Hi All,

I try to ping some routers on one of their Subnet-Router anycast addresses 
(SRAA).
(http://tools.ietf.org/html/rfc4291#section-2.6.1)

Some (Cisco) reply with an unicast source address (same subnet prefix).
Another one (Alcatel) reply with the SRAA as source address.
A Linux kernel in IPv6 forwarding mode behave like the Cisco router.

The RFC 4291 removed the restrictions on using IPv6 anycast addresses, so a 
SRAA may be used as a source address.

Is there an RFC which describe the reply source address that must be used ?

Thanks,
Francois-Xavier Le Bail

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