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Bug #7018

closed

DHCP packets replicated on non-DHCP relay interface

Added by Jan Eagleman over 8 years ago. Updated almost 6 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Category:
DHCP Relay
Target version:
-
Start date:
12/17/2016
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
Affected Architecture:

Description

When enabling DHCP relay for the following networks:

LAN: 192.168.2.0
PUBLIC: 192.168.4.0

But not on:

Server: 192.168.1.0

I am seeing double the amount of DORA packets on the server network (when DHCP relay is disabled on that interface)

This is what I am seeing on the Server network (packet capture from the pfsense Server interface: http://i.imgur.com/FrYdWyz.png

To ensure this is not caused by some loop in my network I "unplugged" he LAN and Public interface cable, I am still seeing the same issue:
http://i.imgur.com/oeXTBVW.png

Actions #1

Updated by Kill Bill over 8 years ago

No idea what's the bug here (the requests are relayed from the configured interfaces to the network where's the configured DHCP server, which is what one would expect, otherwise things just would not work at all.)

As a side note, last time this thing was touched (#6355), it resulted in complete breakage (see #6658 and links in there). If you think you have a bug here, I would suggest you move this either to the upstream's top-secret bug tracker [1], or to their very much dead mailing list [2]

[1] https://www.isc.org/community/report-bug/
[2] https://lists.isc.org/pipermail/dhcp-workers/

Actions #2

Updated by Jim Pingle almost 6 years ago

  • Category set to DHCP Relay
  • Status changed from New to Closed

Most likely solved by #9466 or other changes in the last few years.

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