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