Guest

Preview Tool

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

ap-17.3.0.95

Description (partial)

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 - 17.3.0.95
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.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.