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 :: Mailing Lists

[ILUG] got a dhcp address but no connectivity

[ILUG] got a dhcp address but no connectivity

Ciaran Johnston cj at nologic.org
Fri Feb 4 10:17:27 GMT 2005


Marek said:
> Hi all,
>
> I'm trying to connect my laptop (Mandrake 10.1 Official) to the network
> here at college with little success (the services guys here don't
> support linux). It's a dhcp connection. The bizarre thing (for me in my
> ignorance at least) is that the card has an ip address in the proper
> range, but I can't ping anything, even my nameservers.
>
> Everything's set up properly in the Mandrake Control Centre: It's got
> the right nameservers, search domain, ip address and gateway.
>
> ifconfig shows the ip address and netmask (both in the 10.0.*.* range
> which is right for the network), though the broadcast address is
> identical to the ip address (no 255's involved), which is the only odd
> thing I can see.

AFAIK this means you are broadcasting to yourself only. Therefore your ARP
requests ("who has IP x.x.x.x") aren't going anywhere. Hence, no network.
They should be sent to 10.0.x.255.

/Ciaran.



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