I forgot to send the ifconfig for the load balancer as well.
$ ifconfig -a
fxp0: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 1500
inet x.y.187.253 netmask 0xff00 broadcast x.y.187.255
inet6 fe80::240:d9ff:fe02:48fe%fxp0 prefixlen 64 scopeid 0x1
inet x.y.187.8 netmask 0x broadcast x.y.187.255
inet x.y.187.10 netmask 0x broadcast x.y.187.255
ether 00:40:d9:02:48:fe
media: Ethernet autoselect (100baseTX full-duplex)
status: active
fxp1: flags=c843UP,BROADCAST,RUNNING,SIMPLEX,LINK2,MULTICAST mtu 1500
inet 192.168.254.1 netmask 0xff00 broadcast 192.168.254.255
inet6 fe80::240:d9ff:fe02:48ff%fxp1 prefixlen 64 scopeid 0x2
ether 00:40:d9:02:48:ff
media: Ethernet autoselect (100baseTX full-duplex)
status: active
faith0: flags=8002BROADCAST,MULTICAST mtu 1500
lo0: flags=8049UP,LOOPBACK,RUNNING,MULTICAST mtu 16384
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4
inet 127.0.0.1 netmask 0xff00
ppp0: flags=8010POINTOPOINT,MULTICAST mtu 1500
sl0: flags=c010POINTOPOINT,LINK2,MULTICAST mtu 552
I guess my biggest question is, why do the IPs .128, .129, .130, .131
appear in the routing tables where they're NOT defined? I don't get it?
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
DestinationGatewayFlagsRefs Use Netif Expire
defaultx.y.187.1 UGSc 54607523 55161243 fxp0
x.y.187/24 link#1 UC 60 fxp0
x.y.187.1 00:07:b4:00:bb:01 UHLW70 fxp0918
x.y.187.2 00:11:5d:9c:d0:00 UHLW00 fxp0120
x.y.187.3 00:0f:f8:de:f4:00 UHLW00 fxp01187
x.y.187.4 00:14:22:73:0a:20 UHLW0 9254 fxp01196
x.y.187.8/32link#1 UC 00 fxp0
x.y.187.10/32 link#1 UC 00 fxp0
x.y.187.243 link#1 UHLW77 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 08lo0
192.168.254link#2 UC 60 fxp1
192.168.254.1 00:40:d9:02:48:ff UHLW07lo0
192.168.254.12800:14:22:72:87:67 UHLW7 13663296 fxp1 857
192.168.254.12900:14:22:72:91:48 UHLW7 12663561 fxp1 1138
192.168.254.13000:14:22:72:87:67 UHLW7 685454 fxp1 918
192.168.254.13100:14:22:72:91:48 UHLW8 560930 fxp1 918
192.168.254.255ff:ff:ff:ff:ff:ff UHLWb 04 fxp1
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