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Cisco Bug: CSCus99367 - 3850 re-writes mobility capwap data packets with TTL 9

Last Modified

May 31, 2017

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

15.2(3)E

Description (partial)

Symptom:
3850 re-writes mobility capwap data packets with TTL 9

Conditions:
3850 re-writes mobility capwap data packets with TTL 9.  As a result any capwap data packets(DHCP/ARP etc) sent via mobility tunnel will have a TTL set to 9 which means these packets will not be able to make more than 9 hops.

In an environment where 3850 wlan is anchored to another WLC/Switch >9 hops away, clients will not be able to get DHCP IP.

Hardware affected: 3850/3650 
Software versions impacted: 3.3.x, 3.6.0, 3.6.1, 3.6.2, 3.7.0, 3.7.1

5760 is not impacted by this issue
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