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arp -s PROBLEM: cannot intuit interface index...

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Jul 31, 2006, 9:49:55 PM7/31/06
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OS: FreeBSD 6.0-RELESASE
Problem description:
I want to add a permanent item to my arp list. I use:
arp -s 192.168.1.118 00:50:ba:dd:23:12
System replies:
cannot intuit interface index and type for 192.168.1.118

Why this happens? Please help me. Thanks.

Tim Judd

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Aug 1, 2006, 12:52:49 AM8/1/06
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Never seen the error, never had to add static ARP entry. The error
sounds like:

You're NIC is on LAN 192.168.0.x/24 (OR anything non-192.168.1.x)
You're trying to add an entry to 192.168.1.x/24
ARP cannot identify what interface would be used to reach that address.

Please post your ifconfig and/or network config.

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Aug 2, 2006, 3:29:43 AM8/2/06
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my Ethernet card configure:
=================================
lnc0: flags=108843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,NEEDSGIANT>
mtu 1500
inet6 fe80::20c:29ff:fe98:cd6%lnc0 prefixlen 64 scopeid 0x1
inet 192.168.1.10 netmask 0xffffff00 broadcast 192.168.1.255
ether 00:50:ba:33:23:16
lnc1: flags=108843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,NEEDSGIANT>
mtu 1500
inet6 fe80::20c:29ff:fe98:ce0%lnc1 prefixlen 64 scopeid 0x2
inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
ether 00:50:ba:33:23:17
plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST,NEEDSGIANT> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet 127.0.0.1 netmask 0xff000000

my Router table:
=================================
Routing tables

Internet:
Destination Gateway Flags Refs Use Netif
Expire
default 192.168.2.1 UGS 0 0 lnc1
127.0.0.1 127.0.0.1 UH 0 0 lo0
192.168.1 link#1 UC 0 0 lnc0
192.168.2 link#2 UC 0 0 lnc1

Internet6:
Destination Gateway Flags
Netif Expire
::1 ::1 UH
lo0
fe80::%lnc0/64 link#1 UC
lnc0
fe80::20c:29ff:fe98:cd6%lnc0 00:0c:29:98:0c:d6 UHL
lo0
fe80::%lnc1/64 link#2 UC
lnc1
fe80::20c:29ff:fe98:ce0%lnc1 00:0c:29:98:0c:e0 UHL
lo0
fe80::%lo0/64 fe80::1%lo0 U
lo0
fe80::1%lo0 link#4 UHL
lo0
ff01::/32 ::1 U
lo0
ff02::%lnc0/32 link#1 UC
lnc0
ff02::%lnc1/32 link#2 UC
lnc1
ff02::%lo0/32 ::1 UC
lo0

======================================
arp -a
? (192.168.1.118) at 00:50:ba:dd:32:a6 on lnc0 [ethernet]
? (192.168.2.1) at 00:50:ba:33:23:17 on lnc1 permanent [ethernet]
? (192.168.2.2) at 00:50:ba:33:23:18 on lnc1 [ethernet]

arp -s 192.168.1.119 00:50:ba:dd:32:a7

NO ERROR REPLY!!!
I don't know why. But "cannot intuit interface index" displayed before.

Tim Judd 写道：

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