> On Wed, Mar 11, 2009 at 01:07:06PM +0000, Gerard Hooton wrote: >> Hello, >> Fist my system: >> >> Linux uepc004 2.6.24-1-686 #1 SMP Thu May 8 02:16:39 UTC 2008 i686 >> GNU/Linux >> >> Network: >> eth0 Link encap:Ethernet HWaddr 00:30:48:29:e9:40 >> inet addr:143.239.184.13 Bcast:143.239.255.255 >> Mask:255.255.0.0 >> inet6 addr: fe80::230:48ff:fe29:e940/64 Scope:Link >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> RX packets:1751152 errors:0 dropped:0 overruns:0 frame:0 >> TX packets:33579 errors:0 dropped:0 overruns:0 carrier:0 >> collisions:0 txqueuelen:1000 >> RX bytes:174917895 (166.8 MiB) TX bytes:19228996 (18.3 MiB) >> Base address:0x3000 Memory:f8200000-f8220000 >> >> eth0:0 Link encap:Ethernet HWaddr 00:30:48:29:e9:40 >> inet addr:143.239.184.12 Bcast:143.239.255.255 >> Mask:255.255.0.0 >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> Base address:0x3000 Memory:f8200000-f8220000 >> >> eth1 Link encap:Ethernet HWaddr 00:30:48:29:e9:41 >> inet addr:143.239.184.75 Bcast:143.239.255.255 >> Mask:255.255.0.0 >> inet6 addr: fe80::230:48ff:fe29:e941/64 Scope:Link >> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 >> RX packets:1738672 errors:0 dropped:0 overruns:0 frame:0 >> TX packets:228 errors:0 dropped:0 overruns:0 carrier:0 >> collisions:0 txqueuelen:1000 >> RX bytes:180938419 (172.5 MiB) TX bytes:20519 (20.0 KiB) >> Base address:0x3040 Memory:f8220000-f8240000 >> >> lo Link encap:Local Loopback >> inet addr:127.0.0.1 Mask:255.0.0.0 >> inet6 addr: ::1/128 Scope:Host >> UP LOOPBACK RUNNING MTU:16436 Metric:1 >> RX packets:14810 errors:0 dropped:0 overruns:0 frame:0 >> TX packets:14810 errors:0 dropped:0 overruns:0 carrier:0 >> collisions:0 txqueuelen:0 >> RX bytes:20030201 (19.1 MiB) TX bytes:20030201 (19.1 MiB) >> >> >> #################### The Problem ################################ >> >> I have discovered that with net.ipv4.ip_forward = 1 >> the apr table starts to grow and grow and I think I get an arp table >> overflow. Also I get No buffer space available errors. When I do >> net.ipv4.ip_forward = 0 the arp table reduces to a normal size and the >> No buffer space available errors stop. > > why do you have 3 interface into the same ip network ? I presume there > are all attached to the same ethernet broadcast domain ? > > that shouldn't be causing the problem though. have you done a tcpdump to > see what traffic is being forwarded ? The other question is why do you > need to forward ? > > can you do an ip route please
OK .... ip route 143.239.0.0/16 dev eth0 proto kernel scope link src 143.239.184.13 143.239.0.0/16 dev eth1 proto kernel scope link src 143.239.184.75 default via 143.239.1.199 dev eth0 src 143.239.184.12 > >> >> Any ideas? >> >> Thanks. >> >> -- >> Gerard Hooton. >> Department of Microelectronic Engineering U.C.C. >> Butler Building, >> Enterprise Centre, >> North Mall. >> Cork. >> >> Tel: +353 21 4904576 >> Fax: +353 21 4904573 >> http://www.ue.ucc.ie/ >> >> >> >> >> -- >> To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org >> with a subject of "unsubscribe". Trouble? Contact >> listmas...@lists.debian.org >> >> > > -- > "We're concerned about AIDS inside our White House -- make no mistake > about it." > > - George W. Bush > 02/07/2001 > -- Gerard Hooton. Department of Microelectronic Engineering U.C.C. Butler Building, Enterprise Centre, North Mall. Cork. Tel: +353 21 4904576 Fax: +353 21 4904573 http://www.ue.ucc.ie/ -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
