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
formatting link
192.168.1.1 Server: cisco-steventje Address: 192.168.1.1
DNS request timed out. timeout was 2 seconds. Non-authoritative answer: Name:
formatting link
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
formatting link
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.
569: 000564: Aug 10 21:14:34.442 GMT+2: DNS: Incoming UDP query (id#1)
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)
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'
572: 000567: Aug 10 21:14:34.442 GMT+2: DNS: Servicing request using view default
573: 000568: Aug 10 21:14:34.442 GMT+2: DNS: Finished processing query (id#1) in 0.000 secs
574: 000569: Aug 10 21:14:34.442 GMT+2: DNS: Sending response to
192.168.1.2/2148, len 71
575: 000570: Aug 10 21:14:34.450 GMT+2: DNS: Incoming UDP query (id#2)
576: 000571: Aug 10 21:14:34.450 GMT+2: DNS: Type 1 DNS query (id#2) for host '
formatting link
' from 192.168.1.2(2149)
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 '
formatting link
'
578: 000573: Aug 10 21:14:34.450 GMT+2: DNS: Servicing request using view default
579: 000574: Aug 10 21:14:34.450 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.220
580: 000575: Aug 10 21:14:38.078 GMT+2: DNS: Resending query id #2
581: 000576: Aug 10 21:14:38.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.220
582: 000577: Aug 10 21:14:41.078 GMT+2: DNS: Resending query id #2
583: 000578: Aug 10 21:14:41.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.220
584: 000579: Aug 10 21:14:44.078 GMT+2: DNS: Resending query id #2
585: 000580: Aug 10 21:14:44.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.222
586: 000581: Aug 10 21:14:47.078 GMT+2: DNS: Resending query id #2
587: 000582: Aug 10 21:14:47.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.222
588: 000583: Aug 10 21:14:50.078 GMT+2: DNS: Resending query id #2
589: 000584: Aug 10 21:14:50.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 208.67.220.222
590: 000585: Aug 10 21:14:53.078 GMT+2: DNS: Resending query id #2
591: 000586: Aug 10 21:14:53.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.36
592: 000587: Aug 10 21:14:56.078 GMT+2: DNS: Resending query id #2
593: 000588: Aug 10 21:14:56.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.36
594: 000589: Aug 10 21:14:59.078 GMT+2: DNS: Resending query id #2
595: 000590: Aug 10 21:14:59.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.36
596: 000591: Aug 10 21:15:02.078 GMT+2: DNS: Resending query id #2
597: 000592: Aug 10 21:15:02.078 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.37
598: 000593: Aug 10 21:15:05.094 GMT+2: DNS: Resending query id #2
599: 000594: Aug 10 21:15:05.094 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.37
600: 000595: Aug 10 21:15:08.094 GMT+2: DNS: Resending query id #2
601: 000596: Aug 10 21:15:08.094 GMT+2: DNS: Re-sending DNS query (type 1, id#59263) to 83.143.245.37
602: 000597: Aug 10 21:15:11.094 GMT+2: DNS: Removed waiting query id #2
603: 000598: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query (id#3)
604: 000599: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query (id#59263)
605: 000600: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query (id#59263)
606: 000601: Aug 10 21:15:14.466 GMT+2: DNS: Incoming UDP query (id#59263)
607: 000602: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
608: 000603: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
609: 000604: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
610: 000605: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
611: 000606: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
612: 000607: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
613: 000608: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
614: 000609: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
615: 000610: Aug 10 21:15:14.470 GMT+2: DNS: Incoming UDP query (id#59263)
616: 000611: Aug 10 21:15:14.470 GMT+2: DNS: Type 1 DNS query (id#3) for host '
formatting link
' from 192.168.1.2(2150)
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 '
formatting link
'
618: 000613: Aug 10 21:15:14.474 GMT+2: DNS: Servicing request using view default
619: 000614: Aug 10 21:15:14.474 GMT+2: DNS: Re-sending DNS query (type 1, id#7734) to 208.67.220.220
620: 000615: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.220(53)
621: 000616: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
622: 000617: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.220(53)
623: 000618: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
624: 000619: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.220(53)
625: 000620: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.220(53) - doesn't match a query
626: 000621: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.222(53)
627: 000622: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
628: 000623: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.222(53)
629: 000624: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
630: 000625: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 208.67.220.222(53)
631: 000626: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
208.67.220.222(53) - doesn't match a query
632: 000627: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.36(53)
633: 000628: Aug 10 21:15:14.474 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
634: 000629: Aug 10 21:15:14.474 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.36(53)
635: 000630: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
636: 000631: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.36(53)
637: 000632: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.36(53) - doesn't match a query
638: 000633: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.37(53)
639: 000634: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.37(53) - doesn't match a query
640: 000635: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.37(53)
641: 000636: Aug 10 21:15:14.478 GMT+2: DNS: Dropping reply from
83.143.245.37(53) - doesn't match a query
642: 000637: Aug 10 21:15:14.478 GMT+2: DNS: Type 1 response (id#59263) for host from 83.143.245.37(53)
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
formatting link
Server: resolver1.opendns.com Address: 208.67.222.222
Non-authoritative answer: Name:
formatting link
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.