Date: Mon, 22 May 2000 09:48:45 -0700 From: "Alex Griffiths" <dag@nasty.unifiedcomputing.com> To: <freebsd-questions@freebsd.org> Subject: Arp Problem? Message-ID: <009801bfc40d$983089c0$e3db66d8@unifiedcomputing.com>
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Hi Guys,
I'm using two FreeBSD 3.3 systems, each with the latest KAME IPsec =
extensions in order to setup a VPN between two sites. Both systems are =
exhibiting the same problem and I was hoping someone could help.
During normal operation the VPN works fine, both systems have a default =
route and can reach the Internet via that route. A "netstat -nr" shows =
the route and has an entry for the local router's IP address and it's =
corresponding MAC address. The MAC address is also in the arp table and =
shows up with "arp -a".
Unfortunately there appears to be a problem that occurs from time to =
time, about every hour or two, where one of the systems loses the =
ability to reach the Internet. When you login to the system you can't =
telnet to the default router, you get a "Host Down" message and an "arp =
-a" shows that the MAC address is no longer there, instead it claims to =
be "incomplete". Manually adding the entry seems to be a work around, =
but it still makes me nervous.
Any ideas?
Thanks,
--dag
-------------------------------------------------------------------------=
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Alex Griffiths
Unified Computing
dag@unifiedcomputing.com
ICQ: 7484868
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<DIV><FONT color=3D#000080 face=3D"Book Antiqua">Hi Guys,</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000080 face=3D"Book Antiqua">I'm using two FreeBSD =
3.3 systems,=20
each with the latest KAME IPsec extensions in order to setup a VPN =
between two=20
sites. Both systems are exhibiting the same problem and I was =
hoping=20
someone could help.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000080 face=3D"Book Antiqua">During normal operation =
the VPN=20
works fine, both systems have a default route and can reach the Internet =
via=20
that route. A "netstat -nr" shows the route and has an entry =
for the=20
local router's IP address and it's corresponding MAC address. The =
MAC=20
address is also in the arp table and shows up with "arp =
-a".</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000080 face=3D"Book Antiqua">Unfortunately there =
appears to be a=20
problem that occurs from time to time, about every hour or two, where =
one of the=20
systems loses the ability to reach the Internet. When you login to =
the=20
system you can't telnet to the default router, you get a "Host Down" =
message and=20
an "arp -a" shows that the MAC address is no longer there, instead it =
claims to=20
be "incomplete". Manually adding the entry seems to be a work =
around, but=20
it still makes me nervous.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000080 face=3D"Book Antiqua">Any ideas?</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000080 face=3D"Book Antiqua"> =
Thanks,</FONT></DIV>
<DIV><FONT color=3D#000080 face=3D"Book =
Antiqua"> =20
--dag</FONT></DIV>
<DIV> </DIV>
<DIV>
<HR>
</DIV>
<DIV align=3Dcenter><FONT color=3D#808000 face=3D"Book Antiqua" =
size=3D4>Alex=20
Griffiths</FONT></DIV>
<DIV align=3Dcenter><FONT color=3D#808000 face=3D"Book Antiqua">Unified=20
Computing</FONT></DIV>
<DIV align=3Dcenter><FONT color=3D#808000 face=3D"Book Antiqua"><A=20
href=3D"mailto:dag@unifiedcomputing.com">dag@unifiedcomputing.com</A></FO=
NT></DIV>
<DIV align=3Dcenter><FONT color=3D#808000 face=3D"Book Antiqua">ICQ:=20
7484868</FONT></DIV>
<DIV align=3Dcenter><FONT color=3D#808000>
<HR>
</FONT></DIV></BODY></HTML>
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