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Maniphest T4280

dhcp-relay: does not work with wireguard uplink
Confirmed, HighPublicBUG
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Description

Checked in VyOS 1.3.0
When Wireguard is specified as the uplink interface for dhcp-relay, isc-dhcp-relay cannot start. Consequently, dhcp-relay does not work.
To recreate:

set service dhcp-relay interface 'eth0'
set service dhcp-relay interface 'eth1'
set service dhcp-relay interface 'wg01'
set service dhcp-relay server '10.1.1.111'

ISC-DHCP-Relay seems to be the problem (Unsupported device type 65534 for "wg01"):

vyos@vyos# sudo /usr/sbin/dhcrelay -4 -pf /run/dhcp-relay/dhcrelay.pid -c 10 -a -i eth0 -i eth1 -i wg01 10.1.1.111
Requesting: eth0 as upstream: Y downstream: Y
Requesting: eth1 as upstream: Y downstream: Y
Requesting: wg01 as upstream: Y downstream: Y
Internet Systems Consortium DHCP Relay Agent 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/dum3/ce:18:4c:3b:c3:8e
Sending on   LPF/dum3/ce:18:4c:3b:c3:8e
Listening on LPF/eth3/50:04:00:03:00:03
Sending on   LPF/eth3/50:04:00:03:00:03
Listening on LPF/eth2/50:04:00:03:00:02
Sending on   LPF/eth2/50:04:00:03:00:02
Unsupported device type 65534 for "wg01"
If you think you have received this message due to a bug rather
than a configuration issue please read the section on submitting
bugs on either our web page at www.isc.org or in the README file
before submitting a bug.  These pages explain the proper
process and the information we find helpful for debugging.
exiting.
[edit]

Details

Difficulty level
Unknown (require assessment)
Version
1.3.0
Why the issue appeared?
Will be filled on close
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Event Timeline

Unknown Object (User) created this task.Mar 2 2022, 9:14 AM
Unknown Object (User) changed the task status from Open to Confirmed.
Unknown Object (User) created this object in space S1 VyOS Public.
pasik subscribed.Mar 2 2022, 10:33 AM
fernando subscribed.Mar 2 2022, 11:47 AM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.2); removed VyOS 1.3 Equuleus.Aug 14 2022, 1:05 PM
dmbaturin edited projects, added VyOS 1.3 Equuleus (1.3.3); removed VyOS 1.3 Equuleus (1.3.2).Aug 14 2022, 6:14 PM
I-n-d-y subscribed.Mar 31 2023, 5:01 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.4); removed VyOS 1.3 Equuleus (1.3.3).Jul 12 2023, 9:46 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.5); removed VyOS 1.3 Equuleus (1.3.4).Aug 25 2023, 9:29 PM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.6); removed VyOS 1.3 Equuleus (1.3.5).Dec 17 2023, 11:36 PM
dmbaturin triaged this task as High priority.Jan 10 2024, 9:22 PM
dmbaturin added projects: VyOS 1.4 Sagitta, VyOS 1.5 Circinus.
syncer edited projects, added VyOS 1.3 Equuleus (1.3.7); removed VyOS 1.3 Equuleus (1.3.6).Feb 10 2024, 9:17 AM
syncer edited projects, added VyOS 1.4 Sagitta (1.4.0-GA); removed VyOS 1.4 Sagitta.May 7 2024, 8:02 AM
syncer edited projects, added VyOS 1.3 Equuleus (1.3.8); removed VyOS 1.3 Equuleus (1.3.7).May 13 2024, 7:31 PM
dmbaturin edited projects, added VyOS 1.3 Equuleus (1.3.9); removed VyOS 1.3 Equuleus (1.3.8).Jun 20 2024, 10:17 AM
dmbaturin edited projects, added VyOS 1.4 Sagitta (1.4.1); removed VyOS 1.3 Equuleus (1.3.9), VyOS 1.4 Sagitta (1.4.0-GA), VyOS 1.5 Circinus.Jul 2 2024, 7:28 PM
dmbaturin added a project: Restricted Project.Sun, Sep 15, 5:03 PM
HollyGurza changed the subtype of this task from "Task" to "Bug".Tue, Sep 24, 1:26 PM
HollyGurza subscribed.Fri, Sep 27, 12:35 PM

i retested this issue
actual for:
Version: VyOS 1.3-stable-202409270542 (DHCP Relay Agent 4.4.1)

do not reproduce on:
Version: VyOS 1.4-stable-202409170309 (DHCP Relay Agent 4.4.3-P1)
Version: VyOS 1.5-rolling-202409160007 (DHCP Relay Agent 4.4.3-P1)

HollyGurza edited projects, added VyOS 1.3 Equuleus; removed VyOS 1.4 Sagitta (1.4.1).Fri, Sep 27, 12:35 PM