This is 8.3-Release on a HP EliteBook 8460p (4-core i5) with an on board Intel
(em0) interface.
When attached a Trendent TU2-ET100 USB Ether dongle for a second interface, it
has no problem to talk to the local network (10.234.37.0/24), but it has
problem
to talk to a remote network or host (10.227.148.0/24) via eu0 interface.
When a remote host ping this host or this host ping that remote host, ARP
request is always showing up.
A static route is set and remote host is no part of the local sub net, why ARP
is going on?
Is any sysctl parameter can fix this problem?
-Jin
Internet:
Destination Gateway Flags Refs Use Netif Expire
default 10.234.16.1 UGS 0 2841993 em0
10.227.148.52 10.234.37.80 UHS 0 26 ue0
10.234.16.0/22 link#1 U 0 0 em0
10.234.17.41 link#1 UHS 0 0 lo0
10.234.37.0/24 link#8 U 0 3 ue0
10.234.37.80 link#8 UHS 0 0 lo0
127.0.0.1 link#7 UH 0 492 lo0
ue0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=80008<VLAN_MTU,LINKSTATE>
ether 00:50:b6:00:a4:91
inet 10.234.37.80 netmask 0xffffff00 broadcast 10.234.37.255
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
ping from 10.227.148.52
12:16:37.924425 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 1, length 64
12:16:37.924442 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:38.931919 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 2, length 64
12:16:38.931937 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:39.931662 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 3, length 64
12:16:39.931680 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:40.931656 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 4, length 64
12:16:40.931674 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:41.931519 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 5, length 64
12:16:41.931533 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:42.931643 IP 10.227.148.52 > 10.234.37.80: ICMP echo request, id 21002,
seq 6, length 64
ping to 10.227.148.52
12:16:42.931661 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:16:59.724724 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:17:00.725715 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:17:01.725883 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:17:02.726690 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
12:17:03.727677 ARP, Request who-has 10.227.148.52 tell 10.234.37.80, length 28
^C
45 packets captured
1557 packets received by filter
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