[arin-ppml] Proposal - Remove Initial Small Assignment Requirements for IPv6

hostmaster at uneedus.com hostmaster at uneedus.com
Mon Sep 13 14:44:29 EDT 2021


The answer to this was supposed to be sending perferred lifetime=0 
broadcasts from the router out on down networks, forcing the devices over 
to one of the remaining networks that are active for new connections. 
The issue of only operating on one of the two or more networks is not an 
issue, as long as the traffic is distributed close to equal among the 
available active networks which can be done by simply splitting your 
bandwidth over more than one provider.

However most current IPv6 stacks will not shut down the broken route, and 
herein is the problem.  If that problem could be solved, multihome for the 
masses would be much much easier, without any expansion of the v6 routing 
table like is required to use the BGP solution.  This is the problem that 
I wish the IETF would help us solve.

Albert Erdmann
Network Administrator
Paradise On Line Inc.

On Mon, 13 Sep 2021, William Herrin wrote:

> On Mon, Sep 13, 2021 at 10:44 AM Owen DeLong via ARIN-PPML
> <arin-ppml at arin.net> wrote:
>> 1. Connect the new ISP and add the new ranges to the routers.
>> 2. Add the new address range(s) to the servers.
>
> Broken from this step onwards. You now have two default routes and two
> IPv6 addresses with access attempts from external users to both. Many
> of your devices are not smart enough to match the route to the source
> address. Others are capable (e.g. Linux) but only if you're savvy
> enough to do some custom configuration beyond an entry in the /etc
> configuration file.
>
>> 3. Change your SLAAC RAs and DHCP servers over to announcing the new addresses
>> 4. Wait until the old addresses are deprecated off the interfaces of all the clients.
>> 5. Remove the old address range(s) from the servers.
>> 6. Remove the old address ranges from the routers.
>> 7. Disconnect the old ISP
>
> Regards,
> Bill Herrin
>
>
> -- 
> William Herrin
> bill at herrin.us
> https://bill.herrin.us/
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