[afripv6-discuss] IPv6 netmask on multi-access network segments

Warwick Duncan warwick at frogfoot.com
Sat Feb 8 16:53:30 SAST 2014


Thanks all for the responses, it looks like the general idea of
assigning a /64 per network segment has no opposition.  The configured
netmask appears to be a matter of taste so I reckon I'll stick with the
/120 I chose at the start, until something emerges as a best practice.


On Sat, Feb 08, 2014 at 09:14:13AM +0200, Mark Tinka wrote:
> On Saturday, February 08, 2014 08:54:54 AM Mukom Akong T. 
> wrote:
> > There used reported an issue where a router would start
> > doing proceed switching if a non-/64 was configured.
> > Have you encountered this recently?
> Not on Cisco or Juniper routers.
> > You use /112s for LANs? Does that work with SLAAC?
> When I say LAN's I mean router, switch, server and service 
> LAN's, e.g., DNS servers, mail servers, web servers, 
> router/switch interfaces, e.t.c. For such cases, I manually 
> configure device addresses because I don't want to leave it 
> up to some random mechanism.
> On user LAN's (like a corporate office network), I use SLAAC 
> and DHCPv6, much like you'd use DHCPv4 for the same.
> Mark. 

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Warwick Duncan
Frogfoot Networks ISP

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