Add support for IPv6 address_group and network_group (#202)
Add support for IPv6 address_group and network_group
SUMMARY
This adds support for ipv6 in network and address groups by adding an afi parameter, but defaulting it to ipv4 for backwards compatibility.
Fixes #137.
ISSUE TYPE
Feature Pull Request
COMPONENT NAME
vyos_firewall_global
Reviewed-by: GomathiselviS <None>
Reviewed-by: Shawn Wilsher <None>
Reviewed-by: None <None>