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Author Topic: MACOSX 10.9.3 cannot ping local gif0 v6 address  (Read 1498 times)

shinydeb

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MACOSX 10.9.3 cannot ping local gif0 v6 address
« on: May 30, 2014, 06:59:15 PM »

I am unable to ping my local v6 address on my machine & obviously cannot get my v6 tunnel working. Has this happened to anyone else? Here are some snapshots. :-[


gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
   tunnel inet 10.174.171.129 --> 184.105.253.10
   inet6 fe80::426c:8fff:fe56:6b9f%gif0 prefixlen 64 scopeid 0x2
   inet6 2001:470:1f0e:c1f::2 --> 2001:470:1f0e:c1f::1 prefixlen 128
   nd6 options=1<PERFORMNUD>




Internet6:
Destination                             Gateway                         Flags         Netif Expire
default                                 2001:470:1f0e:c1f::1            UGSc           gif0
::1                                     ::1                             UHL             lo0
2001:470:1f0e:c1f::1                    2001:470:1f0e:c1f::2            UHLr           gif0



mac~ root# ping 184.105.253.10
PING 184.105.253.10 (184.105.253.10): 56 data bytes
64 bytes from 184.105.253.10: icmp_seq=0 ttl=54 time=47.080 ms

5 packets transmitted, 5 packets received, 0.0% packet loss


mac:~ root# ping6 2001:470:1f0e:c1f::2
PING6(56=40+8+8 bytes) 2001:470:1f0e:c1f::2 --> 2001:470:1f0e:c1f::2
^C
--- 2001:470:1f0e:c1f::2 ping6 statistics ---
5 packets transmitted, 0 packets received, 100.0% packet loss

mac:~ root# ping6 2001:470:1f0e:c1f::1
PING6(56=40+8+8 bytes) 2001:470:1f0e:c1f::2 --> 2001:470:1f0e:c1f::1
^C
--- 2001:470:1f0e:c1f::1 ping6 statistics ---
3 packets transmitted, 0 packets received, 100.0% packet loss



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cholzhauer

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  • Posts: 2737
Re: MACOSX 10.9.3 cannot ping local gif0 v6 address
« Reply #1 on: June 01, 2014, 06:31:27 AM »

MTU is low, are you sure it's right?  (Not that it would affect local pings)

On some versions of BSD I had to use GIF1 instead of GIF0, you may try that.
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valorisa

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Re: MACOSX 10.9.3 cannot ping local gif0 v6 address
« Reply #2 on: June 17, 2014, 06:35:34 AM »

Hello everyone,

Same problem for me :

gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
   tunnel inet 192.168.1.12 --> 216.66.84.42
   inet6 fe80::5ab0:35ff:fefd:925d%gif0 prefixlen 64 scopeid 0x2
   inet6 2001:470:1f12:946::2 --> 2001:470:1f12:946::1 prefixlen 128
   nd6 options=1<PERFORMNUD>


root# ping6 -I gif0 -c 1 2001:470:1f12:946::1
PING6(56=40+8+8 bytes) 2001:470:1f12:946::2 --> 2001:470:1f12:946::1

--- 2001:470:1f12:946::1 ping6 statistics ---
1 packets transmitted, 0 packets received, 100.0% packet loss


I even unplugged my router Netgear WPN824v2 for a test and configured a DMZ with 192.168.1.12. Impossible to obtain a connectivity with IPv6 and Mac OS X (Maverick).

Only this command does work :

root# ping6 2001:470:1f12:946::2
PING6(56=40+8+8 bytes) 2001:470:1f12:946::2 --> 2001:470:1f12:946::2
16 bytes from 2001:470:1f12:946::2, icmp_seq=0 hlim=64 time=0.083 ms
16 bytes from 2001:470:1f12:946::2, icmp_seq=1 hlim=64 time=0.116 ms
16 bytes from 2001:470:1f12:946::2, icmp_seq=2 hlim=64 time=0.106 ms
16 bytes from 2001:470:1f12:946::2, icmp_seq=3 hlim=64 time=0.131 ms
16 bytes from 2001:470:1f12:946::2, icmp_seq=4 hlim=64 time=0.067 ms
16 bytes from 2001:470:1f12:946::2, icmp_seq=5 hlim=64 time=0.087 ms
^C
--- 2001:470:1f12:946::2 ping6 statistics ---
6 packets transmitted, 6 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 0.067/0.098/0.131/0.022 ms

But http://ipv6.whatismyv6.com/ gives me like result "Page Web inaccessible"

error code : DNS_PROBE_FINISHED_NXDOMAIN.
DNS resolution failed.

Thanks in advance.

Valorisa
« Last Edit: June 17, 2014, 07:03:22 AM by valorisa »
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