On Dec 18, 2012 11:59 AM, "Nilesh Govindrajan" <[email protected]> wrote: > > On Tuesday 18 December 2012 09:52:43 AM IST, Nilesh Govindrajan wrote: > > On Tuesday 18 December 2012 09:40:44 AM IST, Kevin Brandstatter wrote: > >> On 12/17/2012 08:00 PM, Nilesh Govindrajan wrote: > >>> On Tuesday 18 December 2012 09:24:41 AM IST, Kevin Brandstatter > >>> wrote: > >>>> On 12/17/2012 07:44 PM, Nilesh Govindrajan wrote: > >>>>> On Tuesday 18 December 2012 09:09:16 AM IST, Kevin > >>>>> Brandstatter wrote: > >>>>>> On 12/17/2012 07:26 PM, Nilesh Govindrajan wrote: > >>>>>>> Hi, > >>>>>>> > >>>>>>> I'm stuck with a routing issue: > >>>>>>> > >>>>>>> I have a DD-WRT router, which has one WAN port and four > >>>>>>> LAN ports with WiFi. > >>>>>>> > >>>>>>> I have a fiber connection which is connected by dialing > >>>>>>> PPPoE using pppd on the router, so I have no choice but to > >>>>>>> connect the fiber connection on WAN port. > >>>>>>> > >>>>>>> I have yet another (much slower) ADSL link, with it's own > >>>>>>> router (LAN-only). I'm trying to connect the router to the > >>>>>>> DD-WRT router's LAN port. I'm able to access the router, > >>>>>>> but routing through the gateway (the ADSL router) fails. > >>>>>>> > >>>>>>> Here's a simple diagram: > >>>>>>> > >>>>>>> The LAN network I'm using on DDWRT is 192.168.0.0, which > >>>>>>> is the LAN network for the internal side and WiFi. > >>>>>>> > >>>>>>> The fiber connection is obviously public network. > >>>>>>> > >>>>>>> The other ADSL connection can be configured to change > >>>>>>> subnet, it has a LAN side and WAN side. > >>>>>>> > >>>>>>> How I can I route through the ADSL router without requiring > >>>>>>> a separate NIC/network for it? > >>>>>>> > >>>>>> what exactly are you trying to route? traffic out to the > >>>>>> internet over the ADSL? or just trying to connect the > >>>>>> machines on that router to the fiber line and route all > >>>>>> traffic from both out on the fiber? > >>>>>> > >>>>>> -Kevin > >>>>> > >>>>> > >>>>> Actually my fiber connection has a smaller limit than the ADSL > >>>>> connection. I am trying to use the fiber connection for all > >>>>> activities except some torrent downloading for which I want to > >>>>> use my ADSL connection. Once I'm able to route through the > >>>>> ADSL gateway, it would be easy for me to setup another ip on > >>>>> eth0 on my machine on which transmission could listen. All > >>>>> traffic on that ip would be routed through ADSL and otherwise > >>>>> the fiber. > >>>>> > >>>>> -- Nilesh Govindarajan http://nileshgr.com > >>>>> > >>>> well in that case if you know how to set it up so that the > >>>> dd-wrt router can see the ADSL gateway you can set a route on > >>>> your box to route traffic on a specific device to that gateway. > >>>> In fact, you might even be able to static route the torrent ports > >>>> to that gateway from dd-wrt > >>>> > >>>> -Kevin > >>> > >>> > >>> I tried that. As the simplest test, I added this on ddwrt: > >>> > >>> route add -host 8.8.8.8 gw 192.168.0.32 > >>> > >>> Where 192.168.0.32 is the private IP of my ADSL router. But when I > >>> say ping 8.8.8.8 from ddwrt, I don't get any response. Any idea why > >>> this happens? > >>> > >>> -- Nilesh Govindarajan http://nileshgr.com > >>> > >> is the ADSL configured to forward to the internet? how is the gateway > >> set up? it needs to be configured to route the outbound traffic to the > >> internet > >> > >> -Kevin > > > > Yes, I have a static IP on the ADSL connection and it is setup for the > > same. Connects using MER and NAT is enabled. > > If I connect the router to DD-WRT's WAN port and change subnet of the > > ADSL private network (matching the same on WAN interface), then it > > works properly. > > > > -- > > Nilesh Govindarajan > > http://nileshgr.com > > Wait, it just worked. Looks like I missed out something yesterday. > Thanks for your help. >
Most likely, it's just route caching. I forgot the exact command, but it goes like 'ip route cache flush'. Rgds, --

