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labsim: both matrices green end to end, numbers reproduced
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Final confirming run with GRACE=300 and every fix installed:

  --all   ALL PASS  (T0 T3 T5 T8 T11 T12)
  --hard  ALL PASS  (replace / deny / disable, each policy verified)

Second independent measurement of the hard failover, which is what makes the
figures trustworthy rather than anecdotal:

                run 1   run 2
  replace        26s     26s
  deny          148s    141s
  disable        21s     20s

`deny` sits at ~141-148s across both, so it is the AC's dead-peer behaviour
and not a one-off; GRACE=300 keeps roughly 2x margin.

Corrected an overclaim in PPPOE-HA.md while confirming it: the invariant row
read "AC never showed two simdsl sessions", and under session-control=disable
it did -- one live, one orphaned from the destroyed router. Only ever one LIVE
router dialled, which is the invariant that matters. Said so plainly rather
than leaving a table that reads better than the evidence.
This commit is contained in:
Michal
2026-09-06 00:42:01 +01:00
parent 97efb5abb2
commit 5ed0e4888a
11 changed files with 177 additions and 163 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
labsim/wan-failover-evidence/T8-lease-expiry/state.txt
View File

@@ -1,26 +1,27 @@
=== 2026-09-06T00:07:44+01:00 ===
=== 2026-09-06T00:29:16+01:00 ===
--- AC sessions ---
ifname | username | ip | ip6 | ip6-dp | calling-sid | rate-limit | state | uptime | rx-bytes | tx-bytes
--------+----------+----+-----+--------+-------------------+------------+-------+----------+----------+----------
| | | | | 52:54:00:e5:95:a2 | | start | 00:00:00 | 0 B | 0 B
ifname | username | ip | ip6 | ip6-dp | calling-sid | rate-limit | state | uptime | rx-bytes | tx-bytes
--------+----------+----+-----+--------+-------------+------------+-------+--------+----------+----------
--- 172.31.1.252 ---
vip=172.31.1.1 holds_vip=yes wan_disabled=no wan_up=no ppp_up=no ppp_active=yes may_dial=yes lease_age=2 dropin=yes role=master
Sep 05 18:11:42 apitest vrrp-wan[3016900]: MASTER: dialling pppoe0
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
vip=172.31.1.1 holds_vip=yes wan_disabled=no wan_up=no ppp_up=no ppp_active=no may_dial=no lease_age=- dropin=yes role=master
Sep 05 23:13:08 apitest vrrp-wan[7122]: bond0.53 enable commit took 4s
-- Boot 46727d256db344d6ad4b37c142272071 --
Sep 05 23:18:31 apitest vrrp-wan[6258]: MASTER: dialling pppoe0
Sep 05 23:18:31 apitest vrrp-wan[6411]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:18:36 apitest vrrp-wan[7038]: bond0.53 enable commit took 5s
-- Boot 68bb1e8d56b34d55a511a301c24270fe --
Sep 05 23:27:40 apitest vrrp-wan[12502]: MASTER: dialling pppoe0
Sep 05 23:27:40 apitest vrrp-wan[12654]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:27:45 apitest vrrp-wan[13361]: bond0.53 enable commit took 5s
Sep 05 23:29:01 apitest vrrp-wan[16369]: GUARD: lease stale (200s > 75s; is vrrp-wan-reconcile.timer running?) -- hanging up 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
Sep 05 23:16:11 vyos vrrp-wan[7190]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:16:15 vyos vrrp-wan[7979]: bond0.53 enable commit took 4s
-- Boot c0e38585d7354ad6ab018800c7f3f6be --
Sep 05 23:22:54 vyos vrrp-wan[5970]: MASTER: dialling pppoe0
Sep 05 23:22:54 vyos vrrp-wan[6126]: MASTER with bond0.53 disabled -> enabling
Sep 05 23:22:59 vyos vrrp-wan[6915]: bond0.53 enable commit took 5s
Sep 05 23:27:40 vyos vrrp-wan[16037]: not MASTER: hanging up pppoe0
Sep 05 23:27:40 vyos vrrp-wan[16198]: not MASTER but bond0.53 enabled -> releasing
Sep 05 23:27:47 vyos vrrp-wan[16840]: bond0.53 disable commit took 7s