Hello Jeff,

Wednesday, October 1, 2014, 12:14:53 PM, you wrote:

J> It sounds like "ping -I" is what I was looking for, but when I use it, it 
seems
J> to be sending out the packet with the right source address, but sending it to
J> the wrong interface.....are there any tricks here?

J> Here's some data (edited) to show what I'm seeing:

J> fxp0: inet 10.16.100.1 netmask 0xfffffff0 broadcast 10.16.100.15

J> fxp1: inet 192.168.243.152 netmask 0xffffff00 broadcast 192.168.243.255

J> when I try "ping -I 192.168.243.152 ucla.edu", I see the following:

J> tcpdump -i fxp0 icmp and host ucla.edu
J> tcpdump: listening on fxp0, link-type EN10MB
J> 13:06:36.478450 192.168.243.152 > 128.97.27.37: icmp: echo request
J> 13:06:37.483393 192.168.243.152 > 128.97.27.37: icmp: echo request
J> 13:06:38.493244 192.168.243.152 > 128.97.27.37: icmp: echo request

J> The routing table shows:

J> 10.16.100.0/28     link#1             UC         4        0     -     4 fxp0
J> 192.168.243/24     link#2             UC         1        0     -     4 fpx1


  The output of "route -n get ucla.edu" would be helpful.
  It seems like you need more knowledge about routing, otherwise there is a
very big chance you "shoot yourself in the foot" messing around this. Been
there, probably still is.

-- 
Best regards,
 Boris                            mailto:bo...@twopoint.com

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