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Cisco Bug: CSCvu80233 - 17.3 - Stale Entries is seen in mDNS cache after TTL expires

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases


Description (partial)

17.3 - Stale Entries is seen in mDNS cache after TTL expires

Observed that some of mdns cache entries are not cleared even after hours TTL expiry.

WLC - vEWLC -BLD_V173_THROTTLE_LATEST_20200614_013309_V17_3_0_189
AP Version -
No.of APs(98 WSIIM +2 Real APs)
No.of Clients - 16

 - 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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