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Bug #8526

open

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:

0%

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.

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