers.net
Address: 213.239.154.35


Can you help me?
Couldnt' find anyone else with the same problem.
Will post cisco config if needed - rather standard dns config (but my
post is already very long)
Thanks in advance everyone!!

Steven.


NMFall 20%
Posted by Steven V.A. on August 10, 2008, 3:34 pm
If you were  Registered and logged in, you could reply and use other advanced thread options


On Sun, 10 Aug 2008 19:22:35 GMT, me@privacy.net (Steven V.A.) wrote:


One more thing I noticed:

Increasing the timeout on the Windows box just increases the lookup
time, as if it follows nicely :(

Specified 10s timeout >>>>>>> C:\>nslookup -time=10 tweakers.net
192.168.1.1
Server: cisco-steventje
Address: 192.168.1.1

DNS request timed out.

See what I mean >>>>>>>>>>>>>>>>>> timeout was 10 seconds.
Non-authoritative answer:
Name: tweakers.net
Address: 213.239.154.35


Debug log is the same as 1st post (just a bit shorter)

Greetings,
Steven



Posted by Thrill5 on August 12, 2008, 9:29 pm
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I'll suspect that one of the DNS servers that you send the 857 forwards the
queries to is not responding.

Why are you doing DNS forwarding?

> Hi Group,
>
> I have come across something I can't solve.
>
> When using my Cisco as dns forwarder, DNS is just plain slow from my
> PC, even when using openDNS in the Cisco (model 857)
>
> Code:
>
> C:\Documents and Settings\Steven>nslookup www.tweakers.net 192.168.1.1
> Server: cisco-steventje
> Address: 192.168.1.1
>
> DNS request timed out.
> timeout was 2 seconds.
> Non-authoritative answer:
> Name: www.tweakers.net
> Address: 213.239.154.35
>
>
> ... 2 seconds delay on almost every query. :(
>
> I searched a bit further:
>
> Increasing the deay to even 40 seconds...don't even get an answer;
>
> C:\Documents and Settings\Steven>nslookup -time=40 www.tweakers.net
> 192.168.1.1
> Server: cisco-steventje
> Address: 192.168.1.1
>
> DNS request timed out.
> timeout was 40 seconds.
> DNS request timed out.
> timeout was 40 seconds.
> *** Request to cisco-steventje timed-out
>
> on my cisco "enabled ip domain debug"
>
> This gives:
>
> It looks almost if the cisco doens't get its response and kees trying,
> and at he end ignores all the incoming queries.
>
>
> <191>569: 000564: Aug 10 21:14:34.442 GMT+2: DNS: Incoming UDP query
> (id#1)
> <191>570: 000565: Aug 10 21:14:34.442 GMT+2: DNS: Type 12 DNS query
> (id#1) for host '1.1.168.192.in-addr.arpa' from 192.168.1.2(2148)
> <190>571: 000566: Aug 10 21:14:34.442 GMT+2: %DNS-6-LOG_ACCESS: DNS
> View default used for client 192.168.1.2/2148, querying PTR
> '1.1.168.192.in-addr.arpa'
> <191>572: 000567: Aug 10 21:14:34.442 GMT+2: DNS: Servicing request
> using view default
> <191>573: 000568: Aug 10 21:14:34.442 GMT+2: DNS: Finished processing
> query (id#1) in 0.000 secs
> <191>574: 000569: Aug 10 21:14:34.442 GMT+2: DNS: Sending response to
> 192.168.1.2/2148, len 71
> <191>575: 000570: Aug 10 21:14:34.450 GMT+2: DNS: Incoming UDP query
> (id#2)
> <191>576: 000571: Aug 10 21:14:34.450 GMT+2: DNS: Type 1 DNS query
> (id#2) for host 'www.tweakers.net' from 192.168.1.2(2149)
> <190>577: 000572: Aug 10 21:14:34.450 GMT+2: %DNS-6-LOG_ACCESS: DNS
> View default used for client 192.168.1.2/2149, querying A
> 'www.tweakers.net'
> <191>578: 000573: Aug 10 21:14:34.450 GMT+2: DNS: Servicing request
> using view default
> <191>579: 000574: Aug 10 21:14:34.450 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.220
> <191>580: 000575: Aug 10 21:14:38.078 GMT+2: DNS: Resending query id
> #2
> <191>581: 000576: Aug 10 21:14:38.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.220
> <191>582: 000577: Aug 10 21:14:41.078 GMT+2: DNS: Resending query id
> #2
> <191>583: 000578: Aug 10 21:14:41.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.220
> <191>584: 000579: Aug 10 21:14:44.078 GMT+2: DNS: Resending query id
> #2
> <191>585: 000580: Aug 10 21:14:44.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.222
> <191>586: 000581: Aug 10 21:14:47.078 GMT+2: DNS: Resending query id
> #2
> <191>587: 000582: Aug 10 21:14:47.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.222
> <191>588: 000583: Aug 10 21:14:50.078 GMT+2: DNS: Resending query id
> #2
> <191>589: 000584: Aug 10 21:14:50.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 208.67.220.222
> <191>590: 000585: Aug 10 21:14:53.078 GMT+2: DNS: Resending query id
> #2
> <191>591: 000586: Aug 10 21:14:53.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.36
> <191>592: 000587: Aug 10 21:14:56.078 GMT+2: DNS: Resending query id
> #2
> <191>593: 000588: Aug 10 21:14:56.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.36
> <191>594: 000589: Aug 10 21:14:59.078 GMT+2: DNS: Resending query id
> #2
> <191>595: 000590: Aug 10 21:14:59.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.36
> <191>596: 000591: Aug 10 21:15:02.078 GMT+2: DNS: Resending query id
> #2
> <191>597: 000592: Aug 10 21:15:02.078 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.37
> <191>598: 000593: Aug 10 21:15:05.094 GMT+2: DNS: Resending query id
> #2
> <191>599: 000594: Aug 10 21:15:05.094 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.37
> <191>600: 000595: Aug 10 21:15:08.094 GMT+2: DNS: Resending query id
> #2
> <191>601: 000596: Aug 10 21:15:08.094 GMT+2: DNS: Re-sending DNS query
> (type 1, id#59263) to 83.143.245.37
> <191>602: 000597: Aug 10 21:15:11.094 GMT+2: DNS: Removed waiting
> query id #2
> <191>603: 000598: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
> (id#3)
> <191>604: 000599: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>605: 000600: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>606: 000601: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>607: 000602: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>608: 000603: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>609: 000604: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>610: 000605: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>611: 000606: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>612: 000607: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>613: 000608: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>614: 000609: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>615: 000610: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query
> (id#59263)
> <191>616: 000611: Aug 10 21:15:14.470 GMT+2: DNS: Type 1 DNS query
> (id#3) for host 'www.tweakers.net' from 192.168.1.2(2150)
> <190>617: 000612: Aug 10 21:15:14.470 GMT+2: %DNS-6-LOG_ACCESS: DNS
> View default used for client 192.168.1.2/2150, querying A
> 'www.tweakers.net'
> <191>618: 000613: Aug 10 21:15:14.474 GMT+2: DNS: Servicing request
> using view default
> <191>619: 000614: Aug 10 21:15:14.474 GMT+2: DNS: Re-sending DNS query
> (type 1, id#7734) to 208.67.220.220
> <191>620: 000615: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
> <191>621: 000616: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.220(53) - doesn't match a query
> <191>622: 000617: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
> <191>623: 000618: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.220(53) - doesn't match a query
> <191>624: 000619: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.220(53)
> <191>625: 000620: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.220(53) - doesn't match a query
> <191>626: 000621: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
> <191>627: 000622: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.222(53) - doesn't match a query
> <191>628: 000623: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
> <191>629: 000624: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.222(53) - doesn't match a query
> <191>630: 000625: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 208.67.220.222(53)
> <191>631: 000626: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 208.67.220.222(53) - doesn't match a query
> <191>632: 000627: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
> <191>633: 000628: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
> 83.143.245.36(53) - doesn't match a query
> <191>634: 000629: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
> <191>635: 000630: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
> 83.143.245.36(53) - doesn't match a query
> <191>636: 000631: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.36(53)
> <191>637: 000632: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
> 83.143.245.36(53) - doesn't match a query
> <191>638: 000633: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
> <191>639: 000634: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
> 83.143.245.37(53) - doesn't match a query
> <191>640: 000635: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
> <191>641: 000636: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
> 83.143.245.37(53) - doesn't match a query
> <191>642: 000637: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response
> (id#59263) for host <www.tweakers.net> from 83.143.245.37(53)
> <191>643: 000638: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
> 83.143.245.37(53) - doesn't match a query
>
>
> When doeing a ping on the router it works just fine (instantly!)
> Code:
>
> Steventje#ping tweakers.net
> Translating "tweakers.net"...domain server (208.67.220.220) [OK]
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 213.239.154.35, timeout is 2
> seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 16/16/20
> ms
> Steventje#
>
>
> Bypassing the cisco's dns forwarder, gives instand dns lookups from my
> PC, so I guess it's not Windows...
> code:
>
> C:\Documents and Settings\Steven>nslookup www.tweakers.net
> Server: resolver1.opendns.com
> Address: 208.67.222.222
>
> Non-authoritative answer:
> Name: www.tweakers.net
> Address: 213.239.154.35
>
>
> Can you help me?
> Couldnt' find anyone else with the same problem.
> Will post cisco config if needed - rather standard dns config (but my
> post is already very long)
> Thanks in advance everyone!!
>
> Steven.
>



Posted by Steven V.A. on August 14, 2008, 4:33 am
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wrote:

>I'll suspect that one of the DNS servers that you send the 857 forwards the
>queries to is not responding.

I have added one DNS server from OpenDNS, and it still times out :(

Aug 14 10:31:11 192.168.1.1 123: 000118: Aug 14 10:31:11.493 GMT+2:
DNS: Incoming UDP query (id#3)
Aug 14 10:31:11 192.168.1.1 124: 000119: Aug 14 10:31:11.497 GMT+2:
DNS: Type 1 DNS query (id#3) for host 'www.google.be' from
192.168.1.2(1758)
Aug 14 10:31:11 192.168.1.1 125: 000120: Aug 14 10:31:11.497 GMT+2:
%DNS-6-LOG_ACCESS: DNS View default used for client 192.168.1.2/1758,
querying A 'www.google.be'
Aug 14 10:31:12 192.168.1.1 126: 000121: Aug 14 10:31:11.497 GMT+2:
DNS: Servicing request using view default
Aug 14 10:31:12 192.168.1.1 127: 000122: Aug 14 10:31:11.497 GMT+2:
DNS: Re-sending DNS query (type 1, id#21226) to 208.67.220.220
Aug 14 10:31:18 192.168.1.1 128: 000123: Aug 14 10:31:17.429 GMT+2:
DNS: Resending query id #3
Aug 14 10:31:18 192.168.1.1 129: 000124: Aug 14 10:31:17.429 GMT+2:
DNS: Re-sending DNS query (type 1, id#21226) to 208.67.220.220
Aug 14 10:31:21 192.168.1.1 130: 000125: Aug 14 10:31:20.429 GMT+2:
DNS: Resending query id #3
Aug 14 10:31:21 192.168.1.1 131: 000126: Aug 14 10:31:20.429 GMT+2:
DNS: Re-sending DNS query (type 1, id#21226) to 208.67.220.220
Aug 14 10:31:24 192.168.1.1 132: 000127: Aug 14 10:31:23.429 GMT+2:
DNS: Removed waiting query id #3


>Why are you doing DNS forwarding?

IP host, redirecting hosts, some caching, blocking, ....
http://www.nil.si/ipcorner/RouterDNS/

Greetings,
Steven





Posted by Steven V.A. on August 17, 2008, 11:36 am
If you were  Registered and logged in, you could reply and use other advanced thread options


wrote:

>I'll suspect that one of the DNS servers that you send the 857 forwards the
>queries to is not responding.

I need to mention that DNS lookups from the router itself work fine.

Below is the output from my PC:
1st sample is with OpenDNS DNS's servers direcly configured on my PC
(and thus bypassing the router)
2nd sample is using the Cisco. Notice that 2 second time out :(

C:\Documents and Settings\Steven>nslookup www.tweakers.net
Server: resolver1.opendns.com
Address: 208.67.222.222

Non-authoritative answer:
Name: www.tweakers.net
Address: 213.239.154.35


C:\Documents and Settings\Steven>nslookup www.tweakers.net 192.168.1.1
Server: cisco-steventje
Address: 192.168.1.1

DNS request timed out.
timeout was 2 seconds.
Non-authoritative answer:
Name: www.tweakers.net
Address: 213.239.154.35

On the router everthing works perfectlty:

Steventje#clear host *
Steventje#ping www.tweakers.net
Translating "www.tweakers.net"...domain server (83.143.245.36) [OK]

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 213.239.154.35, timeout is 2
seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/17/20
ms
Steventje#


This is driving me nuts :(

Greetings,
Steven


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