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Cisco Bug: CSCub18395 - PAT not working when shut/no shut nat+hrsp config interface

Last Modified

Jan 29, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)SXJ3.43

Description (partial)

Symptom:
dynmaic nat translation fails when HSRP VIP address is used in NAT IP pool, also this message appears on console when this issue occurs.
"*Jul 24 06:41:06.239: %IPNAT-4-ADDR_ALLOC_FAILURE: Address allocation failed for 192.168.8.149, pool users_Tullets might be exhausted"

Conditions:
When NAT configured on HSRP enabled interface,HSRP VIP being used in IP NAT pool and may be when well-known ports like 80/443 are not used,seeing when port like 2222 in use in my setup.
Shut/no shut the IP NAT OUTSIDE interface where HSRP is also configured
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