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[mod_backhand-users] Re: mod_backhand
am at pixelhouse
Dec 2, 2001, 9:50 AM
Post #1 of 2 (582 views)
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Hi...

> MulticastStats expects a broadcast address or multicast address
> 213.70.6.16 is neither. This just won't work. You can specify
> 213.70.6.16 as the first argument if your mod_backhand doesn't guess
> that number without it specified.

What is the multicast address for 213.70.6.16 if its in 213.70.6.0 ?
213.70.6.255 does not work.
MulticastStats 213.70.6.255:4445

> The above byLogWindow doesn't do anything for you. The only time you
> will want to use byLogWindow is directly after a byRandom and before
> some other ordering function (like byLoad). Also, call byAge first (it
> uses less CPU to eliminate stale machine _before_ you sort by load.

Thanks i have done so.

Regards

Alex
[mod_backhand-users] Re: mod_backhand [ In reply to ]
jesus at omniti
Dec 7, 2001, 2:42 PM
Post #2 of 2 (550 views)
Permalink
On Sunday, December 2, 2001, at 11:50 AM, Alexander Meis wrote:
> What is the multicast address for 213.70.6.16 if its in 213.70.6.0 ?
> 213.70.6.255 does not work.
> MulticastStats 213.70.6.255:4445

There isn't _a_ multicast address for a given IP. Multicast doesn't
work that way. I would suggest sticking with broadcast addresses until
you have things working and have good understanding of how multicast
works (your network needs to be correctly configured for multicast).

The question: "What is the broadcast address for 213.70.6.16 if its in
213.70.6.0?"
can't be answered without more information. It really depends on your
netmask (your subnet size). If you are on a class C /24 (netmask
255.255.255.0) then the broadcast would indeed be 213.70.6.255.
However, if you are on a /27 (netmask 255.255.255.224) then your
broadcast would be 213.70.6.31. It is essential that you machines have
a correct broadcast address and netmask.

If they are all on the same subnet, they should each have the same
netmask and broadcast address. Using ifconfig you should be able to
tell what your broadcast address is -- use that.

--
Theo Schlossnagle
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2047R/33131B65/71 F7 95 64 49 76 5D BA 3D 90 B9 9F BE 27 24 E7

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