In article <[EMAIL PROTECTED]>, Sean M. Doran <[EMAIL PROTECTED]> wrote: > >| Why treat exchange subnets differently to any other bit of backbone >| infrastructure? > >Oh, I wholeheartedly agree. I would love them all to use RFC 1918 >addresses, because it is VERY VERY VERY rare that anything outside >the scope in which the 1918 local use addresses are unique actually >has to communicate with backbone infrastructure of any type.
And again Path MTU discovery gets broken. >What communication can your workstation have with an XYZNET router? Receive ICMP size exceeded packets ? I haven't seen a 'icmp source lo0' interface command yet. Hopefully it will be added for ipv6 so exchanges can use link-local addressing (ipv6 has no fragmentation, PMTUd is mandatory). Mike.
