failover issue?
Patrick Trapp
ptrapp at nex-tech.com
Thu Apr 2 14:33:05 UTC 2015
Can you share the config? You should generalize anything sensitive - whatever you post will be on the list forever...
________________________________
From: dhcp-users-bounces at lists.isc.org [dhcp-users-bounces at lists.isc.org] on behalf of Christian Bösch [boesch at fhv.at]
Sent: Thursday, April 02, 2015 5:52 AM
To: dhcp-users at lists.isc.org
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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