From: Arnaldo Carvalho de Melo <arnaldo.melo@gmail.com>
To: Stephen Hemminger <shemminger@osdl.org>
Cc: Patrick McHardy <kaber@trash.net>,
"David S. Miller" <davem@davemloft.net>,
netdev@oss.sgi.com
Subject: Re: [Bug 4554] New: /proc/net/route missing info for 127.0.0.1/8
Date: Tue, 3 May 2005 19:55:15 -0300 [thread overview]
Message-ID: <39e6f6c70505031555691daf80@mail.gmail.com> (raw)
In-Reply-To: <20050503154709.218626c6@dxpl.pdx.osdl.net>
On 5/3/05, Stephen Hemminger <shemminger@osdl.org> wrote:
> On Wed, 04 May 2005 00:41:01 +0200
> Patrick McHardy <kaber@trash.net> wrote:
>
> > > Distribution: CentOS 4 (RHEL4)
> > > Hardware Environment: i686
> > > Problem Description:
> > > cat /proc/net/route is missing information for 127.0.0.1/8 network (lo
> > > interface). On 2.4 kernels, this info was present (just checked on an old RH7.3
> > > machine). It seems to be missing on 2.6 kernels. Bug? Feature? Omission?
> >
> > 2.4.30 doesn't show it:
> >
> > # route -n
> > Destination Gateway Genmask Flags Metric Ref Use
> > Iface
> > 172.16.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
> >
> > And I'd be surprised if it did, it doesn't include other routes
> > from the local table.
> >
> > Regards
> > Patrick
>
> It shows up on our 2.4.18 system, probably it got lost in the fib/seq_printf
> conversion.
>
> $ /sbin/route -n
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 192.168.159.0 172.20.4.11 255.255.255.0 UG 0 0 0 eth2
> 172.20.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth2
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
> 0.0.0.0 172.20.0.1 0.0.0.0 UG 0 0 0 eth2
[root@toy acme]# route -n
Tabela de Roteamento IP do Kernel
Destino Roteador MáscaraGen. Opções Métrica Ref Uso Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
172.20.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tun0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.1.2 0.0.0.0 UG 0 0 0 eth0
[root@toy acme]# uname -r
2.6.11-77124cl
[root@toy acme]#
[root@toy acme]# ip r s
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.192
172.20.0.0/16 dev tun0 proto kernel scope link src 172.20.0.1
127.0.0.0/8 dev lo scope link
default via 192.168.1.2 dev eth0
[root@toy acme]#
[root@toy acme]# cat /proc/net/route
Iface Destination Gateway Flags RefCnt Use Metric
Mask MTU Window IRTT
eth0 0001A8C0 00000000 0001 0 0 0
00FFFFFF 0 0 0
tun0 000014AC 00000000 0001 0 0 0
0000FFFF 0 0 0
lo 0000007F 00000000 0001 0 0 0
000000FF 0 0 0
eth0 00000000 0201A8C0 0003 0 0 0
00000000 0 0 0
[root@toy acme]#
No problems here.
- Arnaldo
next prev parent reply other threads:[~2005-05-03 22:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-03 21:36 Fw: [Bug 4554] New: /proc/net/route missing info for 127.0.0.1/8 Stephen Hemminger
2005-05-03 22:41 ` Patrick McHardy
2005-05-03 22:47 ` Stephen Hemminger
2005-05-03 22:55 ` Arnaldo Carvalho de Melo [this message]
2005-05-03 23:08 ` Thomas Graf
2005-05-03 22:58 ` Patrick McHardy
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