RE: failover issue?

Posted by Patrick Trapp on
URL: http://isc-dhcp-users.193.s1.nabble.com/failover-issue-tp24p25.html

Can you share the config? You should generalize anything sensitive - whatever you post will be on the list forever...

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From: [hidden email] [[hidden email]] on behalf of Christian Bösch [[hidden email]]
Sent: Thursday, April 02, 2015 5:52 AM
To: [hidden email]
Subject: failover issue?

Hi,

I have a pair of failover dhcp servers (4.2.4) which work fine for a long time.

Now I added some subnets (same config like the old working one) and in that

subnets I get on both servers:

Apr  2 12:44:52 dns1 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:52 dns1 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:56 dns1 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:56 dns1 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:52 dns2 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:52 dns2 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:56 dns2 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

Apr  2 12:44:56 dns2 dhcpd: DHCPDISCOVER from 3c:97:0e:b8:6d:40 via 172.21.166.1: peer holds all free leases

But the pool seems to be well balanced:

Apr  2 12:43:56 dns1 dhcpd: balancing pool 8019f8880 172.21.166.0/24  total 250  free 125  backup 125  lts 0  max-own (+/-)25

Apr  2 12:43:56 dns1 dhcpd: balanced pool 8019f8880 172.21.166.0/24  total 250  free 125  backup 125  lts 0  max-misbal 38

Apr  2 12:43:56 dns2 dhcpd: balancing pool 8019ef880 172.21.166.0/24  total 250  free 125  backup 125  lts 0  max-own (+/-)25

Apr  2 12:43:56 dns2 dhcpd: balanced pool 8019ef880 172.21.166.0/24  total 250  free 125  backup 125  lts 0  max-misbal 38

Does anyone have an idea what could be the reason for that?

Thanks,

Chris

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