Date: Mon, 28 May 2012 15:14:57 +0900 From: Randy Bush <randy@psg.com> To: freebsd-net <freebsd-net@FreeBSD.org> Subject: complex v6 gateway - live by tunnels die by tunnels Message-ID: <m2obp8ygpq.wl%randy@psg.com>
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problem:
some devices are getting a v6 address and find the gateway, i.e. a
lionized macbook air. but a ripe atlas probe is getting an address but
not gateway.
environment and config:
the router is a soekris 5501 gateway running
FreeBSD soek0.psg.com 9.0-STABLE FreeBSD 9.0-STABLE #0: Fri Jan 27 03:05:06 GMT 2012 root@soek0.psg.com:/usr/obj/usr/src/sys/SOEK0 i386
.------------------------------.
| |
| b --wlan0|
| r | 192.168.0.0/24
WAN IIJ | i --- vr1| LAN hosts,
PPP/NAT ---|vr0[PPPoE][ppp]tun0--d | DHCP Clients
210.138.216.50 | g --- vr2| ...
| e |
| 0 --- vr3|
| |
`------------------------------'
and tunneled v6 over that
### IPv6 options: ###
ipv6_activate_all_interfaces=YES
ipv6_gateway_enable=YES
#ipv6_cpe_wanif=????? maybe this would help, but what interface?
route6d_enable=YES
route6d_flags="-A 2001:240:6a8::/48,gif0 -O 2001:240:6a8::/48,gif0"
rtsold_enable=YES
rtadvd_enable=YES
rtadvd_interfaces="vr0 bridge0"
gif_interfaces=gif0
gifconfig_gif0="210.138.216.50 210.138.77.245"
ipv6_static_routes=gif
ipv6_route_gif="default -interface gif0"
soek0.psg.com:/root# ifconfig
vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8280b<RXCSUM,TXCSUM,VLAN_MTU,WOL_UCAST,WOL_MAGIC,LINKSTATE>
ether 00:00:24:c8:b3:28
inet6 fe80::200:24ff:fec8:b328%vr0 prefixlen 64 scopeid 0x1
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vr1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=82809<RXCSUM,VLAN_MTU,WOL_UCAST,WOL_MAGIC,LINKSTATE>
ether 00:00:24:c8:b3:29
inet6 fe80::200:24ff:fec8:b329%vr1 prefixlen 64 scopeid 0x2
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (100baseTX <full-duplex>)
status: active
vr2: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=82809<RXCSUM,VLAN_MTU,WOL_UCAST,WOL_MAGIC,LINKSTATE>
ether 00:00:24:c8:b3:2a
inet6 fe80::200:24ff:fec8:b32a%vr2 prefixlen 64 scopeid 0x3
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (none)
status: no carrier
vr3: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=82809<RXCSUM,VLAN_MTU,WOL_UCAST,WOL_MAGIC,LINKSTATE>
ether 00:00:24:c8:b3:2b
inet6 fe80::200:24ff:fec8:b32b%vr3 prefixlen 64 scopeid 0x4
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (none)
status: no carrier
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
ether 00:0b:6b:83:59:25
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
status: running
ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=3<RXCSUM,TXCSUM>
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x9
inet 127.0.0.1 netmask 0xff000000
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 02:52:fd:5d:b5:00
inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
inet6 fe80::452:fdff:fe5d:b500%bridge0 prefixlen 64 scopeid 0xa
inet6 2001:240:6a8::1 prefixlen 64
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
member: wlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 12 priority 128 path cost 370370
member: vr3 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 4 priority 128 path cost 55
member: vr2 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 3 priority 128 path cost 55
member: vr1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 2 priority 128 path cost 55
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1280
tunnel inet 210.138.216.50 --> 210.138.77.245
inet6 fe80::200:24ff:fec8:b328%gif0 prefixlen 64 scopeid 0xb
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
options=1<ACCEPT_REV_ETHIP_VER>
wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 00:0b:6b:83:59:25
inet6 fe80::20b:6bff:fe83:5925%wlan0 prefixlen 64 scopeid 0xc
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
status: running
ssid rgnet-crypt channel 11 (2462 MHz 11g) bssid 00:0b:6b:83:59:25
country US ecm authmode WPA2/802.11i privacy MIXED deftxkey 2
TKIP 2:128-bit TKIP 3:128-bit txpower 21 scanvalid 60 protmode CTS wme
burst dtimperiod 1 -dfs
tun0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1454
options=80000<LINKSTATE>
inet 210.138.216.50 --> 210.149.34.72 netmask 0xffffffff
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
Opened by PID 1398
tun1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> metric 0 mtu 1500
options=80000<LINKSTATE>
inet6 fe80::200:24ff:fec8:b328%tun1 prefixlen 64 scopeid 0xe
inet 192.168.0.65 --> 192.168.0.66 netmask 0xffffffff
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
Opened by PID 2098
randy
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