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Hello everybody.
I have a pretty strange problem with linux 2.6.22.6
This is my 'ip ru sh', 'ip a s', 'ip r s' and
'iptables -t mangle -nvxL' output:
0: from all lookup local
32766: from all lookup main
32767: from all lookup default
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
qlen 1000
link/ether 00:30:05:cb:27:c1 brd ff:ff:ff:ff:ff:ff
inet HDSL.254/27 brd HDSL.255 scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
qlen 1000
link/ether 00:30:05:c2:56:0e brd ff:ff:ff:ff:ff:ff
inet HDSL.254/27 brd HDSL.255 scope global eth1
inet ADSL.134/29 brd ADSL.135 scope global eth1
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
qlen 100
link/ether 00:04:23:d0:0f:02 brd ff:ff:ff:ff:ff:ff
inet 172.16.1.1/23 brd 172.16.1.255 scope global eth2
HDSL.225 dev eth0 scope link
ADSL.129 dev eth0 scope link src ADSL.134
ADSL.128/29 dev eth1 proto kernel scope link src ADSL.134
HDSL.224/27 dev eth1 proto kernel scope link src HDSL.254
172.16.0.0/23 dev eth2 proto kernel scope link src 172.16.1.1
127.0.0.0/8 dev lo scope link
default via HDSL.225 dev eth0 metric 1
Chain OUTPUT (policy ACCEPT 2476380 packets, 1183993024 bytes)
pkts bytes target prot opt in out source
destination
312 20583 ACCEPT all -- * * 0.0.0.0/0
HDSL.224/27
61064 8582064 MARK tcp -- * * 0.0.0.0/0
!172.16.0.0/12 multiport dports
20,21,80,123,443,2080,8080,8201,10000,8102,1443,81 MARK set 0x1
0 0 MARK udp -- * * 0.0.0.0/0
!172.16.0.0/12 multiport dports 123 MARK set 0x1
105 5544 MARK all -- * * 0.0.0.0/0
!172.16.0.0/12 helper match "ftp" MARK set 0x1
When I try to ping ADSL.129 I get this arp request
reply:
13:00:45.156697 00:30:05:cb:27:c1 > ff:ff:ff:ff:ff:ff, ethertype ARP
(0x0806), length 42: arp who-has ADSL.129 tell ADSL.134
13:00:45.157459 00:1b:90:c8:47:76 > 00:30:05:cb:27:c1, ethertype ARP
(0x0806), length 60: arp reply ADSL.129 is-at 00:1b:90:c8:47:76
But I get this wrong arp request:
15:12:38.246096 00:30:05:cb:27:c1 > ff:ff:ff:ff:ff:ff, ethertype ARP
(0x0806), length 42: arp who-has ADSL.129 tell HDSL.254
15:12:38.248568 00:07:50:7e:65:e0 > 00:30:05:cb:27:c1, ethertype ARP
(0x0806), length 60: arp reply ADSL.129 is-at 00:07:50:7e:65:e0
when I issue this:
ip rule add fwmark 1 table adsl priority 400
I really don't understand why linux is doing the
arp request for ADSL.129 from HDSL.254 when
I insert the above rule.
This is the output from ip r s table adsl:
default via ADSL.129 dev eth0
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