Re: [CentOS] default gateway outside of the LAN

2012-08-20 Thread James Hogarth
> > It's impossible to create a route via a host that can't be resolved by > ARP (for IPv4). > Very true in general - the assumption in IRC was that text is not always the best medium for transmitting ideas - especially when someone is specifically anonymising stuff or does not have english as a f

Re: [CentOS] default gateway outside of the LAN

2012-08-18 Thread Gordon Messmer
On 08/17/2012 06:50 AM, James Hogarth wrote: > This somewhat describes the situation: > http://www.adminsehow.com/2011/09/gateway-on-a-different-subnet-on-linux/ That still describes a configuration where the gateway is in a local broadcast domain. It's impossible to create a route via a host th

Re: [CentOS] default gateway outside of the LAN

2012-08-17 Thread James Hogarth
> 'unique' is a very mild expression. The word you're actually looking for was > probably 'wrong'. > > Your gateway *must* be in the network your interfaces are in. You also would > not want your living room be built without any doors and a sign on the wall > 'the exit is in the kitchen'. There

Re: [CentOS] default gateway outside of the LAN

2012-08-17 Thread Peter Eckel
Hi Boris, > We have a somewhat unique setup whereby our default router is outside of > the local network. 'unique' is a very mild expression. The word you're actually looking for was probably 'wrong'. Your gateway *must* be in the network your interfaces are in. You also would not want your l

Re: [CentOS] default gateway outside of the LAN

2012-08-16 Thread James Hogarth
> 10.1.1.1 via 192.168.10.1 dev eth0 > default 10.1.1.1 dev eth0 > You need to revisit your networking knowledge ... specifically what a gateway is... You need a router (gateway) on 192.168.10.0/24 (presumably 192.168.10.1 in your example). On this you have a default route to the next hop of 10.1