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[routing-manager] resend failed RS messages in 4 seconds (#7504)

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Current `Routing Manager` implementation will try to send the failed
RS messages in 60 seconds.  RS failures happen often when the infra
interface is re-enabled which is the case of rebooting, and it could
not be acceptable for the border router to take 1 minute to recover
the IPv6 connectivity after reboot.

To resolve this issue, this commit changes the delay to
`kRtrSolicitationInterval` (4 seconds) which is the interval between
two successful RS messages.
This commit is contained in:
Kangping
2022-03-22 14:26:12 -07:00
committed by GitHub
parent 237c91b939
commit bc6ce12f03
2 changed files with 5 additions and 4 deletions
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src/core/border_router/routing_manager.hpp
+3 -2
View File
@@ -219,8 +219,9 @@ private:
static constexpr uint32_t kRtrSolicitationInterval = 4; // Interval between RSs. In sec.
static constexpr uint32_t kMaxRtrSolicitationDelay = 1; // Max delay for initial solicitation. In sec.
static constexpr uint32_t kRoutingPolicyEvaluationJitter = 1000; // Jitter for routing policy evaluation. In msec.
static constexpr uint32_t kRtrSolicitationRetryDelay = 60; // The delay before retrying failed RS tx. In Sec.
static constexpr uint32_t kMinDelayBetweenRtrAdvs = 3000; // Min delay (msec) between consecutive RAs.
static constexpr uint32_t kRtrSolicitationRetryDelay =
kRtrSolicitationInterval; // The delay before retrying failed RS tx. In Sec.
static constexpr uint32_t kMinDelayBetweenRtrAdvs = 3000; // Min delay (msec) between consecutive RAs.
// The STALE_RA_TIME in seconds. The Routing Manager will consider the prefixes
// and learned RA parameters STALE when they are not refreshed in STALE_RA_TIME
tests/scripts/thread-cert/border_router/test_single_border_router.py
+2 -2
View File
@@ -267,9 +267,9 @@ class SingleBorderRouter(thread_cert.TestCase):
br.enable_ether()
# The routing manager may fail to send RS and will wait for 60 seconds
# The routing manager may fail to send RS and will wait for 4 seconds
# before retrying.
self.simulator.go(80)
self.simulator.go(20)
self.collect_ipaddrs()
logging.info("BR addrs: %r", br.get_addrs())