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List: bird-users
Subject: Re: bird: KIF: Invalid broadcast address 255.255.255.255 for em1
From: Job Snijders <job () instituut ! net>
Date: 2015-11-10 20:53:14
Message-ID: 20151110205314.GE1260 () 57 ! rev ! meerval ! net
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On Tue, Nov 10, 2015 at 06:55:04PM +0100, Ondrej Zajicek wrote:
> On Tue, Nov 10, 2015 at 03:40:58PM +0100, Job Snijders wrote:
> > It appears that BIRD does not fully appreciate RFC3021 style addresses
> > on Ubuntu 15.04, when I start BIRD:
> >
> > syslog:Nov 10 15:25:15 eunetworks-2 bird: KIF: Invalid broadcast address \
> > 255.255.255.255 for em1 syslog:Nov 10 15:25:15 eunetworks-2 bird: KIF: Invalid \
> > broadcast address 255.255.255.255 for p2p2.1003
>
> BIRD works with RFC 3021 style addresses without problems, it is just
> confused by the fact that directed broadcast address for the iface is
> configured to 255.255.255.255, which is address reserved for link-local
> broadcast.
>
> BIRD should work without problems on these interfaces (unless you use
> broadcast like in RIPv1), it is just warning.
Acknowledged. I see no issues other then the warnings.
> > Should I configure the Linux side of things differently or is this
> > something that needs resolving in BIRD itself?
>
> IMHO reasonable setting would be to not set directed broadcast address on
> such interfaces. Link-local broadcast address works for any interfaces
> and need not be configured.
The interface is brought up by ifup(8) and friends, this is the input:
# em1: Core: to eunetworks-1
auto em1
iface em1 inet static
address 94.142.247.237
netmask 255.255.255.254
gateway 94.142.247.236
Any recommendations on what I can change to prevent the warning?
Kind regards,
Job
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