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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


Description (partial)

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, pool users_Tullets might be exhausted"

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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