IPv6 address persistent configuration thru ifconfig

2008-01-22 Thread Prabhu Hariharan
Hi, In host implementation, if I manually configure global ipv6 address via ifconfig command then those addresses are not persistent after making the interface DOWN and again UP, which is not the case for IPv4 addresses. Is this an intentional behavior that all ipv6 address needs to be removed fr

Re: IPv6 address persistent configuration thru ifconfig

2008-01-22 Thread Prabhu Hariharan
Is this behavior exists from the beginning of KAME integration or available in latest freebsd code? Because I was using a box which derives its ipv6 code from KAME project and the behavior was different from this. Also, in a host which uses Red Hat Enterprise Linux AS release 4 (Nahant Update 4),

Unspecified IPv6 Address

2008-01-23 Thread Prabhu Hariharan
Hi, Why certain hosts of freebsd can be configurable with unspecified (::) (all-zero) IPv6 addresses in its interfaces? RFC 4291 clearly mentions "this address must never be assigned to any node". Is there is any use-case or motivation behind accepting this address in an interface? Regards, Pra