Hi,
At 03:35 PM 12/4/98 +0000, Mike Richardson wrote:
>>I had a similar problem with some Win95 machines that had the
>>"client for Microsoft Networks" loaded. Apparently, the MS client
>>tries to do a DNS lookup every x minutes whether it's needed or
I physically removed the connection between the machines on my Win95 LAN
and the Linux box. And asked everyone else to vacate the room (just in case
telepathy has anything to do with it) and then...
I ran diald and ran diald-connect.
And I find within seconds of starting the link, a whole lot of packets get
queued for h.root-servers.net/domain, f.root-servers.net/domain, etc. All
of them DNS servers in my root.hints file... This DNS lookup (or is it a
cache refresh) never stops and invariably my Linux box ends up probing DNS
servers all over the world. After about 15 minutes and queued packets are
either resolved or removed, this is only entry that I get on my diald-top
display,
Type = 1348
Destination = xxx.xxx.xxx.xxx/22873
Source = OSPF-ALL.MCAST.NET/22873
TTL = 00:00:22
where "xxx.xxx.xxx.xxx" is the DNS server of my ISP (to which I connect
thru diald).
I now get out of diald-top and see that my PPP link is still up.
After some time, I get back into diald-top and find "no packets queued" and
am very happy.
In about a minute the screen fills up with many DNS server query packets
and ultimately what remains is this "OSPF-ALL.MCAST.NET" request which
doesn't get removed for another 10 minutes. After this packet gets removed,
there is inactivity for a minute after which again packets gets queued for
DNS lookups (even though there's no one access the 'Net!) and the whole
cycle repeats itself.
End result is that once connected my link never goes down...
I'm running a local nameserver on the linux box and the resolv.conf
contains only the address of my local nameserver in it. All the above
symptoms happened when no one was accessing the 'net or even the linux box
(except for me who was sitting there running diald-top).
Any idea what is happening?
regards,
-- Santosh
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