so the answer to myself If I would like to connect two physical nets without subnetting I must use bridging. The following commands solve the problem:
sysctl net.link.ether.bridge=1 sysctl net.link.ether.bridge_cfg=fxp0,fxp1 > 2004-11-29, h keltezéssel 17:02-kor Feczak Szabolcs ezt írta: > > Hi there, > > > > I have the following network env. (IPs are not real though similar) > > > > (INTERNET) - [? ? ? ?] Internet GW (cisco) [195.223.41.1] - switch - > > > > hosts connected to the switch like 195.223.41.10 195.223.41.119 etc. > > probably in the /24 range or maybe it uses classless routing I do > > not realy know > > > > My host/router is connected to this switch as well > > > > [195.223.41.14/28 fxp0] inner gw [195.223.41.161/28 fxp1] > > > > I have hosts connected to this innergw in the 195.223.41.160/28 network > > like 195.223.41.163 for example > > > > > > of course this setup doesn't work promptly, but If I do > > on the inner-gw the following > > > > ifconfig fxp1 down > > route delete 195.223.41.163 > > ifconfig fxp0 alias 195.223.41.163/32 > > > > ping 195.223.41.163 from the other side of the internet > > of course it works since Internet GW forwards the packet > > to its switched interface, than arp request and response > > on the innergw fxp0 interface > > Now the Cisco router has 195.223.41.163 in its arp cache > > so now I do the following on the innergw > > > > ifconfig fxp0 -alias 195.223.41.163 > > ifconfig fxp1 up > > > > ping 195.223.41.163 > > whoala it works .. I can reach my machine behind the > > innergw > > > > for 4 hours, then cisco clears this entry from its arp > > cache and no more fun. > > > > I have tried to do something with arp host hwaddr pub command, > > but its trying to advertise things on the inner interface > > so its no good. > > > > I know the best would be a static route entry on the cisco > > to route all packets in the 195.223.41.160/28 network to > > the innergw interface. > > > > Sadly I do not have access to the cisco router and its admin > > is nearly unreachable and make him do things is even harder. > > > > So my question is ... is it possible to do the trick with > > some arp magic, or do I need zebra to talk rip or sg. with > > the cisco, so I can advertise my subnet .... ? _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"