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Old 05-01-2009, 09:09 PM   #1
22978316
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Registered: May 2009
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Question A question about ISC-DHCP


I want to ask a boring question to you,I have already debugged the dhcp-failover since Jan,but always fail,I install the linux-redhat-enterprise 5.0 and ISC-DHCP 4.1.0 on my server.If I am running two servers at one time,It seems good,when I break down the one server,and I am running the other server,the promblem appears,the log tell me "the peer holds all free leases" after I type "ipconfig/release" and "ipconfig/renew" , the client c
an't get address. why does the server appear the problem?please tell me,if you have some method of resolving the problem,thank you appreciate.
 
Old 05-03-2009, 01:44 PM   #2
Tinkster
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I'd suggest that you post the relevant sections of both
hosts configuration files; with the information provided
no one will be able to actually assist you.


Cheers,
Tink
 
Old 05-03-2009, 09:06 PM   #3
22978316
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Registered: May 2009
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the primary host config:
Code:
#configure by BenjmS 20060714
option domain-name-servers  *.*.*.*;
ddns-update-style none;
default-lease-time 7200;
max-lease-time 14400;
authoritative;
log-facility local6;

failover peer "dhcp-failover" {
  primary;
  address 192.168.30.21;
  port 647;
  peer address 192.168.30.22;
  peer port 647;
  max-response-delay 30;
  max-unacked-updates 10;
  load balance max seconds 3;
  mclt 1800;
  split 128;
}

#DataCenter
subnet 192.168.30.0 netmask 255.255.255.0 {
}
#Hall 1, Hall 1A, wire
subnet 10.102.128.0 netmask 255.255.255.248 {
  option routers 10.102.128.1;
  pool {
   failover peer "dhcp-failover";
    range 10.102.128.2 10.102.128.6;
    deny dynamic bootp clients;
  }
}

Last edited by Tinkster; 05-03-2009 at 09:34 PM. Reason: added code tags for formatting
 
Old 05-03-2009, 09:08 PM   #4
22978316
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Registered: May 2009
Posts: 5

Original Poster
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the second host config:
Code:
#configure by BenjmS 20060714
option domain-name-servers 122.159.51.5, 122.159.51.6, 202.97.224.68;
ddns-update-style none;
default-lease-time 7200;
max-lease-time 14400;
authoritative;
log-facility local6;

failover peer "dhcp-failover" {
  secondary;
  address 192.168.30.22;
  port 847;
  peer address 192.168.30.21;
  peer port 647;
  max-response-delay 30;
  max-unacked-updates 10;
  load balance max seconds 3;
}

#configure by BenjmS 20060714
#DataCenter
subnet 192.168.30.0 netmask 255.255.255.0 {
}
#Hall 1, Hall 1A, wire
subnet 10.102.128.0 netmask 255.255.252.248 {
  option routers 10.102.128.1;
  pool {
    failover peer "dhcp-failover";
    range 10.102.128.2 10.102.128.6;
    deny dynamic bootp clients;
  }
}

Last edited by Tinkster; 05-03-2009 at 09:34 PM. Reason: added code tags for formatting
 
  


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