Date: Thu, 29 Oct 98 14:02:48 PST From: "D. Alex Neilson" <neilson@www.nugate.com> To: freebsd-questions@FreeBSD.ORG Cc: Alex Neilson <neilson@nugate.com> Subject: route to host on directly attached network Message-ID: <CMM.0.90.4.909698568.neilson@www.nugate.com>
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Route problem: Tell host 192.168.1.25 that host 192.168.2.25
is directly reachable via interface vx1 [1]
If 192.168.2.25 has ethernet address 04:20:38:af:eb:4c, it'd be
kewl if this would work
route add -host 192.168.2.25 04:20:38:af:eb:4c -interface vx1
but unfortunately it doesn't. Can I avoid ifconfig-ing a 192.168.2.X
address into the vx1 interface (an alias) to make it work?
I've tried every combination that could be implied
by route(8) (see appendix below), checked _The_Complete_FreeBSD_,
_TCP/IP_Illustrated_, all to no avail. This is a case were a
few examples would go a long way. I can make a small subnet via
route add -net 192.168.2.24 -netmask 0xfffffff8 -interface vx1
which works fine, but I just want the one host.
Thanks,
Alex
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Appendix
Here's the blurb in route(8)
If the destination is directly reachable via an interface requiring no
intermediary system to act as a gateway, the -interface modifier should
be specified; the gateway given is the address of this host on the common
network, indicating the interface to be used for transmission. Alter-
nately, if the interface is point to point the name of the interface it-
self may be given, in which case the route remains valid even if the lo-
cal or remote addresses change.
I've tried
route add -host 192.168.2.25 -interface vx1 (1)
route add -host 192.168.2.25 192.168.2.25 -interface vx1
route add -host 192.168.2.25 192.168.1.25 -interface vx1
and others. (1) comes closest: when pinging 2.25, it sends an ethernet
packet with vx's ethernet hardware adress as the source and destination
address of the packet.
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Notes
[1] Thanks for the previous response--I'm afraid that in trying to make
my question simple, I forgot that the 10-net is a class A, not
a class C, which I need to use.
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