Just curious, what is the benefit of giving the same IP to two devices ? Where such thing can be used ?
-------------------------- Canaan Surfing Ltd. Internet Service Providers Ben-Nes Michael - Manager Tel: 972-4-6991122 Fax: 972-4-6990098 http://sites.canaan.co.il -------------------------- ----- Original Message ----- From: "Michael Sternberg" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, June 23, 2003 8:32 AM Subject: ARP storm from my computer ? > > Hello list. > > I'm running Mandrake 9.1, two NICs bonded to a single IP. > From some reason, from time to time, computer starts to issue > a lot of ARP requests to non-existent IPs (that are still in > my subnet). I think that the same behaviour was observed with > a single NIC too. > > ARP table gets filled very quickly, kernel issues > "Neighbour table overflow." and sometimes I cannot even > ping from above computer. > > I googled a little and the only advice that I've found was > to define properly loopback interface. Output of ifconfig > and route attached at the end of this letter. > > Now, the temporary solution that I've found was to increase > /proc/sys/net/ipv4/neigh/default/gc_thresh*. > > Whats happening ? > > Thanks, > Michael > > ~> route -n > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use Iface > 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 bond0 > 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 > 172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth1 > 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo > 0.0.0.0 172.17.1.10 0.0.0.0 UG 0 0 0 bond0 > ~> ifconfig > bond0 Link encap:Ethernet HWaddr 00:04:75:7C:EC:58 > inet addr:172.17.4.10 Bcast:172.17.255.255 Mask:255.255.0.0 > UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 > RX packets:3251494 errors:0 dropped:0 overruns:1 frame:0 > TX packets:3186099 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:368186039 (351.1 Mb) TX bytes:1070245144 (1020.6 Mb) > > eth0 Link encap:Ethernet HWaddr 00:04:75:7C:EC:58 > inet addr:172.17.4.10 Bcast:172.17.255.255 Mask:255.255.0.0 > UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 > RX packets:1630244 errors:0 dropped:0 overruns:1 frame:0 > TX packets:1593125 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:100 > RX bytes:196325918 (187.2 Mb) TX bytes:543229542 (518.0 Mb) > Interrupt:18 Base address:0xd880 > > eth1 Link encap:Ethernet HWaddr 00:04:75:7C:EC:58 > inet addr:172.17.4.10 Bcast:172.17.255.255 Mask:255.255.0.0 > UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 > RX packets:1621250 errors:0 dropped:0 overruns:0 frame:0 > TX packets:1592974 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:100 > RX bytes:171860121 (163.8 Mb) TX bytes:527015602 (502.6 Mb) > Interrupt:20 Base address:0xd800 Memory:fe9fe000-fe9fe038 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:433764 errors:0 dropped:0 overruns:0 frame:0 > TX packets:433764 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:24293226 (23.1 Mb) TX bytes:24293226 (23.1 Mb) > > > > ================================================================= > To unsubscribe, send mail to [EMAIL PROTECTED] with > the word "unsubscribe" in the message body, e.g., run the command > echo unsubscribe | mail [EMAIL PROTECTED] > > ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
