Hi everyone,
I've been setting up IPv6 on the various networks I look after over the last
weeks. Today the turn came to a system that's running two FreeBSD boxes with
carp etc.
I added an inet6 address to the ethernet interface and then the 'carp address'
to carp0. The carp address is used by our upstream provider. Things appear
to work except I can't ping the carp address -- even from localhost!
carp0: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500
inet 207.171.2.194 netmask 0xfffffff8
inet6 2607:f238:0:11::2 prefixlen 125
carp: MASTER vhid 110 advbase 1 advskew 100
If I from the box itself ping this ::2 address, 'tcpdump -nn -i lo0' says:
06:57:47.606443 IP6 2607:f238:0:11::2 > 2607:f238:0:11::2: ICMP6, time exceeded
in-transit for 2607:f238:0:11::2, length 64
06:57:47.606472 IP6 2607:f238:0:11::2 > 2607:f238:0:11::2: ICMP6, time exceeded
in-transit for 2607:f238:0:11::2, length 64
06:57:47.606502 IP6 2607:f238:0:11::2 > 2607:f238:0:11::2: ICMP6, time exceeded
in-transit for 2607:f238:0:11::2, length 64
06:57:47.606531 IP6 2607:f238:0:11::2 > 2607:f238:0:11::2: ICMP6, time exceeded
in-transit for 2607:f238:0:11::2, length 64
06:57:47.606560 IP6 2607:f238:0:11::2 > 2607:f238:0:11::2: ICMP6, time exceeded
in-transit for 2607:f238:0:11::2, length 64
If I ping the ::2 address from another box, the relevant interface shows the
same response.
Any ideas?
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