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Bug 163062 - Default route not set for ath0 device after upgrade to Fedora Core 4
Summary: Default route not set for ath0 device after upgrade to Fedora Core 4
Status: CLOSED DUPLICATE of bug 149780
Alias: None
Product: Fedora
Classification: Fedora
Component: system-config-network
Version: 4
Hardware: i386
OS: Linux
Target Milestone: ---
Assignee: Harald Hoyer
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2005-07-12 18:01 UTC by David Anderson
Modified: 2007-11-30 22:11 UTC (History)
1 user (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2006-05-19 10:31:14 UTC

Attachments (Terms of Use)

Description David Anderson 2005-07-12 18:01:32 UTC
From Bugzilla Helper:
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Description of problem:
I have a Dell Inspiron laptop, with a Netgear wireless PCMCIA card, that has 
an Atheros chipset (Madwifi driver). 
Today I upgraded this machine from Fedora Core 2 to Fedora Core 4. 
Everything still works fine, networking-wise, except that when the ath0 
interface is brought up, the default route is not set: 
[root@shed network-scripts]# /sbin/route -n 
Kernel IP routing table 
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface 
[root@shed network-scripts]# /sbin/ifup ath0 
Determining IP information for ath0... done. 
[root@shed network-scripts]# /sbin/route -n 
Kernel IP routing table 
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface   U     0      0        0 ath0     U     0      0        0 ath0 
The ath0 device is configured for DHCP. Here is the DHCP lease: 
[root@shed network-scripts]# cat /var/lib/dhcp/dhclient-ath0.leases 
lease { 
  interface "ath0"; 
  option subnet-mask; 
  option routers; 
  option dhcp-lease-time 259200; 
  option dhcp-message-type 5; 
  option domain-name-servers; 
  option dhcp-server-identifier; 
  renew 4 2005/7/14 02:04:09; 
  rebind 5 2005/7/15 08:58:08; 
  expire 5 2005/7/15 17:58:08; 
Here is my ifcfg-ath0, (which as you can see has some settings left over from 
a static IP assignment): 
[root@shed network-scripts]# cat ifcfg-ath0 
This problem doesn't happen with the eth0 interface - it's specific to the 
wireless interface. 

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

How reproducible:

Steps to Reproduce:
1. /sbin/ifup ath0 

Actual Results:  IP address obtained, default route not set. 

Expected Results:  Default route set. 

Additional info:

Comment 1 Bill Nottingham 2005-07-12 18:40:08 UTC
What happens if you take the GATEWAY= line out?

Comment 2 David Anderson 2005-07-12 21:07:49 UTC
Yup, that fixes it.  
However, if I use system-config-network to switch to using a static IP 
address, and then switch back again to using DHCP, then the line is back (and 
hence the default route from DHCP is not used, which means I get no default 
Worked in FC2, so one of the changes in the meantime will be the cause. 

Comment 3 Bill Nottingham 2005-07-12 21:27:30 UTC
I believe the dhclient script was fixed to not set a gateway route if one was
specified; with it in the config file, it appears that one is.

Perhaps s-c-network should take the line out when you switch to a dynamic config?

Comment 4 David Anderson 2005-07-12 21:38:24 UTC
"Perhaps s-c-network should take the line out when you switch to a dynamic  
config?" - I think you're about right. If you switch in s-c-n to "obtain IP 
settings from DHCP" then it ought to mean just that and not "but retain the 
gateway from your previous static IP settings even though they're greyed-out 
and in a different part of the dialogue box".  
However, if you drop the GATEWAY= line then it has to be manually remembered 
and re-entered by the user when he switches back to static settings. (At 
present it's still in there and in s-c-n it's greyed-out in the static IP 
settings part of the dialogue). It would be inconsistent for s-c-n to 
automatically remember two of the static IP settings but not the third.  

Comment 5 David Anderson 2005-07-12 21:50:56 UTC
Or perhaps the change in dhclient should be reversed? Or a different parameter 
used for overriding the DHCP-supplied gateway, e.g. DHCP_STATIC_GATEWAY=  or 

Comment 6 David Anderson 2005-07-13 21:17:11 UTC
This bug appears to be a duplicate of 149780, and the bug is really in s-c-n 
for making a setting that it shouldn't... 

Comment 7 David Anderson 2005-07-13 21:18:47 UTC
Having said that though (#6), the bug can't be fixed just by fixing future 
versions of s-c-n, because there will be people, like me, upgrading from 
previous versions of Fedora Core that have DHCP and GATEWAY=. As the version 
of s-c-n in FC4 still sets BOTH of these, it'll be happenning for a long time 
to come still (e.g. people upgrading from FC4 to FC5 or FC6...). 

Comment 8 Harald Hoyer 2006-05-19 10:31:14 UTC

*** This bug has been marked as a duplicate of 149780 ***

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