Bug 588163 - Manual IPv6 configures SLAAC as well
Manual IPv6 configures SLAAC as well
Status: CLOSED NEXTRELEASE
Product: Fedora
Classification: Fedora
Component: NetworkManager (Show other bugs)
12
All Linux
low Severity low
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Assigned To: Dan Williams
Fedora Extras Quality Assurance
:
: 588149 (view as bug list)
Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2010-05-02 18:10 EDT by Scott Schmit
Modified: 2010-05-04 07:31 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2010-05-04 07:31:09 EDT
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Description Scott Schmit 2010-05-02 18:10:57 EDT
Description of problem:
When configuring a connection with manual IPv6, connecting to the network results in SLAAC addresses as well as the manual one(s).

On one hand, IPv6 isn't like IPv4 -- you can have multiple addresses on your interface, so the extra addresses are probably harmless, but I can imagine where people would find the extra addresses to be undesirable (POLA/tradition, don't want the machine to respond to an Internet-accessible address, manual addresses interfere somehow with the SLAAC, etc).

Version-Release number of selected component (if applicable):
NetworkManager-0.8.0-10.git20100502.fc12.x86_64

How reproducible:
100%

Steps to Reproduce:
1. Configure a connection to have the IPv6 method set to manual (IPv4 to whatever you want -- disable is probably the least distracting)
2. Connect to that connection
3. Look at ip addr, ip -6 route, /etc/resolv.conf
  
Actual results:
SLAAC addresses and routes are configured

Expected results:
SLAAC addresses and routes are not configured, and must be manually configured if desired. (I'm not counting the Link Local address as SLAAC here)

Additional info:
Comment 1 Dan Williams 2010-05-03 06:11:48 EDT
*** Bug 588149 has been marked as a duplicate of this bug. ***
Comment 2 Dan Williams 2010-05-03 06:12:42 EDT
So accept_ra isn't getting set back to 0 when we're using manual mode, that's the problem here I believe.
Comment 3 Dan Williams 2010-05-03 06:43:50 EDT
Upstream fix is 7926b3ca95f2c0c611e271f805437cca9dc004ea.
Comment 4 Scott Schmit 2010-05-04 07:31:09 EDT
I can confirm that this now works with NetworkManager-0.8.0-11.git20100503.fc12.x86_64

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