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Today's Topics:
1. Ubuntu Isc-Dhcp 4.2.4 and disable IPv6 ! (CpServiceSPb .)
2. Re: dhcpd peer constantly requesting rebalancing (Brian De Wolf)
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Message: 1
Date: Thu, 17 Mar 2016 01:05:32 +0300
From: "CpServiceSPb ." <[email protected]>
To: [email protected]
Subject: Ubuntu Isc-Dhcp 4.2.4 and disable IPv6 !
Message-ID:
<can4xyzokaq9eg6pomlbgr-yboaxrol4v_s3scy-ec8eratg...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
I have isc-dhcp-server installed at ubuntu 14.04 x64.
Its version is 4.2.4
I have fully disabled IPv6 at OS.
Also I have "-4" option for dhcp server startup.
But there is one IPv6 listened address by netstat -anupt.
Port is dyynamic.
What is this dynamically defined port intended for ?
And how is to fully disable IPv6 listening ?
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Message: 2
Date: Wed, 16 Mar 2016 15:16:47 -0700
From: Brian De Wolf <[email protected]>
To: Simon Hobson <[email protected]>
Cc: Users of ISC DHCP <[email protected]>
Subject: Re: dhcpd peer constantly requesting rebalancing
Message-ID: <[email protected]>
Content-Type: text/plain; charset="US-ASCII"
On Wed, 16 Mar 2016 10:09:27 +0000
Simon Hobson <[email protected]> wrote:
> Brian De Wolf <[email protected]> wrote:
>
> > Every other week or so we'll see them get stuck requesting
> > rebalancing for a subnet every minute. This goes on for a day or
> > two until it somehow resolves itself (I assume some leases
> > expire).
>
> How many free leases are there when this happens ?
>
It seems to vary. One example:
server 1: balancing pool 24ea320 134.71.22.0/26 total 51 free 1
backup 7 lts -3 max-own (+/-)1 (requesting peer rebalance!)
server 2: balancing pool 2a2e300 134.71.22.0/26 total 51 free 3
backup 5 lts 1 max-own (+/-)1
Another:
server 1: balancing pool 1c06510 134.71.200.0/24 total 249 free 68
backup 48 lts 10 max-own (+/-)12
server 2: balancing pool 214a4f0 134.71.200.0/24 total 249 free 93
backup 23 lts -35 max-own (+/-)12 (requesting peer rebalance!)
Sometimes the subnet is near full, sometimes it isn't.
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