Enabling a second nic(eth1) disconnects eth0

[Ezra Taylor]

So, I should put the second gateway in a startup script?  Note, I was using
the route command to add the second gateway.  Thanks for the heads up.

On 4/25/07, Mark Haney <mhaney at ercbroadband.org> wrote:
>
> Ezra Taylor wrote:
> > DEVICE=eth0
> > BOOTPROTO=static
> > BROADCAST=2xx.2xx.2xx.255
> > HWADDR=xxxxxxxxxxx
> > IPADDR=2xx.2xx.2xx.2xx
> > NETMASK=2xx.2xx.2xx.2xx
> > NETWORK=2xx.2xx.2xx.2xx
> > ONBOOT=yes
> > TYPE=Ethernet
> > GATEWAY=2xx.2xx.2xx.2xx
> >
> >
> > DEVICE=eth1
> > BOOTPROTO=none
> > IPADDR=1xx.2xx.xxx.1xx
> > NETMASK=xxx.xxx.xxx.xxx
> > HWADDR=xxxxxxxxxxxx
> > ONBOOT=yes
> > TYPE=Ethernet
> > USERCTL=no
> > IPV6INIT=no
> > PEERDNS=yes
> > GATEWAY=1xx.xxx.xxx.xxx
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > On 4/25/07, Herta Van den Eynde <herta.vandeneynde at gmail.com> wrote:
> >>
> >> On 25/04/07, Ezra Taylor <ezra.taylor at gmail.com> wrote:
> >> > Hello all:
> >> >                 I'm trying to enable a second nic in my box.  The
> >> second
> >> nic
> >> > is on a different network and uses a different gateway.  Once I
> enable
> >> the
> >> > second(eth1) nic the first nic(eth0) loses connectivity.  Note,
> >> the  nics
> >> > are connected via patch panel and  the patch panel is connected to
> the
> >> > switch.
> >> >
> >> > --
> >> > Ezra Taylor
> >>
> >> Ezra,
> >>
> >> May be a config issue.  Could you post the output of "cat
> >> /etc/sysconfig/network-scripts/ifcfg-eth[01]", please?
> >>
> >> Kind regards,
> >>
> >> Herta
> >>
> >> --
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> >>
> >
> >
> >
>
> I'm thinking it's due to the presence of two default gateways.  I've
> never seen that setup work.  YOu'll need to specify routes for the
> second interface seperately instead of using a default gw.
>
>
> --
> Ita erat quando hic adveni.
>
> Mark Haney
> Sr. Systems Administrator
> ERC Broadband
> (828) 350-2415
>
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-- 
Ezra Taylor