Re: Network connection diagnostics


Moe Trin wrote:
On Mon, 25 Sep 2006, in the Usenet newsgroup comp.os.linux.networking, in
article <ef85vc$2rti$1@xxxxxxxxxxxxxxxxxx>, Pascal Hambourg wrote:

Moe Trin a écrit :

Contrary to the mystique, most ISPs do
not move their name servers around that much, because of the hassle of
getting the word of the new address out to the world.

Such hassle exists only when the ISP uses the same servers as cache NS
for their customers and as authoritative NS for their domains. The world
doesn't care a damn about which cache servers the customers use.

I've got four ISPs, two of which I've had for more than five years. NONE
of them have swapped DNS IPs. I'll admit that where I work isn't an ISP,
but our internal name servers are on the same IPs they were on twenty years
ago. The computers themselves have been replaced several times, but what
reason do we have to change the address? The only name servers we have
that aren't on the same addresses are from an division we no longer own.

I have found that if I only disable NetworkManager service, the
/etc/resolv.conf is not overwritten.

Honest and true, most people have better things to do than to move the
name servers (and routers, and well known servers) around for no good
reason.

Old guy

.

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