IPv6 aliases with inet6 accept_rtadv

pajaro

pajaro

Hello everyone

How do you add more IP's to a server when the server is using ifconfig_vmx0_ipv6="inet6 accept_rtadv"? (I already have a main IPv6 address)
Code: 
ipv6_ifconfig_vmx0_alias0="xxxxxx"? Or is a better way since I didn't defined the gateway in rc.conf?
Thank you
 
You either use SLAAC or you use static addresses, not both.
 
I have not tried this combination by myself, however according to rc.conf(5) your syntax is wrong:
Code: 
Aliases should be set by ifconfig_<interface>_alias<n> with ``inet6'' keyword.  For example:

ifconfig_ed0_ipv6="inet6 2001:db8:1::1 prefixlen 64"
 ifconfig_ed0_alias0="inet6 2001:db8:2::1 prefixlen 64"

The next paragraph mentions SLAAC, but does not explicitly negate the possibility of combining both SLAAC and alias:
Code: 
Interfaces that have an ``inet6 accept_rtadv'' keyword in
ifconfig_<interface>_ipv6 setting will be automatically con-
figured by SLAAC (StateLess Address AutoConfiguration)
described in RFC 4862.

I would try
Code: 
 ifconfig_vmx0_ipv6="inet6 accept_rtadv"
 ifconfig_vmx0_alias0="inet6 2001:db8:2::1 prefixlen 64"

I see no reason why it should not work, as an alias could lie e.g. in another network prefix of the SLAAC-assigned one.

Regards
 
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