Cisco Bug: CSCvu80233 - 17.3 - Stale Entries is seen in mDNS cache after TTL expires
Aug 21, 2020
- Cisco Aironet 1850 Series Access Points
Known Affected Releases
Symptom: 17.3 - Stale Entries is seen in mDNS cache after TTL expires Conditions: Observed that some of mdns cache entries are not cleared even after hours TTL expiry. Setup:- --- WLC - vEWLC -BLD_V173_THROTTLE_LATEST_20200614_013309_V17_3_0_189 AP Version - 188.8.131.52 No.of APs(98 WSIIM +2 Real APs) No.of Clients - 16 Steps:- ===== - Loaded wlc with BLD_V173_THROTTLE_LATEST_20200614_013309_V17_3_0_189 - Enable mdns gateway - configure mdns flex profile with 5 mins cache update timer - simulate aps and clients from WSIM - simulate mdns advt from WSIIM for all cliients - wait till TTL expires and verify mdns cache Observed that cache is not cleared from both AP and WLC after TTL expiry.
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