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Cisco Bug: CSCup11548 - ARP Request through repeater link does not reach Root AP

Last Modified

Dec 01, 2014

Products (43)

  • Cisco Aironet 3700 Series Access Points
  • Cisco 881SRSTW Integrated Services Router
  • Cisco AP802 Integrated Access Point
  • Cisco 888W Integrated Services Router
  • Cisco Aironet 1552I Outdoor Access Point
  • Cisco 892W Integrated Services Router
  • Cisco 861W Integrated Services Router
  • Cisco Aironet 2600i Access Point
  • Cisco Aironet 2700e Access Point
  • Cisco 881W Integrated Services Router
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Known Affected Releases

15.2(4)JB5

Description (partial)

Symptom:
In a daisy-chain topology consisting of one root AP and two repeaters, clients associated to AP#3 are not able to ping AP#1 nor the default gateway.  However, AP#3 can ping just fine all the devices along the path.

                      Root Acesss Point  Repeater#1   Repeater#2

LAN --|Switch|-----|AP1|)))(((|AP2|)))(((|AP3| (((( |client|
                                                                             (((( |client|
Success----------Succes--------------Ping
Fail ----------------------------------------------Ping
                   Fail ---------------------------Ping
                              Success--------------Ping
                                         Success---Ping

Conditions:
This failure happens only when AP#3 is a 'new' model like 2600, 3500, 3600.  Issue does not occur when AP is 1242.  End user is using 1310 bridges as Root and Repeater#1, and a 2600 series as AP#3.  Partner is able to recreate this consistenly using 1242's as Root and Repeater#1 and using a 2600 and 3600 as Repeater#3.
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