On 02/18/2010 11:19 AM, j.halifax . wrote: >> What is the address of the subnet "other LAN" ? >> There seem to be two more subnets, 192.168.180.0 and 172.17.0.0. > You are right, both of them are accessible through eth3 and the same > box of 192.168.180.100 (I didn't include the whole routing table) like: > 172.17.0.0 192.168.180.100 255.255.0.0 UG 0 0 0 eth3 > 192.168.0.0 192.168.180.100 255.255.0.0 UG 0 0 0 eth3. Please post * Full details of your network * The routing table, uncensored >> ------------ Původní zpráva ------------ >> Od: Andrew Haley <aph@xxxxxxxxxx> >> Předmět: Re: Routing problems >> Datum: 18.2.2010 11:51:17 >> ---------------------------------------- >> On 02/18/2010 10:01 AM, Rick Sewill wrote: >>> On Thu, 2010-02-18 at 07:31 +0100, j.halifax . wrote: >>>> Hi All, >>>> >>>> Could you please help me with routing in the LAN default GW box? >>>> >>>> I have >>>> eth0 connected to Internet >>>> eth2 to internal LAN 10.255.250.0 >>>> LAN default GW is 10.255.250.37 >>>> eth3 connected to other LAN >> >> What is the address of the subnet "other LAN" ? >> >> There seem to be two more subnets, 192.168.180.0 and 172.17.0.0. >> >> Andrew. >> >> >> >>>> Route in the default GW (10.255.250.37): >>>> >>>> Destination Gateway Genmask Flags Metric Ref Use >> Iface >>>> 192.168.180.0 * 255.255.255.0 U 0 0 >> 0 eth3 >>>> 10.255.250.0 * 255.255.255.0 U 0 0 >> 0 eth2 >>>> link-local * 255.255.0.0 U 1003 0 >> 0 eth0 >>>> link-local * 255.255.0.0 U 1004 0 >> 0 eth2 >>>> link-local * 255.255.0.0 U 1005 0 >> 0 eth3 >>>> 172.17.0.0 192.168.180.100 255.255.0.0 UG 0 0 0 >> eth3 >>>> default dsl-router 0.0.0.0 UG 0 0 >> 0 eth0 >>>> >>>> >From the LAN default GW (10.255.250.37) >>>> - I can ping 172.17.1.50: >>>> PING 172.17.1.50 (172.17.1.50) 56(84) bytes of data. >>>> 64 bytes from 172.17.1.50: icmp_seq=1 ttl=253 time=5.62 ms >>>> 64 bytes from 172.17.1.50: icmp_seq=2 ttl=253 time=3.29 ms >>>> >>>> >From other boxes in the same LAN (e.g. 10.255.250.38) >>>> - I cann't ping 172.17.1.50 >>>> - I cann't traceroute 172.17.1.50: It goes to LAN default GW >>>> 10.255.250.37 and then to its default GW dsl-router on eth0 >>>> instead of eth3 (so that the routing rule for 172.17.0.0 doesn't >> >>>> match for 172.17.1.50) >>>> >>>> Can anybody help pleasee? >>>> Thank you so much! >>>> jh >>>> >>> >>> Your problem has me stumped. >>> >>> The only thing I can think of is to ask how iptables is set up. >>> >>> I think you have iptables doing masquerading to the eth0 interface. >>> The masquerading shouldn't be the problem. >>> >>> Are you doing anything special with packets coming in eth2 in iptables? >>> >>> I assume 10.255.250.38 can ping the Internet so you have routing set up. >>> >>> I can't think of anything else to check at this moment. >>> >>> Hopefully others will have better suggestions and ideas where to look. >>> >>> >>> >> >> -- >> users mailing list >> users@xxxxxxxxxxxxxxxxxxxxxxx >> To unsubscribe or change subscription options: >> https://admin.fedoraproject.org/mailman/listinfo/users >> Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines >> >> >> -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines