Jyrki Soini wrote:
> An Echo Reply MUST be sent in response to an Echo Request message
> sent to an IPv6 multicast address. By default hop-limit IPv6 header
> field MUST be set to value 1 [on non-router hosts?]. The hop-limit
> SHOULD be administratively configurable. Hop-limit limitation is used to
> prevent Echo Reply message storms on large multicast groups.
...
> If [on non-router hosts?] is added to the wording, routers would
> send echo reply messages to multicast echo request packets.
> Still the resulted echo reply storm will be decreased from the current
> situation.
Clearly, I was not thinking far enough. Of course usually routers won't
belong to the multicast group even though their forward traffic to it.
Thus [on non-router hosts?] will usually have no affect at all.
---
Jyrki Soini
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