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Update configuration on IPv6 prefix change
==========================================
[◀ Go back to main README](../README.md)
> ℹ️ **Info**: This script can not be used on its own but requires the base
> installation. See [main README](../README.md) for details.
Description
-----------
With changing IPv6 prefix from ISP this script handles to update...
* ipv6 firewall address-list
* dns records
Requirements and installation
-----------------------------
Just install the script:
$ScriptInstallUpdate ipv6-update;
Your ISP needs to provide an IPv6 prefix, your device receives it via dhcp:
/ipv6/dhcp-client/add add-default-route=yes interface=ppp-isp pool-name=isp request=prefix script=ipv6-update;
Note this already adds this script as `script`. The pool name (here: "`isp`")
is important, we need it later.
Also this expects there is an address assigned from pool to an interface:
/ipv6/address/add from-pool=isp interface=br-local;
Sometimes dhcp client is stuck on reconnect and needs to be released.
Installing [ppp-on-up](ppp-on-up.md) may solve this.
Configuration
-------------
An address list entry is updated with current prefix and can be used in
firewall rules, comment has to be "`ipv6-pool-`" and actual pool name:
/ipv6/firewall/address-list/add address=2003:cf:2f0f:de00::/56 comment=ipv6-pool-isp list=extern;
As this entry is mandatory it is created automatically if it does not exist,
with the comment also set for list.
Address list entries for specific interfaces can be updated as well. The
interface needs to get its address from pool `isp` and the address list entry
has to be associated to an interface in comment:
/ipv6/firewall/address-list/add address=2003:cf:2f0f:de01::/64 comment="ipv6-pool-isp, interface=br-local" list=local;
Static DNS records need a special comment to be updated. Again it has to
start with "`ipv6-pool-`" and actual pool name, followed by a comma,
"`interface=`" and the name of interface this address is connected to:
/ip/dns/static/add address=2003:cf:2f0f:de00:1122:3344:5566:7788 comment="ipv6-pool-isp, interface=br-local" name=test.example.com ttl=15m;
See also
--------
* [Run scripts on ppp connection](ppp-on-up.md)
---
[◀ Go back to main README](../README.md)
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