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routing

From: Dan Walrond <djw(at)bylands.dur.ac.uk>
Date: Mon Mar 31 2003 - 19:33:56 EST

Well I've made some progress but not much. My tunnel works and I can ping the outside world via IPv6 from my OpenBSD router. I have two linux boxes which I've configured with IPv6 addresses and they can talk to each other fine. But I cannot ping the OpenBSD box, nor can I ping the linux boxes from the OpenBSD box. I can ping the OpenBSD boxes own IPv6 address on the same ethernet as the linux boxen, but that's it. They just won't talk with each other.

Hopefully I'm not overloading the mailing list with my configs. Can you please tell what I've got wrong. Reading stuff on the internet isn't helping me.

Okay, my config looks like.....

$ route show
Routing tables

Internet:

Destination      Gateway            Flags 
default          public1-leed4-6-gw UG     
80.7.77.0        link#3             U      
public1-leed4-6- 0:4:9b:ed:b0:a8    UH     
public1-leed4-6- localhost          UGH    
127.0.0.0        localhost          UG     
localhost.sumoda localhost          UH     
192.168.0.0      link#2             U      
seleya.sumodave. 0:a0:24:b8:64:a9   UH     
vixis.sumodave.c 0:a0:24:cc:7e:30   UH     
192.168.1.0      link#1             U      
algeron.sumodave localhost          UGH    
bortas.sumodave. 0:50:4:20:85:99    UH     
targ.sumodave.co 0:40:63:c0:b5:5e   UH     
BASE-ADDRESS.MCA localhost          U      

Internet6:
Destination      Gateway            Flags 
default          localhost.sumodave UG     
default          localhost.sumodave UG     
default          gif2004.tunnels.ip UG     
localhost.sumoda localhost.sumodave UH     

::127.0.0.0      localhost.sumodave UG     

::224.0.0.0      localhost.sumodave UG     

::255.0.0.0      localhost.sumodave UG     


::ffff:0.0.0.0   localhost.sumodave UG     


2001:618:4:16de:: link#1             U      
2001:618:4:16de::1 0:20:af:b5:bc:b7   UH     
2001:618:4:16de::3 0:50:4:20:85:99    UH     
2001:618:4:16de::5 0:40:63:c0:b5:5e   UH     
2001:618:4:2000:: walrond.tunnels.ip UG     
gif2004.tunnels. walrond.tunnels.ip UH     
walrond.tunnels. localhost.sumodave UH     
2002::           localhost.sumodave UG     
2002:7f00::      localhost.sumodave UG     
2002:e000::      localhost.sumodave UG     
2002:ff00::      localhost.sumodave UG     
fe80::           localhost.sumodave UG     
fe80::%ep0       link#1             U      
fe80::%ep1       link#2             U      
fe80::%ep2       link#3             U      
fe80::%lo0       fe80::1%lo0        U      
fe80::%gif0      link#19            U      
fe80::220:afff:feb5:bcb7%gif0 localhost.sumodave UH     
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fec0::           localhost.sumodave UG     
ff01::           localhost.sumodave U      
ff02::%ep0       link#1             U      
ff02::%ep1       link#2             U      
ff02::%ep2       link#3             U      
ff02::%lo0       fe80::1%lo0        U      
ff02::%gif0      link#19            U

$ netstat -rn
Routing tables

Internet:
Destination Gateway Flags Refs Use Mtu Interface
default 80.7.77.1 UGS -249 4996359 1500 ep2
80.7.77/24 link#3 UC 0 0 1500 ep2
80.7.77.1 0:4:9b:ed:b0:a8 UHL 1 1617 1500 ep2
80.7.77.83 127.0.0.1 UGHS 0 254 33224 lo0
127/8 127.0.0.1 UGRS 0 0 33224 lo0
127.0.0.1 127.0.0.1 UH 5 21486 33224 lo0
192.168.0/24 link#2 UC 0 0 1500 ep1
192.168.0.2 0:a0:24:b8:64:a9 UHL 0 1938 1500 ep1
192.168.0.3 0:a0:24:cc:7e:30 UHL 2 1092583 1500 ep1
192.168.1/24 link#1 UC 0 0 1500 ep0
192.168.1.1 127.0.0.1 UGHS 0 0 33224 lo0
192.168.1.3 0:50:4:20:85:99 UHL 0 5204 1500 ep0
192.168.1.5 0:40:63:c0:b5:5e UHL 3 119271 1500 ep0
224/4 127.0.0.1 URS 0 0 33224 lo0

Do you need more help?

Internet6:

Destination                        Gateway                        Flags
Refs     Use    Mtu  Interface


::/104                             ::1                            UGRS


0        0  33224   lo0 =>


::/96                              ::1                            UGRS


0        0  33224   lo0 =>
default                            2001:618:4:2000::10bf          UGS
0       12   1280   gif0


::1                                ::1                            UH


12    20793  33224   lo0


::127.0.0.0/104                    ::1                            UGRS


0        0  33224   lo0


::224.0.0.0/100                    ::1                            UGRS


0        0  33224   lo0


::255.0.0.0/104                    ::1                            UGRS


0        0  33224   lo0


::ffff:0.0.0.0/96                  ::1                            UGRS


0        0  33224   lo0
2001:618:4:16de::/64               link#1                         UC
0        0   1500   ep0
2001:618:4:16de::1                 0:20:af:b5:bc:b7               UHL
1        8   1500   lo0
2001:618:4:16de::3                 0:50:4:20:85:99                UHL
0       38   1500   ep0
2001:618:4:16de::5                 0:40:63:c0:b5:5e               UHL
0       14   1500   ep0
2001:618:4:2000::/64               2001:618:4:2000::10c0          UGS
0        0  33224   gif0
2001:618:4:2000::10bf              2001:618:4:2000::10c0          UH
1        3   1280   gif0
2001:618:4:2000::10c0              ::1                            UH
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1        0  33224   lo0
2002::/24                          ::1                            UGRS
0        0  33224   lo0
2002:7f00::/24                     ::1                            UGRS
0        0  33224   lo0
2002:e000::/20                     ::1                            UGRS
0        0  33224   lo0
2002:ff00::/24                     ::1                            UGRS
0        0  33224   lo0
fe80::/10                          ::1                            UGRS
0        3  33224   lo0
fe80::%ep0/64                      link#1                         UC
0        0   1500   ep0
fe80::%ep1/64                      link#2                         UC
0        0   1500   ep1
fe80::%ep2/64                      link#3                         UC
0        0   1500   ep2
fe80::%lo0/64                      fe80::1%lo0                    U
0        0  33224   lo0
fe80::%gif0/64                     link#19                        UC
0        0   1280   gif0
fe80::220:afff:feb5:bcb7%gif0      ::1                            UH
0        0  33224   lo0
fec0::/10                          ::1                            UGRS
0        0  33224   lo0
ff01::/32                          ::1                            U
0        0  33224   lo0
ff02::%ep0/32                      link#1                         UC
0        0   1500   ep0
ff02::%ep1/32                      link#2                         UC
0        0   1500   ep1
ff02::%ep2/32                      link#3                         UC
0        0   1500   ep2
ff02::%lo0/32                      fe80::1%lo0                    UC
0        0  33224   lo0
ff02::%gif0/32                     link#19                        UC
0        0   1280   gif0

Encap:
Source             Port  Destination        Port  Proto
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SA(Address/Proto/Type/Direction)

$ ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33224

        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6
	inet6 ::1 prefixlen 128
	inet 127.0.0.1 netmask 0xff000000

lo1: flags=8008<LOOPBACK,MULTICAST> mtu 33224 ep0: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500

        media: Ethernet 10baseT
	inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
	inet6 fe80::220:afff:feb5:bcb7%ep0 prefixlen 64 scopeid 0x1
	inet6 2001:618:4:16de::1 prefixlen 64

ep1: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500

        media: Ethernet 10baseT
	inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255
	inet6 fe80::260:8ff:fe72:ab57%ep1 prefixlen 64 scopeid 0x2

ep2: flags=8863<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST> mtu 1500

        media: Ethernet 10baseT
	inet6 fe80::2a0:24ff:fe4b:e814%ep2 prefixlen 64 scopeid 0x3
	inet 80.7.77.83 netmask 0xffffff00 broadcast 255.255.255.255

pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33224 sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296 sl1: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 296

ppp0: flags=8010 mtu 1500
ppp1: flags=8010 mtu 1500
tun0: flags=10 mtu 3000
tun1: flags=10 mtu 3000
enc0: flags=0<> mtu 1536

bridge0: flags=0<> mtu 1500
bridge1: flags=0<> mtu 1500
vlan0: flags=0<> mtu 1500
vlan1: flags=0<> mtu 1500
gre0: flags=8010<POINTOPOINT,MULTICAST> mtu 1450 gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280

        physical address inet 80.7.77.83 --> 213.253.1.201
	inet6 fe80::220:afff:feb5:bcb7%gif0 -> :: prefixlen 64 scopeid
	0x13
	inet6 2001:618:4:2000::10c0 -> 2001:618:4:2000::10bf prefixlen
	128
gif1: flags=8010 mtu 1280

gif2: flags=8010<POINTOPOINT,MULTICAST> mtu 1280 gif3: flags=8010<POINTOPOINT,MULTICAST> mtu 1280

$ ping6 2001:618:4:16de::5
PING6(56=40+8+8 bytes) 2001:618:4:16de::1 --> 2001:618:4:16de::5 ping6: sendmsg: No route to host
ping6: wrote 2001:618:4:16de::5 16 chars, ret=-1

On the linux box to the OpenBSD box...

bortas:/usr/src# ping6 2001:618:4:16de::1 PING 2001:618:4:16de::1(2001:618:4:16de::1) 56 data bytes >From ::1 icmp_seq=1 Destination unreachable: Address unreachable

>From the linux box to another linux box.....

bortas:/usr/src# ping6 2001:618:4:16de::3 PING 2001:618:4:16de::3(2001:618:4:16de::3) 56 data bytes 64 bytes from 2001:618:4:16de::3: icmp_seq=1 ttl=64 time=0.035 ms

Thanks,
Dan Received on Mon Mar 31 19:35:50 2003

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