Date: Sat, 03 Jul 1999 02:44:13 +0200 From: Roelof Osinga <roelof@eboa.com> To: Doug White <dwhite@resnet.uoregon.edu> Cc: questions@FreeBSD.ORG Subject: Re: IP alias routing problem Message-ID: <377D5CDD.CB748DEE@eboa.com> References: <Pine.BSF.4.10.9907021302160.98238-100000@resnet.uoregon.edu>
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Doug White wrote:
>
> > ifconfig_ep1="inet 212.187.0.39 netmask 255.255.248.0"
> > ifconfig_ep1_alias0="inet 194.134.130.170 194.134.128.1 netmask 255.255.252.0"
>
> ep1 is not a point to point link, so this should fail. Rewmove the second
> IP address. (Just what OS is that semantic from?)
That's what I started out with. Didn't work. This does. Got it from
the *FreeBSD* ifconfig man page <g>. Though it doesn't quite work
as expected in that sets the broadcast address to it. Also, the 128.1
is a direct link.
> > route add -net 194.134 194.134.128.1
>
> This isn't necessary, as the ifconfig command will add it automatically.
> Make the above fix and you should be happy.
No it doesn't. It adds the 194.134.128/22 route, which unfortunately
routes the reminder of the 194.134/16 net through the default route
thereby preventing me from accessing certain IP restricted services.
I think I need to up the metric on the default route so it'll
prefer the special route given equal opportunities to satisfy.
Roelof
PS in case this'll help:
nl:/stand# ifconfig -a
ep1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 212.187.0.39 netmask 0xfffff800 broadcast 212.187.7.255
inet 194.134.130.170 netmask 0xfffffc00 broadcast 194.134.128.1
ether 00:60:97:e4:98:db
nl:/stand# netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 212.187.0.1 UGSc 8 157891 ep1
194.134/16 194.134.128.1 UGSc 4 835 ep1
194.134.128/22 link#2 UC 0 0 ep1
194.134.128.1 0:90:6d:e4:30:0 UHLW 5 14656 ep1 1053
212.187/21 link#2 UC 0 0 ep1
I cleaned it up a little.
--
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