# \[ACOS\]:LSN: TCP user-quota exceeded on pool **URL:** \ **Category:** ADC - Application Delivery\ **Tags:** cgn\ **Created:** [March 14, 2016, 11:57pm UTC](https://community.a10networks.com/t/acos-tcp-user-quota-exceeded-on-pool/382 "2016-03-14T23:57:19Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Math](https://avatars.discourse-cdn.com/v4/letter/m/ea666f/32.png) [@Math](https://community.a10networks.com/u/Math)\ **Post date:** [March 14, 2016, 11:57pm UTC](https://community.a10networks.com/t/acos-tcp-user-quota-exceeded-on-pool/382/1 "2016-03-14T23:57:19Z")
Dear Support Team, # We are using Thunder Series Unified Application Service Gateway TH930(A10) as CGN. Currently we have a problem with the following log message: ```auto Mar 15 2016 10:22:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (5 times) Mar 15 2016 10:22:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (8 times) Mar 15 2016 10:22:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (152 times) Mar 15 2016 10:22:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (122 times) Mar 15 2016 10:20:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (8 times) Mar 15 2016 10:20:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (4 times) Mar 15 2016 10:20:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (31 times) Mar 15 2016 10:20:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (20 times) Mar 15 2016 10:19:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (82 times) Mar 15 2016 10:19:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (95 times) Mar 15 2016 10:19:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (68 times) Mar 15 2016 10:19:10 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (118 times) Mar 15 2016 10:18:40 Notice [ACOS]:LSN: TCP user-quota exceeded on pool pool-100.64.8.0 (113 times) ``` ============================================================================================ # Here are some information about the device: 1. lsn-lid configuration lsn-lid 1 source-nat-pool pool-100.64.8.0 user-quota icmp 20 user-quota udp 500 reserve 0 user-quota tcp 750 reserve 500 2.#show version Thunder Series Unified Application Service Gateway TH930   Copyright 2007-2014 by A10 Networks, Inc. All A10 Networks products are   protected by one or more of the following US patents:   8595819, 8595791, 8595383, 8584199, 8464333, 8423676, 8387128, 8332925, 8312507   8291487, 8266235, 8151322, 8079077, 7979585, 7804956, 7716378, 7665138, 7647635   7627672, 7596695, 7577833, 7552126, 7392241, 7236491, 7139267, 6748084, 6658114   6535516, 6363075, 6324286, 5875185, RE44701, 8392563, 8103770, 7831712, 7606912   7346695, 7287084, 6970933, 6473802, 6374300 64-bit Advanced Core OS (ACOS) version 2.8.2-P1, build 4 (Aug-02-2014,07:27)         Booted from Hard Disk primary image              Serial Number: TH10A63214261027       aFleX version: 2.0.0       aXAPI version: 2.8 ```auto       Hard Disk primary image (default) version 2.8.2-P1, build 4       Hard Disk secondary image version 2.7.1-P1, build 76       Last configuration saved at Mar-13-2015, 14:33       Hardware: 4 CPUs(Stepping 9), Single 78G Hard disk ``` Memory 8151 Mbyte, Free Memory 3418 Mbyte       Hardware Manufacturing Code: 142611 ```auto       Current time is Mar-15-2016, 10:17 3.\#show ip nat lsn user-quota-sessions ``` User-Quota Session Statistics ```auto ----------------------------- ``` # LSN User-Quota Created 620715 LSN User-Quota Freed 620605 LSN User-Quota Creation Failed 0 LSN TCP User-Quota Exceeded 54267212 LSN UDP User-Quota Exceeded 4344357 LSN ICMP User-Quota Exceeded 216908 Please advise us any solution to fix this problem without disconnecting all the sessions. Best Regards, Math Tea ---
**Author:** ![diederik](https://avatars.discourse-cdn.com/v4/letter/d/a587f6/32.png) [@diederik](https://community.a10networks.com/u/diederik)\ **Post date:** [March 15, 2016, 7:42am UTC](https://community.a10networks.com/t/acos-tcp-user-quota-exceeded-on-pool/382/2 "2016-03-15T07:42:05Z")
Hello, Please realise this is not a “Support” forum, this is an A10 Community forum, where A10 users and A10 employees heal each other. Although sometimes support like questions are being answered, for real support questions the best way is to call or e-mail our support desk. In this case I think it use very important to find out what kind of traffic is causing the user to exceed it’s quota. And if this is maybe malicious traffic. Contact support by e-mail: [support@a10networks.com](mailto:support@a10networks.com) Or bij phone, local support numbers can be found here: [Contact A10](https://www.a10networks.com/company/contact-us) Greetings, Diederik ---
**Author:** ![Math](https://avatars.discourse-cdn.com/v4/letter/m/ea666f/32.png) [@Math](https://community.a10networks.com/u/Math)\ **Post date:** [March 15, 2016, 12:11pm UTC](https://community.a10networks.com/t/acos-tcp-user-quota-exceeded-on-pool/382/3 "2016-03-15T12:11:12Z")
Hello Diederik, Thanks for your information. Regards, Math