Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Kevin Benton
@lists.thekelleys.org.uk *Subject:* Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue I understand, but that eliminates the whole 'correcting rouge dhcp offers' part of the authoritative mode. If we are teaching clients to ignore NAKs from other DHCP servers, why do DHCP servers like

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Kevin Benton
:* Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue That fix is interesting. Doesn't ignoring a NAK sort of defeat the point of the 'authoritative' NAKing in the first place? On Tue, May 26, 2015 at 2:26 PM, Vladislav Grishenko themi...@mail.ru wrote

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Albert ARIBAUD
*From:* Kevin Benton [mailto:blak...@gmail.com] *Sent:* Wednesday, May 27, 2015 9:32 AM *To:* Vladislav Grishenko *Cc:* Brian Haley; Simon Kelley; dnsmasq-discuss@lists.thekelleys.org.uk *Subject:* Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue That fix

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Kevin Benton
] *Sent:* Wednesday, May 27, 2015 9:32 AM *To:* Vladislav Grishenko *Cc:* Brian Haley; Simon Kelley; dnsmasq-discuss@lists.thekelleys.org.uk *Subject:* Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue That fix is interesting. Doesn't ignoring a NAK sort of defeat the point

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Vladislav Grishenko
, not? Best Regards, Vladislav Grishenko From: Kevin Benton [mailto:blak...@gmail.com] Sent: Monday, June 01, 2015 2:02 PM To: Vladislav Grishenko Cc: Brian Haley; Simon Kelley; dnsmasq-discuss@lists.thekelleys.org.uk Subject: Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue I

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-06-01 Thread Vladislav Grishenko
Grishenko Cc: Brian Haley; Simon Kelley; dnsmasq-discuss@lists.thekelleys.org.uk Subject: Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue Let me rephrase it slightly. What is the point of dnsmasq NAKing client responses to other servers if the clients are being programmed to ignore

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-05-27 Thread Vladislav Grishenko
Grishenko Cc: Brian Haley; Simon Kelley; dnsmasq-discuss@lists.thekelleys.org.uk Subject: Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue That fix is interesting. Doesn't ignoring a NAK sort of defeat the point of the 'authoritative' NAKing in the first place? On Tue, May 26, 2015 at 2

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-05-26 Thread Kevin Benton
That fix is interesting. Doesn't ignoring a NAK sort of defeat the point of the 'authoritative' NAKing in the first place? On Tue, May 26, 2015 at 2:26 PM, Vladislav Grishenko themi...@mail.ru wrote: On 02/02/2015 05:47 PM, Brian Haley wrote: The one thing I'm curious about is if dnsmasq

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-05-26 Thread Brian Haley
On 02/02/2015 05:47 PM, Brian Haley wrote: The one thing I'm curious about is if dnsmasq is restarted while a VM holds a lease, how will it respond? As someone else has pointed-out to me - isc-dhcp will respond with a DHCPNAK in that case, and wondered why there would be a difference with

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-05-26 Thread Vladislav Grishenko
On 02/02/2015 05:47 PM, Brian Haley wrote: The one thing I'm curious about is if dnsmasq is restarted while a VM holds a lease, how will it respond? As someone else has pointed-out to me - isc-dhcp will respond with a DHCPNAK in that case, and wondered why there would be a difference

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-02-02 Thread Simon Kelley
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 02/02/15 19:50, Brian Haley wrote: Hi, There have been a number of people chasing an issue in Openstack where dnsmasq was sending DHCPNAK's after it was restarted since it's being started with --leasefile-ro

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-02-02 Thread Simon Kelley
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 02/02/15 22:20, Brian Haley wrote: The one thing I'm curious about is if dnsmasq is restarted while a VM holds a lease, how will it respond? As someone else has pointed-out to me - isc-dhcp will respond with a DHCPNAK in that case, and

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-02-02 Thread Brian Haley
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 02/02/2015 05:30 PM, Simon Kelley wrote: On 02/02/15 22:20, Brian Haley wrote: The one thing I'm curious about is if dnsmasq is restarted while a VM holds a lease, how will it respond? As someone else has pointed-out to me - isc-dhcp

Re: [Dnsmasq-discuss] Query about solving a DHCPNAK issue

2015-02-02 Thread Brian Haley
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 02/02/2015 03:30 PM, Simon Kelley wrote: On 02/02/15 19:50, Brian Haley wrote: Hi, There have been a number of people chasing an issue in Openstack where dnsmasq was sending DHCPNAK's after it was restarted since it's being started with