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lab/labsim/wan-failover-evidence/T4-hard-failover-replace/state.txt
Michal 4d47b609a2
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PPPOE-HA: record the two failure modes found by running the thing
Both were invisible to inspection and only appeared under the hard matrix:
the flap damper tearing down an established session via the lease it stopped
renewing, and a missing peers file being completely silent. The second has a
production edge worth spelling out -- an unsaved commit reverts on reboot and
takes pppoe0 with it, leaving a standby that can never take over while
looking perfectly healthy.
2026-09-06 00:11:32 +01:00

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=== 2026-09-06T00:11:13+01:00 ===
--- AC sessions ---
ifname | username | ip | ip6 | ip6-dp | calling-sid | rate-limit | state | uptime | rx-bytes | tx-bytes
--------+----------+----------------+-----+--------+-------------------+------------+--------+----------+----------+----------
ppp0 | simdsl | 198.51.100.127 | | | 52:54:00:4e:0b:56 | | active | 00:00:30 | 514 B | 204 B
--- 172.31.1.252 ---
--- 172.31.1.253 ---
vip=172.31.1.1 holds_vip=yes wan_disabled=no wan_up=yes ppp_up=yes ppp_active=yes may_dial=yes lease_age=10 dropin=yes role=master
pppoe0 UNKNOWN 198.51.100.127 peer 198.51.100.1/32
default nhid 110 dev pppoe0 proto static metric 20
Sep 05 22:57:40 vyos vrrp-wan[199948]: GUARD: lease stale (81s > 75s; is vrrp-wan-reconcile.timer running?) -- hanging up pppoe0
Sep 05 23:02:41 vyos vrrp-wan[206596]: MASTER: dialling pppoe0
Sep 05 23:06:17 vyos vrrp-wan[213698]: not MASTER: hanging up pppoe0
Sep 05 23:06:18 vyos vrrp-wan[213859]: not MASTER but bond0.53 enabled -> releasing
Sep 05 23:06:23 vyos vrrp-wan[214503]: bond0.53 disable commit took 5s
Sep 05 23:10:43 vyos vrrp-wan[221064]: MASTER: dialling pppoe0
Sep 05 23:10:44 vyos vrrp-wan[221212]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:10:48 vyos vrrp-wan[221995]: bond0.53 enable commit took 4s