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[SOLVED] Cannot set IPv6 default route when setup
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OstCollector
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Joined: 02 Jan 2013
Posts: 4

PostPosted: Wed Jan 02, 2013 2:44 pm    Post subject: [SOLVED] Cannot set IPv6 default route when setup Reply with quote

After re-install the system, I met the problem the same as http://forums.gentoo.org/viewtopic-p-6532843.html

here is my configuration and tracepath6 result

Code:

# /etc/conf.d/net
# This blank configuration will automatically use DHCP for any net.*
# scripts in /etc/init.d.  To create a more complete configuration,
# please review /usr/share/doc/openrc/net.example and save your configuration
# in /etc/conf.d/net (this file :]!).

dns_domain_lo="********.name"


config_eth0="206.***.***.141/24
        2607:****:****:c21::****:c410/64"

routes_eth0="default via 206.***.***.1
        default via 2607:****:****:c21::1"

dns_servers="8.8.8.8
        8.8.4.4"


Code:

# /var/log/rc.log
 * Bringing up interface eth0
 *   206.***.***.141/24 ...
 [ ok ]
 *   2607:****:****:c21::****:c410/64 ...
 [ ok ]
 *   Adding routes
 *     default via 206.****.****.1 ...
 [ ok ]
 *     default via 2607:****:****:c21::1 ...
2607:****:****:c21::1: Unknown host
 [ !! ]


Code:

tracepath6 -n 2607:****:****:c21::1
 1?: [LOCALHOST]                        0.000ms pmtu 1500
 1:  2607:****:****:c21::1                                  0.000ms reached
 1:  2607:****:****:c21::1                                  0.000ms reached
     Resume: pmtu 1500 hops 1 back 64



It seems I can set the default route manually:
Code:

# current ipv6 routing table
admin@www ~ $ route -6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
::1/128                        ::                         Un   0   1     8 lo
2607:****:****:c21::****:c410/128 ::                         Un   0   1     0 lo
2607:****:****:c21::/64         ::                         U    256 0     0 eth0
fe80::216:3cff:fe69:1eb/128    ::                         Un   0   1     0 lo
fe80::/64                      ::                         U    256 0     0 eth0
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           ::                         !n   -1  1    13 lo

# manually set IPv6 route
admin@www ~ $ sudo route -A inet6 add ::/0 gw 2607:****:****:c21::1

# new IPv6 routing table
admin@www ~ $ route -6
Kernel IPv6 routing table
Destination                    Next Hop                   Flag Met Ref Use If
::1/128                        ::                         Un   0   1     8 lo
2607:****:****:c21::****:c410/128 ::                         Un   0   1     0 lo
2607:****:****:c21::/64         ::                         U    256 0     1 eth0
fe80::216:3cff:fe69:1eb/128    ::                         Un   0   1     0 lo
fe80::/64                      ::                         U    256 0     0 eth0
ff00::/8                       ::                         U    256 0     0 eth0
::/0                           2607:****:****:c21::1       UG   1   0     0 eth0
::/0                           ::                         !n   -1  1    13 lo

# test
admin@www ~ $ sudo tracepath6 -n he.net
 1?: [LOCALHOST]                        0.000ms pmtu 1500
 1:  2607:****:****:c21::1                                  2.999ms
 1:  2607:****:****:c21::1                                  0.000ms
 2:  2607:****:****:c20::1                                  1.999ms
 3:  2607:fcd0::1d                                         0.999ms
 4:  2001:504:13::1a                                       3.998ms
 5:  2001:470:0:72::1                                      0.999ms
 6:  2001:470:0:2f::1                                      8.995ms asymm  7
 7:  2001:470:0:76::2                                      9.994ms reached
     Resume: pmtu 1500 hops 7 back 57



Now I want to set the gateway when setup, rather than manually.

I will provide more information if you require.


Last edited by OstCollector on Thu Jan 03, 2013 3:14 am; edited 1 time in total
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floppymaster
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Developer


Joined: 07 Jul 2010
Posts: 218
Location: Detroit, MI, USA

PostPosted: Wed Jan 02, 2013 4:57 pm    Post subject: Reply with quote

Firstly, I recommend installing sys-apps/iproute2 and using the "ip route" command. The old "route" command uses a deprecated interface.

You should be able to configure a default route for IPv6 by specifying ::/0 as the network. For example:
Code:
routes_eth0="default via 206.***.***.1
   ::/0 via 2607:****:****:c21::1"
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OstCollector
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Joined: 02 Jan 2013
Posts: 4

PostPosted: Thu Jan 03, 2013 3:09 am    Post subject: Reply with quote

floppymaster wrote:
Firstly, I recommend installing sys-apps/iproute2 and using the "ip route" command. The old "route" command uses a deprecated interface.

You should be able to configure a default route for IPv6 by specifying ::/0 as the network. For example:
Code:
routes_eth0="default via 206.***.***.1
   ::/0 via 2607:****:****:c21::1"


Thank you very much for your reply. It works fine now after I installed iproute2, even without specifying ::/0.
:D
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