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Witam,
od jakiegoś czasu serwer sam zmienia adresy IP na interfejsie eth0 (pierwszy operator). Według operatora wygląda to tak, jakby ktoś co chwile zmieniał adres IP (adres MAC pozostaje bez zmian), nawet kilkadziesiąt razy na minutę. Nie ma reguły, czasem przez kilka miesięcy wszystko jest w porządku, a czasem po kilka takich sytuacji w jeden dzień.
Czy ktoś z was spotkał się z taką sytuacją?
$ uname -a Linux router 2.6.26-2-686 #1 SMP Wed Sep 21 04:35:47 UTC 2011 i686 GNU/Linux
$ dpkg --print-architecture i386
$ lspci -k 00:00.0 Host bridge: Broadcom CMIC-LE Host Bridge (GC-LE chipset) (rev 32) Kernel modules: sworks-agp 00:00.1 Host bridge: Broadcom CMIC-LE Host Bridge (GC-LE chipset) Kernel modules: sworks-agp 00:00.2 Host bridge: Broadcom CMIC-LE Host Bridge (GC-LE chipset) Kernel modules: sworks-agp 00:01.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 00:0f.0 Host bridge: Broadcom CSB5 South Bridge (rev 93) Kernel driver in use: piix4_smbus Kernel modules: i2c-piix4, sworks-agp 00:0f.1 IDE interface: Broadcom CSB5 IDE Controller (rev 93) Kernel driver in use: Serverworks_IDE Kernel modules: serverworks 00:0f.2 USB Controller: Broadcom OSB4/CSB5 OHCI USB Controller (rev 05) Kernel driver in use: ohci_hcd Kernel modules: ohci-hcd 00:0f.3 ISA bridge: Broadcom CSB5 LPC bridge 00:11.0 Host bridge: Broadcom CIOB-X2 PCI-X I/O Bridge (rev 05) Kernel modules: sworks-agp 00:11.2 Host bridge: Broadcom CIOB-X2 PCI-X I/O Bridge (rev 05) Kernel modules: sworks-agp 01:01.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Dual Ultra320 SCSI (rev 07) Kernel driver in use: mptspi Kernel modules: mptspi 02:01.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet (rev 02) Kernel driver in use: tg3 Kernel modules: tg3 02:02.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5703X Gigabit Ethernet (rev 02) Kernel driver in use: tg3 Kernel modules: tg3 02:03.0 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 01) Kernel driver in use: e1000 Kernel modules: e1000 02:03.1 Ethernet controller: Intel Corporation 82546EB Gigabit Ethernet Controller (Copper) (rev 01) Kernel driver in use: e1000 Kernel modules: e1000
# ifconfig -a eth0 Link encap:Ethernet HWaddr 00:0d:60:1c:5c:88 inet addr:89.17.xxx.xxx Bcast:89.17.xxx.255 Mask:255.255.255.0 inet6 addr: fe80::20d:60ff:fe1c:5c88/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:5904432 errors:0 dropped:0 overruns:0 frame:0 TX packets:3848733 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1918385881 (1.7 GiB) TX bytes:1113261735 (1.0 GiB) Interrupt:24 eth1 Link encap:Ethernet HWaddr 00:0d:60:1c:5c:89 inet addr:83.18.xxx.xxx Bcast:83.18.xxx.207 Mask:255.255.255.248 inet6 addr: fe80::20d:60ff:fe1c:5c89/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:782720 errors:0 dropped:0 overruns:0 frame:0 TX packets:483104 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1021951457 (974.6 MiB) TX bytes:62371999 (59.4 MiB) Interrupt:25 eth2 Link encap:Ethernet HWaddr 00:11:0a:61:5b:ca inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0 inet6 addr: fe80::211:aff:fe61:5bca/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:4050072 errors:0 dropped:0 overruns:0 frame:0 TX packets:5552869 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:1137117211 (1.0 GiB) TX bytes:2178787698 (2.0 GiB) eth2:0 Link encap:Ethernet HWaddr 00:11:0a:61:5b:ca inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 eth2:1 Link encap:Ethernet HWaddr 00:11:0a:61:5b:ca inet addr:192.168.2.1 Bcast:192.168.2.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 eth3 Link encap:Ethernet HWaddr 00:11:0a:61:5b:cb inet addr:192.168.3.1 Bcast:192.168.3.255 Mask:255.255.255.0 inet6 addr: fe80::211:aff:fe61:5bcb/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:539402 errors:0 dropped:0 overruns:0 frame:0 TX packets:798688 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:69364773 (66.1 MiB) TX bytes:1024910935 (977.4 MiB) eth3:0 Link encap:Ethernet HWaddr 00:11:0a:61:5b:cb inet addr:192.168.4.1 Bcast:192.168.4.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 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:653 errors:0 dropped:0 overruns:0 frame:0 TX packets:653 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:41246 (40.2 KiB) TX bytes:41246 (40.2 KiB)
$ cat /etc/network/interfaces auto eth0 auto eth1 auto eth2 auto eth2:0 auto eth2:1 auto eth3 auto eth3:0 auto lo allow-hotplug eth0 allow-hotplug eth1 allow-hotplug eth2 allow-hotplug eth3 iface eth0 inet static address 89.17.xxx.xxx netmask 255.255.255.0 iface eth1 inet static address 83.18.xxx.xxx netmask 255.255.255.248 iface eth2 inet static address 192.168.0.1 netmask 255.255.255.0 iface eth2:0 inet static address 192.168.1.1 netmask 255.255.255.0 iface eth2:1 inet static address 192.168.2.1 netmask 255.255.255.0 iface eth3 inet static address 192.168.3.1 netmask 255.255.255.0 iface eth3:0 inet static address 192.168.4.1 netmask 255.255.255.0 iface lo inet loopback
$ cat /etc/resolv.conf nameserver 89.17.xxx.xxx nameserver 194.204.159.1
$ ip rule 0: from all lookup local 200: from 89.17.xxx.0/24 iff eth0 lookup T1 200: from 83.18.xxx.200/29 iff eth1 lookup T2 500: from 192.168.0.0/24 iif eth2 lookup T1 500: from 192.168.1.0/24 iif eth2 lookup T1 500: from 192.168.2.0/24 iif eth2 lookup T2 500: from 192.168.3.0/24 iif eth3 lookup T1 500: from 192.168.4.0/24 iif eth3 lookup T3 1000: from all lookup main 1000: from all lookup default
$ ip route 83.18.xxx.200/29 dev eth1 proto kernel scope link src 83.18.xxx.xxx 192.168.4.0/24 dev eth3 proto kernel scope link src 192.168.4.1 192.168.3.0/24 dev eth3 proto kernel scope link src 192.168.3.1 192.168.2.0/24 dev eth2 proto kernel scope link src 192.168.2.1 192.168.1.0/24 dev eth2 proto kernel scope link src 192.168.1.1 192.168.0.0/24 dev eth2 proto kernel scope link src 192.168.0.1 89.17.xxx.0/24 dev eth0 proto kernel scope link src 89.17.xxx.xxx default via 89.17.xxx.xxx dev eth0 src 89.17.xxx.xxx
Tablice T1, T2 oraz T3 są prawie takie same (różnią się tylko bramą domyślną).
Pozdrawiam,
Piotrek
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