Mailing List Archive: possible bug in assignment of broadcast address in v1.2.0

Interesting... anyone have thoughts on this?

System A
int fxp0 192.168.75.22 255.255.255.0
vip 192.168.75.100
of 192.168.75.100-101
netmask 255.255.255.255

System B
int fxp0 192.168.75.23 255.255.255.0
vip 192.168.75.101
of 192.168.75.100-101
netmask 255.255.255.255

If I fail system B, system A correctly takes over the IP address of B and
all is well. However, if I fail system A, then system B does take over the
.100 address, but look at this from system B when A is failed...

fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 192.168.75.23 netmask 0xffffff00 broadcast 192.168.75.255
inet 192.168.75.101 netmask 0xffffffff broadcast 192.168.75.255
inet 192.168.75.100 netmask 0xffffffff broadcast 152.0.5.14
ether 00:e0:81:22:2b:20
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active

Look at that broadcast address!? 152.0.5.14? If I fail system B, then when
system A takes over the .101 address, the broadcast address is
192.168.75.255 as it should be. This is reproducable. Any thoughts???

Jay West

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Jay West wrote:

>Interesting... anyone have thoughts on this?
>
>System A
>int fxp0 192.168.75.22 255.255.255.0
>vip 192.168.75.100
>of 192.168.75.100-101
>netmask 255.255.255.255
>
>System B
>int fxp0 192.168.75.23 255.255.255.0
>vip 192.168.75.101
>of 192.168.75.100-101
>netmask 255.255.255.255
>
>If I fail system B, system A correctly takes over the IP address of B and
>all is well. However, if I fail system A, then system B does take over the
>.100 address, but look at this from system B when A is failed...
>
>fxp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet 192.168.75.23 netmask 0xffffff00 broadcast 192.168.75.255
> inet 192.168.75.101 netmask 0xffffffff broadcast 192.168.75.255
> inet 192.168.75.100 netmask 0xffffffff broadcast 152.0.5.14
> ether 00:e0:81:22:2b:20
> media: Ethernet autoselect (100baseTX <full-duplex>)
> status: active
>
>Look at that broadcast address!? 152.0.5.14? If I fail system B, then when
>system A takes over the .101 address, the broadcast address is
>192.168.75.255 as it should be. This is reproducable. Any thoughts???
>
>
If this were to be fixed... It would only be fixed in the development
branch. So, please reproduce the error on the latest checkout of
wackamole CVS (HEAD branch) and I will take it from there.

--
Theo Schlossnagle
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