- Community Home
- >
- Servers and Operating Systems
- >
- Operating Systems
- >
- Operating System - Linux
- >
- Not geeting DHCPREQUEST and DHCPACK
Operating System - Linux
1820698
Members
2675
Online
109627
Solutions
Forums
Categories
Company
Local Language
back
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Discussions
Forums
Discussions
back
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Blogs
Information
Community
Resources
Community Language
Language
Forums
Blogs
Topic Options
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
01-22-2009 11:12 PM
01-22-2009 11:12 PM
Not geeting DHCPREQUEST and DHCPACK
Hi All,
DHCP Server is able DHCPOFFER/DHCPDISCOVER but not DHCPREQUEST/DHCPACK.
what could be cause? it could be a client BIOS/bootorder or arp resolution issue?
an 5 23:31:44 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:44 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:45 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:45 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:49 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:50 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:50 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:51 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.124 to 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPOFFER on 192.168.64.124 to 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:2b:16:23 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPOFFER on 192.168.64.105 to 00:80:42:2b:16:23 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
DHCP Server is able DHCPOFFER/DHCPDISCOVER but not DHCPREQUEST/DHCPACK.
what could be cause? it could be a client BIOS/bootorder or arp resolution issue?
an 5 23:31:44 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:44 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:45 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:45 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:46 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:48 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:49 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:50 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:50 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:51 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.124 to 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.117 to 00:80:42:1f:6d:c0 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:52 SERVER1 dhcpd: DHCPOFFER on 192.168.64.123 to 00:80:42:1f:6a:70 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPOFFER on 192.168.64.124 to 00:80:42:1f:6a:88 via bond0
Jan 5 23:31:53 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:2b:16:23 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPOFFER on 192.168.64.105 to 00:80:42:2b:16:23 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPDISCOVER from 00:80:42:1f:6a:16 via bond0
Jan 5 23:31:54 SERVER1 dhcpd: DHCPOFFER on 192.168.64.118 to 00:80:42:1f:6a:16 via bond0
1 REPLY 1
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
01-23-2009 03:42 AM
01-23-2009 03:42 AM
Re: Not geeting DHCPREQUEST and DHCPACK
First a client locates the DHCP server using DHCPDISCOVER. You can see it in your log messages: they say "DHCPDISCOVER _from_ ..."
Then the DHCP server responds with DHCPOFFER.
After that, the client analyzes the DHCPOFFER(s) it has received, and then makes a DHCPREQUEST to the server it ranks "the best". If these clients are trying to renew their old leases, they are likely to prefer the server they originally got their address from.
Maybe there is another DHCP server in your network?
Another possibility: DHCPDISCOVER is always a broadcast, but DHCPREQUEST may be unicast at the Ethernet level. If you have a firewall, be sure it is configured to pass through all the traffic modes required by DHCP.
MK
Then the DHCP server responds with DHCPOFFER.
After that, the client analyzes the DHCPOFFER(s) it has received, and then makes a DHCPREQUEST to the server it ranks "the best". If these clients are trying to renew their old leases, they are likely to prefer the server they originally got their address from.
Maybe there is another DHCP server in your network?
Another possibility: DHCPDISCOVER is always a broadcast, but DHCPREQUEST may be unicast at the Ethernet level. If you have a firewall, be sure it is configured to pass through all the traffic modes required by DHCP.
MK
MK
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
Company
Learn About
News and Events
Support
© Copyright 2025 Hewlett Packard Enterprise Development LP