Ok, as a Solaris (and Linux) guy, I'm thoroughly confused by some
routing issues going on in this FreeBSD-based load balancer that I'm
working on.
This box has one upstream NIC (fxp0) and a 4-port (hub?) as fxp1.
Currently, it has two cables plugged into it (server1 and server2), and
two domains being load balanced:
192.168.254.128, 192.168.254.130 server1
192.168.254.129, 192.168.254.131 server2
I guess my first question is, why are these IP addresses even registered
on the load balancer? These IPs are plumbed and active on server1 and
server2 respectively. I'm assuming the below is some kind of routing
deal, but why is a route defined on the routing server?
I'm trying to add another server (192.168.254.254) that can be accessed
from the load balancer, server1 and server2.
Seems simple enough:
route add -host 192.168.254.254 192.168.254.1
but that didn't work.
I guess I need to figure out how to "define" 192.168.254.254 the same as
.128, .129, .130, .131 but I just can't figure it out because FreeBSD's
netstat output is so different from Solaris (or Linux).
Can anyone else? Let me know if you need more clarification..
192.168.254.1:# netstat -nr
Destination Gateway Flags Refs Use Netif Expire
default x.y.187.1 UGSc 54607523 55161243 fxp0
x.y.187/24 link#1 UC 6 0 fxp0
x.y.187.1 00:07:b4:00:bb:01 UHLW 7 0 fxp0 918
x.y.187.2 00:11:5d:9c:d0:00 UHLW 0 0 fxp0 120
x.y.187.3 00:0f:f8:de:f4:00 UHLW 0 0 fxp0 1187
x.y.187.4 00:14:22:73:0a:20 UHLW 0 9254 fxp0 1196
x.y.187.8/32 link#1 UC 0 0 fxp0
x.y.187.10/32 link#1 UC 0 0 fxp0
x.y.187.243 link#1 UHLW 7 7 fxp0
x.y.187.246 00:17:31:ef:5f:f9 UHLW 7528 7528 fxp0 807
127.0.0.1 127.0.0.1 UH 0 8 lo0
192.168.254 link#2 UC 6 0 fxp1
192.168.254.1 00:40:d9:02:48:ff UHLW 0 7 lo0
192.168.254.128 00:14:22:72:87:67 UHLW 7 13663296 fxp1 857
192.168.254.129 00:14:22:72:91:48 UHLW 7 12663561 fxp1 1138
192.168.254.130 00:14:22:72:87:67 UHLW 7 685454 fxp1 918
192.168.254.131 00:14:22:72:91:48 UHLW 8 560930 fxp1 918
192.168.254.255 ff:ff:ff:ff:ff:ff UHLWb 0 4 fxp1
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