> I've heard of this once or twice, using both eircom and esats
> nameservers, the strange thing is they were all on DSL,
> so if this does happen to anybody, they should do something
> like dig whateverwontwork.com ns ns , copy this and also
> post their mtu and mss settings.
I kept this information.
Everything seemed to be ok. We were suspicious about the
213.94.149.255 local side of the pppoe link, but a restart
of pppoe which assigned a non 255 address didn't help
matters.
The last couple of hops of the traceroute were identical to
those in a traceroute from a host which could load the site.
Can you see anything wrong in the output below?
MTU is 1492. Does this mean MSS is also 1492? I've looked
and don't know where to find the MSS. It can be set by the
application with setsockopt but the application in this
case was a web browser so I'm assuming it wasn't doing
anything out of the ordinary.
Dermot.
--
[dermot at dermot-ws lincor]$ dig www.seabrook.ie
; <<>> DiG 9.2.2-P3 <<>> www.seabrook.ie
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26930
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 9, ADDITIONAL: 11
;; QUESTION SECTION:
;www.seabrook.ie. IN A
;; ANSWER SECTION:
www.seabrook.ie. 76304 IN A 193.203.154.195
;; AUTHORITY SECTION:
ie. 117762 IN NS banba.domainregistry.ie.
ie. 117762 IN NS uucp-gw-1.pa.dec.com.
ie. 117762 IN NS uucp-gw-2.pa.dec.com.
ie. 117762 IN NS ns.ripe.net.
ie. 117762 IN NS ice.netsource.ie.
ie. 117762 IN NS ns2.nic.fr.
ie. 117762 IN NS ns3.ns.esat.net.
ie. 117762 IN NS gns1.domainregistry.ie.
ie. 117762 IN NS gns2.domainregistry.ie.
;; ADDITIONAL SECTION:
ns.ripe.net. 109875 IN A 193.0.0.193
ns.ripe.net. 129320 IN AAAA 2001:610:240:0:53::193
ice.netsource.ie. 11298 IN A 212.17.32.2
ns2.nic.fr. 33553 IN A 192.93.0.4
ns3.ns.esat.net. 21360 IN A 192.111.39.100
ns3.ns.esat.net. 24272 IN AAAA 2001:7c8:2:a::64
gns1.domainregistry.ie. 30619 IN A 198.133.199.102
gns2.domainregistry.ie. 53338 IN A 198.133.199.103
banba.domainregistry.ie. 131014 IN A 193.1.142.2
uucp-gw-1.pa.dec.com. 15216 IN A 204.123.2.18
uucp-gw-2.pa.dec.com. 16685 IN A 204.123.2.19
;; Query time: 48 msec
;; SERVER: 192.168.3.1#53(192.168.3.1)
;; WHEN: Mon Apr 19 12:03:28 2004
;; MSG SIZE rcvd: 483
[dermot at dermot-ws lincor]$ ping www.seabrook.ie
PING www.seabrook.ie (193.203.154.195) 56(84) bytes of data.
--- www.seabrook.ie ping statistics ---
11 packets transmitted, 0 received, 100% packet loss, time 10034ms
[dermot at dermot-ws lincor]$ traceroute www.seabrook.ie
traceroute to www.seabrook.ie (193.203.154.195), 30 hops max, 38 byte
packets
1 jumpgate2 (192.168.3.1) 0.490 ms 0.440 ms 0.368 ms
2 213-94-144-1.bas1.chf.cork.eircom.net (213.94.144.1) 283.188 ms
46.446 ms 47.268 ms
3 159.134.124.1 (159.134.124.1) 49.973 ms 48.017 ms 47.225 ms
4 atm4-0-39.peering1.inex.dublin.eircom.net (159.134.191.126) 55.060
ms 53.798 ms 57.362 ms
5 fe0-0.br001.inex.esat.net (193.1.208.194) 55.035 ms 52.507 ms
57.314 ms
6 pos2-3.core002.cwt.esat.net (193.95.131.5) 57.527 ms 55.932 ms
57.800 ms
7 vlan3.rt002.cwt.esat-x.com (193.95.129.19) 192.089 ms 135.849 ms
192.432 ms
8 vlan53.rt501.cwt.esat.net (193.95.130.154) 60.068 ms 55.769 ms
57.464 ms
9 2kwall02-ext.interweb.esat.net (193.95.132.54) 57.628 ms 55.807 ms
54.946 ms
10 * * *
11 * * *
12 * * *
13 * * *
14 * * *
15 * * *
16 * * *
17 *
ppp1 Link encap:Point-to-Point Protocol
inet addr:213.94.149.255 P-t-P:213.94.144.1
Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1492 Metric:1
RX packets:48031 errors:0 dropped:0 overruns:0 frame:0
TX packets:49353 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:3
RX bytes:26167924 (24.9 MiB) TX bytes:4289434 (4.0 MiB)
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