PF: matching gif(4) encapsulated IPv6
Kimmo Paasiala
kpaasial at gmail.com
Wed Sep 5 23:13:18 UTC 2012
Hello,
I'd like to prioritize gif(4) encapsulated IPv6 over other IPv4
traffic on an interface. I have queues set up and the shaping works
for other types of IPv4 traffic but for some reason I can't find a way
to match outgoing protocol 41 (ipv6) on the interface. My rule is
simply:
pass out log quick on $WAN proto ipv6 from <myendpoint> to
<remoteendpoint> queue(qWAN_proto41)
The rule should match but gets no hits. What is really puzzling is
that pfctl -v -ss shows a state:
all ipv6 <myendpoint> -> <remoteendpoint> MULTIPLE:MULTIPLE
age 28:01:28, expires in 00:00:59, 198282:210890 pkts,
31007357:140434503 bytes
What creates this state if it's not my rule?
System details: 9-STABLE r239722 amd64. Pf(4) compiled with altq(4)
and loaded as modules.
ifconfig gif0 shows:
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
tunnel inet <myendpoint> --> <remoteendpoint>
inet6 fe80::6ef0:49ff:fed3:b400%gif0 prefixlen 64 scopeid 0x6
inet6 <tunnelipv6local> --> <tunnelipv6remote> prefixlen 128
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
options=1<ACCEPT_REV_ETHIP_VER
ifconfig em0 (WAN):
em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric
0 mtu 1500
options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC>
ether 00:1b:21:14:ca:5e
inet6 fe80::21b:21ff:fe14:ca5e%em0 prefixlen 64 scopeid 0x2
inet <myendpoint> netmask 0xfffff000 broadcast aa.bb.cc.dd
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
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