Bug 203401
| Summary: | Hostname gets lost when using DHCP | ||||||||||
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| Product: | [Fedora] Fedora | Reporter: | Torsten Rausche <trausche> | ||||||||
| Component: | initscripts | Assignee: | Bill Nottingham <notting> | ||||||||
| Status: | CLOSED WONTFIX | QA Contact: | Brock Organ <borgan> | ||||||||
| Severity: | medium | Docs Contact: | |||||||||
| Priority: | medium | ||||||||||
| Version: | 5 | CC: | rvokal, torsten, triage | ||||||||
| Target Milestone: | --- | ||||||||||
| Target Release: | --- | ||||||||||
| Hardware: | All | ||||||||||
| OS: | Linux | ||||||||||
| Whiteboard: | bzcl34nup | ||||||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||||||
| Doc Text: | Story Points: | --- | |||||||||
| Clone Of: | Environment: | ||||||||||
| Last Closed: | 2008-05-06 16:15:09 UTC | Type: | --- | ||||||||
| Regression: | --- | Mount Type: | --- | ||||||||
| Documentation: | --- | CRM: | |||||||||
| Verified Versions: | Category: | --- | |||||||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||||||
| Embargoed: | |||||||||||
| Attachments: |
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Description
Torsten Rausche
2006-08-21 18:20:58 UTC
Created attachment 134583 [details]
Simple patch for /etc/sysconfig/network-scripts/ifup-eth
The patch assumes HWADDR is set; it will probably do something odd if it's not. That's easy enough to pull in at that point, though. Hm, in testing here, MacOSX does not appear to send a client identifier - how is it working in that case for you? Never mind, found it. How do you have your box configured - static IPs via DHCP or dynamic? Is the Fritz box doing mac address -> static address mapping? Dynamic. But the FRITZ!Box seems to save the MAC address when it sees it the first time, chooses an IP address and then gives the client the same IP address every time. Actually you can only set a range which the box will use to choose an IP address. So, it's not the 'hostname' that gets lost, but it gets a different IP without the identifier (so the hostname isn't valid)? Created attachment 134595 [details]
Patch v2 - now with checks for HWADDR
No, the IP is the same every time. But if the client identifier is not sent the FRITZ!Box seems to reset the hostname to "noname". Hm, so this is the hostname in the router boxes' own DNS, yes? I suspect this is something better changed after FC6 is out, to get more testing. Yes, looks like "noname" is the default name the box gives to clients which do not send client identifiers. It also replies this name to DNS queries. Windows and MacOSX send 6 bytes, which represent the MAC address, as client identifier, not a string of ASCII chars as I assumed. I think we can not imitate this with 2 lines of script code. But FRITZ!Box is satisfied with anything we send as client identifier. Therefore we can also send DHCP_HOSTNAME and do not need further checks. Created attachment 138505 [details]
Patch v3 - send DHCP_HOSTNAME as client id
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