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ASR1000 BRAS AAA ест много CPU

Добрый день!

 

Есть ASR1004 с RP2. Используется в качестве BRAS. Абонентов в пике около 19К.

 

Загрузка CPU RP при этом 50-60%.

 

Основную загрузку генерит процесс AAA Per-User, 20-25%.

 

Софт 13.01.S.

 

Есть еще BRAS 10008. На нем ААА не более 1%

 

Что можно предпринять для уменьшения загрузки CPU процессом AAA?

 

Вот все, что связано с AAA

 

BRAS#sh run | i aaa

aaa new-model

aaa session-mib disconnect

aaa group server radius RAD

aaa authentication login default local group RAD enable

aaa authentication ppp default local group RAD

aaa authorization exec default local group RAD

aaa authorization network default local group RAD

aaa authorization reverse-access default local

aaa accounting send counters ipv6

aaa accounting update newinfo periodic 30

aaa accounting exec default start-stop group RAD

aaa accounting network default start-stop group RAD

aaa accounting network RADIUS-ACCT start-stop group radius

aaa accounting system default start-stop group RAD

aaa session-id unique

aaa max-sessions 64000

aaa policy interface-config allow-subinterface

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