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Maniphest T8172

VPP: pppoe doesn't work with vpp in circinus
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Description

The following error is present in system journal when pppoe vpp integration is configured:

accel-pppoe[4982]: pppoe: No support for vpp, option vpp-cp invalid for interface eth1

Config:

set vpp settings interface eth1 driver 'dpdk'
set service pppoe-server interface eth1 vpp-cp

set service pppoe-server access-concentrator 'PPPoE-Server'
set service pppoe-server authentication local-users username test password 'test'
set service pppoe-server authentication mode 'local'
set service pppoe-server client-ip-pool PPPOE-POOL range '203.0.113.20-203.0.113.30'
set service pppoe-server default-pool 'PPPOE-POOL'
set service pppoe-server gateway-address '203.0.113.1'

There is no vyos_vpp in /run/accel-pppd/pppoe.conf

### generated by accel_pppoe.py ###
[modules]
log_syslog
pppoe
shaper
chap-secrets
ippool
auth_pap
auth_chap_md5
auth_mschap_v1
auth_mschap_v2

[core]
thread-count=8

[log]
syslog=accel-pppoe,daemon
copy=1
level=3

In Rolling vyos_vpp is present

vyos@vyos# cat /run/accel-pppd/pppoe.conf
### generated by accel_pppoe.py ###
[modules]
log_syslog
pppoe
shaper
chap-secrets
ippool
auth_pap
auth_chap_md5
auth_mschap_v1
auth_mschap_v2
vyos_vpp

[core]
thread-count=8

[log]
syslog=accel-pppoe,daemon
copy=1
level=3

Details

Version
vyos-1.5-stream-202601120925
Is it a breaking change?
Unspecified (possibly destroys the router)
Issue type
Bug (incorrect behavior)

Related Objects
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StatusSubtypeAssignedTask
 OpenBUGNoneT7070 VPP related bugs the root task
 ResolvedBUGViacheslavT8172 VPP: pppoe doesn't work with vpp in circinus

Event Timeline

a.kudientsov created this task.Mon, Jan 12, 7:09 PM
a.kudientsov added a parent task: T7070: VPP related bugs the root task.
Viacheslav claimed this task.Mon, Jan 12, 7:10 PM
Viacheslav triaged this task as Normal priority.
a.kudientsov reassigned this task from Viacheslav to sever.Mon, Jan 12, 7:11 PM
a.kudientsov reassigned this task from sever to Viacheslav.
a.kudientsov added a subscriber: Viacheslav.
a.kudientsov added a subscriber: sever.
pasik subscribed.Mon, Jan 12, 7:44 PM
a.kudientsov added a comment.Tue, Jan 13, 9:06 AM

Problem reproduces in latest circinus build as well:

accel-pppoe[3731]: pppoe: No support for vpp, option vpp-cp invalid for interface eth1
vyos@vyos# run sh ver
Version:          VyOS 1.5-stream-202601130419
Release train:    circinus
Release flavor:   generic

Built by:         autobuild@vyos.net
Built on:         Tue 13 Jan 2026 04:20 UTC
Build UUID:       de312f6b-2e04-49ad-be42-3d85ba5fb940
Build commit ID:  a11dbac4412279
vyos@vyos# cat /run/accel-pppd/pppoe.conf 
### generated by accel_pppoe.py ###
[modules]
log_syslog
pppoe
shaper
chap-secrets
ippool
auth_pap
auth_chap_md5
auth_mschap_v1
auth_mschap_v2
vyos_vpp

[core]
thread-count=8

[log]
syslog=accel-pppoe,daemon
copy=1
level=3

[client-ip-range]
0.0.0.0/0

[common]
single-session=replace

[pppoe]
verbose=1
ac-name=PPPoE-Server
interface=eth1,vpp-cp=true
ip-pool=PPPOE-POOL

[ip-pool]
gw-ip-address=203.0.113.1
203.0.113.20-30,name=PPPOE-POOL

[chap-secrets]
chap-secrets=/run/accel-pppd/pppoe.chap-secrets
gw-ip-address=203.0.113.1

#ppp options
[ppp]
verbose=1
check-ip=1
ccp=1
unit-preallocate=0
min-mtu=1280
mppe=prefer
lcp-echo-interval=30
lcp-echo-timeout=0
lcp-echo-failure=3
ipv6=deny
ipv6-accept-peer-intf-id=0
mtu=1492

[cli]
tcp=127.0.0.1:2001


vyos@vyos# /usr/sbin/accel-pppd -V
accel-ppp 3e30d9b


vyos@vyos# run sh ver all|grep accel
ii  accel-ppp-ng                     1.13.0                                   amd64        PPtP/L2TP/PPPoE/SSTP server for Linux


vyos@vyos# run sh ver all|grep vpp
ii  libvppinfra                      25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--runtime libraries
ii  libvppinfra-dev                  25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--runtime libraries
ii  python3-vpp-api                  25.06.0-30~vyos20251230173410.8faa06204  amd64        VPP Python3 API bindings
ii  vpp                              25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--executables
ii  vpp-crypto-engines               25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--runtime crypto engines
ii  vpp-dev                          25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--development support
ii  vpp-plugin-core                  25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--runtime core plugins
ii  vpp-plugin-dpdk                  25.06.0-30~vyos20251230173410.8faa06204  amd64        Vector Packet Processing--runtime dpdk plugin
Viacheslav changed the task status from Open to Needs testing.Tue, Jan 13, 11:28 AM

Rebuild vyos-1x
And missed backport https://github.com/vyos/vyos-build/pull/1081

Viacheslav closed this task as Resolved.Fri, Jan 16, 4:26 PM
Viacheslav edited projects, added VyOS 1.5 Circinus; removed VyOS Rolling.
Viacheslav moved this task from Open to Finished on the VyOS 1.5 Circinus board.