Bug 736444 - IPv6: ip -6 route prints routing cache
IPv6: ip -6 route prints routing cache
Status: CLOSED DUPLICATE of bug 841967
Product: Fedora
Classification: Fedora
Component: kernel (Show other bugs)
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Kernel Maintainer List
Fedora Extras Quality Assurance
Depends On:
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Reported: 2011-09-07 13:21 EDT by Pavel Šimerda (pavlix)
Modified: 2013-04-19 13:37 EDT (History)
9 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2011-11-29 04:45:42 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Pavel Šimerda (pavlix) 2011-09-07 13:21:13 EDT
Description of problem:

Command ip -6 route without other parameters prints routing cache records.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. sudo ip -6 route flush cache
2. ip -6 route | grep 2a02:38::1001 -A 1
3. ping6 2a02:38::1001
4. ip -6 route | grep 2a02:38::1001 -A 1
Actual results:

Empty result after (2), cached record for 2a02:38::1001 after (4)

Expected results:

Empty result also after (4), as in IPv4.

Additional info:

This bug causes problems to anyone who wants to debug IPv6 configuration with standard Linux tools.
Comment 1 Pavel Šimerda (pavlix) 2011-09-08 20:47:58 EDT
Reproduced with kernel-
Comment 2 Petr Šabata 2011-09-14 11:06:52 EDT
iproute[2] doesn't manipulate the data; the tables are printed as they are stored by the kernel.  I'd say this is a feature.

Assigning to kernel for some insight.
Comment 3 Chuck Ebbert 2011-09-16 05:01:44 EDT
Did this just start happening with kernel 2.6.40? (In other words, did 2.6.38 work as expected?) If so, we may need to update iproute in F15 to version 2.6.39. You could try installing the one from F16 and see if that works.
Comment 4 Neil Horman 2013-04-19 13:37:59 EDT

*** This bug has been marked as a duplicate of bug 841967 ***

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