Choice of address for IPv6 default gateway

Owen DeLong owen at delong.com
Thu Jan 26 13:44:20 UTC 2012


>> 
>> Letting a host run slaac and then add a static address is not good
>> enough as the slaac address might be chosen for locally generated packets.
> 
> 
> Define for every application your bind address - locally generated packets will use it. If it is not possible Use RFC 3484 source address selection for selecting static source addresses.
> 

Actually, RFC 3484 would be the preferred mechanism over configuring every application.

Application specific address binding should only be used for applications that need an exception to the host-wide source address selection choice.

	+	Fewer surprises for your ops team
	+	Lower probability of a mistake leading to incorrect source address selection
	+	Reduced probability of configuration mistake time-bombs
	+	Reduces the amount of configuration required for a host


Owen





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