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[Bug 427] Zebra "autogenerates" ipv6 kernel routes when receiving routes from ospf6d

 

 

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bugzilla-daemon at allevil

Dec 2, 2007, 2:22 PM

Post #1 of 2 (1217 views)
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[Bug 427] Zebra "autogenerates" ipv6 kernel routes when receiving routes from ospf6d

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug
report.

http://bugzilla.quagga.net/show_bug.cgi?id=427





------- Additional Comments From quagga.net [at] m 2007-12-02 22:22 -------
As was asked on irc, here are examples of netstat -rnf inet6 :

Internet6:
Destination Gateway Flags Netif
Expire
::/96 ::1 UGRS lo0
::1 ::1 UHL lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
2001:910::/64 link#5 UC em0.11
2001:910::4 00:30:48:71:12:4c UHL lo0
2001:910::17 00:e0:81:5f:29:72 UHLW em0.11
2001:910::18 00:30:48:81:dd:9a UHLW em0.11
2001:910::19 00:30:48:81:dc:9c UHLW em0.11
2001:910:ff::/64 link#8 UC em0.800
2001:910:ff::1 00:30:48:71:12:4c UHL lo0
2001:910:ff::3 00:13:c3:af:62:1c UHLW em0.800
2001:910:800::/64 fe80::2e0:81ff:fe5f:2972%em0.11 UG1 em0.11
fe80::/10 ::1 UGRS lo0
(...)

Internet6:
Destination Gateway Flags Netif
Expire
::/96 ::1 UGRS lo0
::1 ::1 UHL lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
2001:910::/64 link#5 UC em0.11
2001:910::4 00:30:48:71:12:4c UHL lo0
2001:910::16 link#5 UHLW em0.11
2001:910::17 00:e0:81:5f:29:72 UHLW em0.11
2001:910::18 00:30:48:81:dd:9a UHLW em0.11
2001:910::19 00:30:48:81:dc:9c UHLW em0.11
2001:910:ff::/64 link#8 UC em0.800
2001:910:ff::1 00:30:48:71:12:4c UHL lo0
2001:910:ff::3 00:13:c3:af:62:1c UHLW em0.800
2001:910:800::/40 fe80::2e0:81ff:fe5f:2972%em0.11 UG1 em0.11
fe80::/10 ::1 UGRS lo0
(...)

Internet6:
Destination Gateway Flags Netif
Expire
::/96 ::1 UGRS lo0
::1 ::1 UHL lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
2001:910::/64 link#5 UC em0.11
2001:910::4 00:30:48:71:12:4c UHL lo0
2001:910::16 link#5 UHLW em0.11
2001:910::17 00:e0:81:5f:29:72 UHLW em0.11
2001:910::18 00:30:48:81:dd:9a UHLW em0.11
2001:910::19 00:30:48:81:dc:9c UHLW em0.11
2001:910:ff::/64 link#8 UC em0.800
2001:910:ff::1 00:30:48:71:12:4c UHL lo0
2001:910:ff::3 00:13:c3:af:62:1c UHLW em0.800
2001:910:800::/40 fe80::2e0:81ff:fe5f:2972%em0.11 UG1 em0.11
2001:910:800::/64 fe80::2e0:81ff:fe5f:2972%em0.11 UG1 em0.11
fe80::/10 ::1 UGRS lo0
(...)

Internet6:
Destination Gateway Flags Netif
Expire
::/96 ::1 UGRS lo0
::1 ::1 UHL lo0
::ffff:0.0.0.0/96 ::1 UGRS lo0
2001:910::/64 link#5 UC em0.11
2001:910::4 00:30:48:71:12:4c UHL lo0
2001:910::16 link#5 UHLW em0.11
2001:910::17 00:e0:81:5f:29:72 UHLW em0.11
2001:910::18 00:30:48:81:dd:9a UHLW em0.11
2001:910::19 00:30:48:81:dc:9c UHLW em0.11
2001:910:ff::/64 link#8 UC em0.800
2001:910:ff::1 00:30:48:71:12:4c UHL lo0
2001:910:ff::3 00:13:c3:af:62:1c UHLW em0.800
fe80::/10 ::1 UGRS lo0
(...)

As you can see, it adds and removes the routes over and over, as reported in
zebra show ipv6 route.



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bugzilla-daemon at allevil

Dec 3, 2007, 3:23 AM

Post #2 of 2 (1087 views)
Permalink
[Bug 427] Zebra "autogenerates" ipv6 kernel routes when receiving routes from ospf6d [In reply to]

Please do not reply directly to this email. All additional
comments should be made in the comments box of this bug
report.

http://bugzilla.quagga.net/show_bug.cgi?id=427


paul [at] dishone changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1




------- Additional Comments From paul [at] dishone 2007-12-02 22:38 -------
This sounds like a known regression in the 0.99.9 release, a bug which was fixed
by Denis with:

zebra/ChangeLog

+2007-10-24 Denis Ovsienko
+
+ * kernel_socket.c: (rtm_read) we used to ignore own messages,
+ but the RIB debug commit broke it for IPv6 case (reported
+ by Milan Kocian). Fixed.

If you could test CVS and confirm it's fixed, or wait till 0.99.10 and confirm
then, that'd be great.

Thanks.


------- Additional Comments From quagga.net [at] m 2007-12-03 11:23 -------
I tried 2007-12-02's snapshot, and it solved my problem.



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