From: Wouter Prins (wp@null0.nl)
Date: Sat Jan 03 2009 - 09:35:06 ARST
hi group,
I was wondering the following, and hope someone can clarify it a bit
more for me. :)
1.) VRRP uses multicast group 224.0.0.18 and has a mac-address of
00:00:5e:00:01:<vrid> (I/G bit to zero, so a unicast mac-address).
What i know is that when converting a multicast ip to a mac-address
you should map it the following way: and add: 01:00:5e<23 bits here>,
why hasnt this been done with VRRP?
2.) VRRP uses 224.0.0.18 which is a link local group, why does it send
the packets with a TTL of 255 if this range isnt supposed to be routed
anyway?
Thanks,
Wouter
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