SIOCSIFADDR: Invalid argument

Simon Perreault nomis80 at
Tue Dec 19 18:58:23 PST 2000

On Tuesday 19 December 2000 19:13, ken_i_m wrote:
> What I get from "route add" is:
> SIOCADDRT: No such device

There is an obvious error in the guide. The real command you must enter is:

route add lo

But this is not useful at all. I can ping localhost without it being in the 
routing table, and the ping times are 0ms, which means that it is using the 
lo device. In fact, I researched the thing a bit, and found out that adding 
lo to the routing table is old practice, and is no longer necessary with 
newer kernels. Do it if you feel like it, but it's not needed. It just 
affects the looks of your routing table ;)

> and from "ping localhost":
> ping: unknown protocol icmp
> I don't understand what is wrong. I went through this exercise several
> times when I first set-up my LAN this past summer using Red Hat.

Did you install all the packages? Netkit et al?

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