Bug #8526: DHCP client ignores server replies when 802.1q tagging is used - pfSense - pfSense bugtracker

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Bug #8526

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DHCP client ignores server replies when 802.1q tagging is used

Added by Nuno Subtil over 6 years ago. Updated over 5 years ago.

Status:

New

Priority:

Normal

Assignee:

Category:

Interfaces

Target version:

Start date:

05/19/2018

Due date:

% Done:

Estimated time:

Plus Target Version:

Release Notes:

Affected Version:

Affected Architecture:

Description

Some ISPs (notably AT&T Gigapower) will send 802.1q-encapsulated DHCP replies, which get filtered out by the BPF filter applied on the listening socket by dhclient. This causes dhclient to ignore those replies and never obtain an IP address in this scenario.