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Today's Topics:
1. Re: How do you test your dhcpd setup? (Leandro)
2. Re: How do you test your dhcpd setup? (Frank Price)
3. Re: How do you test your dhcpd setup? (Leandro)
----------------------------------------------------------------------
Message: 1
Date: Fri, 17 Jul 2015 10:27:23 -0300
From: Leandro <[email protected]>
To: Users of ISC DHCP <[email protected]>
Subject: Re: How do you test your dhcpd setup?
Message-ID: <[email protected]>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"
I know exactly how you feel.
try dhcperf , its also a benchmark tool.
Leandro.
On 16/07/15 14:05, Frank Price wrote:
> Greetings dhcp-users,
>
> I've recently taken over a pair of ISC DHCP 4.2.5 servers, and I'd
> like to know how you test your environment -- both for troubleshooting
> and also for validating config changes. To make things concrete, let
> me briefly explain our setup and then what I'd like to be able to do.
>
> We have about 70 subnets defined, with failover peers on most of them
> between our two servers. Our network (cisco) vlan config has ip
> helper-addresses which point to both servers. Mostly we do
> interim-style ddns, although there are some static host entries.
>
> Usually everything works fine, until it doesn't, and every few months
> we add a new subnet for a lab or something. To troubleshoot, or
> double-check changes, I'd like to be able to simulate a lease request
> from a client. Right now what I do is a) run dhcpd -t against the
> changes, and then b) stand up a vm on the new subnet and see what
> happens. It would be much nicer to simply say "pretend you get a
> request from this MAC on this subnet, and show me what you'd do."
>
> I've tried dhcping, and it seems to require me to run it from a server
> already on the subnet in question -- not quite what I want, but maybe
> I just don't understand it well.
>
> Thanks for any advice you can provide,
>
> -Frank
> --
> Frank Price | R & D Services | Lexmark International
>
>
> _______________________________________________
> dhcp-users mailing list
> [email protected]
> https://lists.isc.org/mailman/listinfo/dhcp-users
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Message: 2
Date: Fri, 17 Jul 2015 13:32:56 -0400
From: Frank Price <[email protected]>
To: Users of ISC DHCP <[email protected]>
Subject: Re: How do you test your dhcpd setup?
Message-ID:
<cakqznudrfkomfripsqmdps-xkgwashp8w50obmt1h1ivdme...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Thanks for the tip Leandro. If I've got the right tool (from Nominum),
unfortunately it doesn't work for my OS (Centos 7) and I can't find source.
-Frank
--
Frank Price | R & D Services | [email protected] | 859-232-2844 | RDS on
Innovate <https://lexmark.jiveon.com/groups/rds-group>
On Fri, Jul 17, 2015 at 9:27 AM, Leandro <[email protected]> wrote:
> I know exactly how you feel.
> try dhcperf , its also a benchmark tool.
> Leandro.
>
>
>
> On 16/07/15 14:05, Frank Price wrote:
>
> Greetings dhcp-users,
>
> I've recently taken over a pair of ISC DHCP 4.2.5 servers, and I'd like
> to know how you test your environment -- both for troubleshooting and also
> for validating config changes. To make things concrete, let me briefly
> explain our setup and then what I'd like to be able to do.
>
> We have about 70 subnets defined, with failover peers on most of them
> between our two servers. Our network (cisco) vlan config has ip
> helper-addresses which point to both servers. Mostly we do interim-style
> ddns, although there are some static host entries.
>
> Usually everything works fine, until it doesn't, and every few months we
> add a new subnet for a lab or something. To troubleshoot, or double-check
> changes, I'd like to be able to simulate a lease request from a client.
> Right now what I do is a) run dhcpd -t against the changes, and then b)
> stand up a vm on the new subnet and see what happens. It would be much
> nicer to simply say "pretend you get a request from this MAC on this
> subnet, and show me what you'd do."
>
> I've tried dhcping, and it seems to require me to run it from a server
> already on the subnet in question -- not quite what I want, but maybe I
> just don't understand it well.
>
> Thanks for any advice you can provide,
>
> -Frank
> --
> Frank Price | R & D Services | Lexmark International
>
>
> _______________________________________________
> dhcp-users mailing
> [email protected]https://lists.isc.org/mailman/listinfo/dhcp-users
>
>
>
> _______________________________________________
> dhcp-users mailing list
> [email protected]
> https://lists.isc.org/mailman/listinfo/dhcp-users
>
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Message: 3
Date: Fri, 17 Jul 2015 15:22:33 -0300
From: Leandro <[email protected]>
To: [email protected]
Subject: Re: How do you test your dhcpd setup?
Message-ID: <[email protected]>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"
It was a little hard for my to make it work.
I could not compile it on 64bits. it worked on i386.
Leandro.
On 17/07/15 14:32, Frank Price wrote:
> Thanks for the tip Leandro. If I've got the right tool (from
> Nominum), unfortunately it doesn't work for my OS (Centos 7) and I
> can't find source.
>
>
> -Frank
> --
> Frank Price | R & D Services | [email protected]
> <mailto:[email protected]> | 859-232-2844 | RDS on Innovate
> <https://lexmark.jiveon.com/groups/rds-group>
>
> On Fri, Jul 17, 2015 at 9:27 AM, Leandro <[email protected]
> <mailto:[email protected]>> wrote:
>
> I know exactly how you feel.
> try dhcperf , its also a benchmark tool.
> Leandro.
>
>
>
> On 16/07/15 14:05, Frank Price wrote:
>> Greetings dhcp-users,
>>
>> I've recently taken over a pair of ISC DHCP 4.2.5 servers, and
>> I'd like to know how you test your environment -- both for
>> troubleshooting and also for validating config changes. To make
>> things concrete, let me briefly explain our setup and then what
>> I'd like to be able to do.
>>
>> We have about 70 subnets defined, with failover peers on most of
>> them between our two servers. Our network (cisco) vlan config
>> has ip helper-addresses which point to both servers. Mostly we
>> do interim-style ddns, although there are some static host entries.
>>
>> Usually everything works fine, until it doesn't, and every few
>> months we add a new subnet for a lab or something. To
>> troubleshoot, or double-check changes, I'd like to be able to
>> simulate a lease request from a client. Right now what I do is
>> a) run dhcpd -t against the changes, and then b) stand up a vm on
>> the new subnet and see what happens. It would be much nicer to
>> simply say "pretend you get a request from this MAC on this
>> subnet, and show me what you'd do."
>>
>> I've tried dhcping, and it seems to require me to run it from a
>> server already on the subnet in question -- not quite what I
>> want, but maybe I just don't understand it well.
>>
>> Thanks for any advice you can provide,
>>
>> -Frank
>> --
>> Frank Price | R & D Services | Lexmark International
>>
>>
>> _______________________________________________
>> dhcp-users mailing list
>> [email protected] <mailto:[email protected]>
>> https://lists.isc.org/mailman/listinfo/dhcp-users
>
>
> _______________________________________________
> dhcp-users mailing list
> [email protected] <mailto:[email protected]>
> https://lists.isc.org/mailman/listinfo/dhcp-users
>
>
>
>
> _______________________________________________
> dhcp-users mailing list
> [email protected]
> https://lists.isc.org/mailman/listinfo/dhcp-users
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