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Asked by xeroxzerox
at 2024-08-02 01:53:21
ModifyPoint:500 Replies:8 POST_ID:828662USER_ID:11544
Topic:
Linux;;
Hi,
I've two dhcp server in same network...
One Dhcp server (ubuntu 12.04) providing 192.168.0.2-192.168.0.250
and second one is clonezilla (ubuntu 10.4) .. and it's range 192.168.0.125 to 175
Now i want client take bootp IP address from clonezilla...
But now when client pc bootup then it send request from first one dhcp server...it not taking ip address from clonezilla dhcp server.
I've two dhcp server in same network...
One Dhcp server (ubuntu 12.04) providing 192.168.0.2-192.168.0.250
and second one is clonezilla (ubuntu 10.4) .. and it's range 192.168.0.125 to 175
Now i want client take bootp IP address from clonezilla...
But now when client pc bootup then it send request from first one dhcp server...it not taking ip address from clonezilla dhcp server.
Accepted Solution
Expert: rajeev2353 replied at 2024-08-04 21:12:01
500 points EXCELLENT
hi xeroxzerox
you can download gpxe-1.0.1-gpxe.dsk and make iso image with cd.
and you configure in clonezilla dhcp with one line as given below.
filename = "gpxelinux.0";
save the dhcp.conf file
again you take any clone of system first time boot with gpxe-1.0.1-gpxe.dsk.iso cd
it is automatic go away with clonezilla dhcp.
you can download gpxe-1.0.1-gpxe.dsk and make iso image with cd.
and you configure in clonezilla dhcp with one line as given below.
filename = "gpxelinux.0";
save the dhcp.conf file
again you take any clone of system first time boot with gpxe-1.0.1-gpxe.dsk.iso cd
it is automatic go away with clonezilla dhcp.
Author: xeroxzerox replied at 2024-08-04 20:40:39
Our task is take the system image via clonezilla..When we configured clonezilla it by default configured dhcp server...Now i want client take ipaddress from clonezilla dhcpserver not another dhcp server......
Note:when we provide ipaddress via mac address then it take the ip address..otherwise it not grep the ip address...
Note:when we provide ipaddress via mac address then it take the ip address..otherwise it not grep the ip address...
Expert: duncanb7 replied at 2024-08-02 07:14:13
Why not tell us why you have to do on Two dhcp server in same network (linux)
For what reason or application or concept only?
For what reason or application or concept only?
Expert: fmarshall replied at 2024-08-02 07:02:33
Since the address ranges overlap, how do you expect to avoid address duplication/conflict?
As above, there is likely no control over which server responds unless you go to some lengths to prevent it with firewalling.
As above, there is likely no control over which server responds unless you go to some lengths to prevent it with firewalling.
Expert: andrew1812 replied at 2024-08-02 06:15:05
Well the way dhcp works is that, the first DHCP server which gets the request, would respond with the IP address. You would not have control.
For a solution you either need to have vlan infrastructure or have two switches and two dhcp servers on them
For a solution you either need to have vlan infrastructure or have two switches and two dhcp servers on them
Expert: Gerwin Jansen replied at 2024-08-02 03:00:14
>> I think it can not
Think it can ;)
I used my modem/router's firewall to block a DHCP server from another NAS/Firewall appliance I was building - I got it to work :D
Think it can ;)
I used my modem/router's firewall to block a DHCP server from another NAS/Firewall appliance I was building - I got it to work :D
Expert: duncanb7 replied at 2024-08-02 02:42:27
Expert: Gerwin Jansen replied at 2024-08-02 02:34:49
How is your network setup? You could block one DHCP server if you have a firewall or router but since both DHCP servers are in the same segment, the fastest one will get your client an address... Otherwise it may be possible to use MAC address filtering on the 12.04 server by setting an explicit allow list.
