Date: Wed, 11 Feb 1998 14:14:20 +1100 (EST) From: Anthony Hill <ahill@blacksun.net.au> To: questions@FreeBSD.ORG Subject: subnet alias for ethernet device wont work Message-ID: <Pine.BSF.3.95q.980211134341.20191B-100000@blacksun.net.au>
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Sorry for bringing up such a basic problem, but this is starting to drive
me nuts.
I am using a FreeBSD 2.2.1-RELEASE #0 box as a router and server for my
local network, and have been assigned a /26 subnet (210.8.131.128/26) by
my employer. I have assigned a few numbers to various hosts on the network
and everything seems to be routing fine.
However I need to bind a few more addresses to the FreeBSD box (for
virtual web servers) and dont seem to be able to get them to work.
eg :-
bash# ifconfig ed1
ed1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 210.8.131.129 netmask 0xffffffc0 broadcast 210.8.131.191
ether 00:00:01:30:53:91
bash#
..ok 210.8.131.129 is the primary address of the router/server and works
fine. So now I try to add another address to the ethernet card :-
bash# ifconfig ed1 inet 210.8.131.132 netmask 0xffffffc0 alias
ifconfig: ioctl (SIOCAIFADDR): File exists
bash# ifconfig ed1
ed1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 210.8.131.129 netmask 0xffffffc0 broadcast 210.8.131.191
inet 210.8.131.132 netmask 0xffffffc0 broadcast 210.8.131.191
ether 00:00:01:30:53:91
bash#
..so aside from the "ifconfig: ioctl (SIOCAIFADDR): File exists" message
(anyone know what it means?), that seemed to work fine. However, I cant
ping the new address. :-
bash# ping 210.8.131.132
PING 210.8.131.132 (210.8.131.132): 56 data bytes
^C
--- 210.8.131.132 ping statistics ---
5 packets transmitted, 0 packets received, 100% packet loss
bash#
Now when working with full class C's, this is all I've had to do, so now
I'm on unfamilar ground, but think maybe its a problem with routed ?
route shows this :-
bash# route get 210.8.131.132
route to: 210.8.131.132
destination: 210.8.131.132
interface: ed1
flags: <UP,HOST,DONE,LLINFO,WASCLONED>
recvpipe sendpipe ssthresh rtt,msec rttvar hopcount mtu expire
16384 16384 0 0 0 0 1500 -116
bash#
..and netstat shows :-
bash# netstat -rn
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 203.63.80.135 UGSc 37 28832 tun0
127.0.0.1 127.0.0.1 UH 0 125 lo0
202.21.8.125 127.0.0.1 UH 0 25134 lo0
203.63.80.135 202.21.8.125 UH 35 0 tun0
210.8.131.128/26 link#1 UCc 4 0
210.8.131.129 0:0:1:30:53:91 UHLW 2 70034 lo0
You have mail in /var/mail/ahill
bash#
..so can someone please tell me what I am missing ?
Thanks in advance
Anthony Hill
btw. Please reply to the "from" address as Im not subscribed to the list,
and my news feed sucks.
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