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lab/labsim/wan-failover-evidence/T12-holdoff-keeps-session/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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=== 2026-09-06T00:10:11+01:00 ===
--- AC sessions ---
ifname | username | ip | ip6 | ip6-dp | calling-sid | rate-limit | state | uptime | rx-bytes | tx-bytes
--------+----------+----------------+-----+--------+-------------------+------------+--------+----------+----------+----------
ppp0 | simdsl | 198.51.100.126 | | | 52:54:00:e5:95:a2 | | active | 00:01:57 | 514 B | 204 B
--- 172.31.1.252 ---
vip=172.31.1.1 holds_vip=yes wan_disabled=no wan_up=no ppp_up=yes ppp_active=yes may_dial=yes lease_age=23 dropin=yes role=master
pppoe0 UNKNOWN 198.51.100.126 peer 198.51.100.1/32
default nhid 78 dev pppoe0 proto static metric 20
Sep 05 18:11:42 apitest vrrp-wan[3017050]: MASTER with bond0.53 disabled -> enabling
Sep 05 18:11:46 apitest vrrp-wan[3017685]: bond0.53 enable commit took 4s
-- Boot 7cb878bdb4c74380ae7869ffd0dad9eb --
Sep 05 23:06:18 apitest vrrp-wan[18533]: MASTER: dialling pppoe0
Sep 05 23:06:18 apitest vrrp-wan[18704]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:06:22 apitest vrrp-wan[19398]: bond0.53 enable commit took 4s
Sep 05 23:07:35 apitest vrrp-wan[22111]: GUARD: lease stale (206s > 75s; is vrrp-wan-reconcile.timer running?) -- hanging up pppoe0
Sep 05 23:07:43 apitest vrrp-wan[22667]: MASTER: dialling pppoe0
Sep 05 23:08:14 apitest vrrp-wan[24120]: MASTER: dialling pppoe0
--- 172.31.1.253 ---
vip=172.31.1.1 holds_vip=no wan_disabled=yes wan_up=no ppp_up=no ppp_active=no may_dial=no lease_age=- dropin=yes role=backup
Sep 05 22:56:19 vyos vrrp-wan[196724]: DIAL FLAP: >=6 attempts in 600s -- holding off 900s
Sep 05 22:57:24 vyos vrrp-wan[199011]: MASTER with bond0.53 disabled -> enabling
Sep 05 22:57:28 vyos vrrp-wan[199711]: bond0.53 enable commit took 4s
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