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Bug 250884 - [RFE] Allow s-c-n to override domain-name (15) DHCP option
[RFE] Allow s-c-n to override domain-name (15) DHCP option
Product: Fedora
Classification: Fedora
Component: system-config-network (Show other bugs)
All Linux
low Severity low
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Assigned To: Harald Hoyer
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2007-08-04 06:05 EDT by Noa Resare
Modified: 2007-11-30 17:12 EST (History)
1 user (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2007-11-13 06:59:07 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Noa Resare 2007-08-04 06:05:09 EDT
Description of problem:

I would like to use system-config-network to add a domain to the dns search path
via the DNS tab. As expected /etc/resolv.conf gets modified when I use the GUI
to add a value to the "DNS search path" field and select File -> Save and works
right away.

However, when i restart my network /etc/resolv.conf gets overwritten by the dhcp
configuration script (at least the file states "generated by
/sbin/dhclient-script" on the first line and my search path data is gone.

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

How reproducible:

Steps to Reproduce:
0. You need to configure your network card to get ip config from DHCP
1. 'ping evert' in a terminal should give you "ping: unknown host evert"
2. start system-config-network choose the DNS tab, and enter 'resare.com' in the
'DNS search path:' field.
3. choose File -> Save
4. 'ping evert' in a terminal should give you "PING evert.resare.com
5. '/sbin/service network restart'
6. run 'ping evert' in a teriminal

Actual results:
"ping: unknown host evert"

Expected results:
PING evert.resare.com ( 56(84) bytes of data.

Additional info:
Comment 1 Ignacio Vazquez-Abrams 2007-08-04 06:14:15 EDT
Is DHCP option 15 set in the DHCP server? (option domain-name for ISC DHCPD, -s
or --domain command-line arguments or domain config option for dnsmasq)
Comment 2 Noa Resare 2007-08-04 07:31:54 EDT
It seems like that. The DHCP server is an integrated NAT/Firewall/Wireless appliance from D-Link that also 
answers name server queries. To the best of my knowledge the name server search path i not configurable 
in the user interface of the appliance, so being able to supply that information with system-config-
network seems like a reasonable ting IMHO
Comment 3 Ignacio Vazquez-Abrams 2007-08-04 18:04:22 EDT
It can be done via /etc/dhclient.conf, but it would be nice to manage it in a
centralized location.

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