From b124f0b3b05bced1f916e9519d986d03f2b95c51 Mon Sep 17 00:00:00 2001 From: Yoshiaki Suyama Date: Sun, 16 Mar 2025 01:16:55 +0900 Subject: interface: T4627: support IPv6 Interface Identifier (token) for SLAAC Add common IPv6 CLI option (use ethernet as example): set interfaces ethernet eth0 ipv6 address interface-identifier Co-authored-by: Christian Breunig --- python/vyos/ifconfig/interface.py | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'python/vyos/ifconfig/interface.py') diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py index 979b62578..9a45ae66e 100644 --- a/python/vyos/ifconfig/interface.py +++ b/python/vyos/ifconfig/interface.py @@ -937,6 +937,20 @@ class Interface(Control): prefixlen = prefix.split('/')[1] self.del_addr(f'{eui64}/{prefixlen}') + def set_ipv6_interface_identifier(self, identifier): + """ + Set the interface identifier for IPv6 autoconf. + """ + cmd = f'ip token set {identifier} dev {self.ifname}' + self._cmd(cmd) + + def del_ipv6_interface_identifier(self): + """ + Delete the interface identifier for IPv6 autoconf. + """ + cmd = f'ip token delete dev {self.ifname}' + self._cmd(cmd) + def set_ipv6_forwarding(self, forwarding): """ Configure IPv6 interface-specific Host/Router behaviour. @@ -1792,6 +1806,23 @@ class Interface(Control): value = '0' if (tmp != None) else '1' self.set_ipv6_forwarding(value) + # Delete old interface identifier + # This should be before setting the accept_ra value + old = dict_search('ipv6.address.interface_identifier_old', config) + now = dict_search('ipv6.address.interface_identifier', config) + if old and not now: + # accept_ra of ra is required to delete the interface identifier + self.set_ipv6_accept_ra('2') + self.del_ipv6_interface_identifier() + + # Set IPv6 Interface identifier + # This should be before setting the accept_ra value + tmp = dict_search('ipv6.address.interface_identifier', config) + if tmp: + # accept_ra is required to set the interface identifier + self.set_ipv6_accept_ra('2') + self.set_ipv6_interface_identifier(tmp) + # IPv6 router advertisements tmp = dict_search('ipv6.address.autoconf', config) value = '2' if (tmp != None) else '1' -- cgit v1.2.3