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Добрый вечер! Если можно помогите решит проблему , используем как ядро catalyst 4500, он отправляет netflow. Но уже переполняется таблица flow ! В логах пишется:

 

2d10h: %C4K_HWNETFLOWMAN-4-FLOWSLOSTERR: Netflow stats lost either due to hardware hash collisions or full hardware flow table. Stats lost for 30 packets.

 

 

Версия

 

 

cisco#show version

Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 12.2(25)EWA6, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright © 1986-2006 by Cisco Systems, Inc.

Compiled Fri 02-Jun-06 15:20 by ssearch

Image text-base: 0x10000000, data-base: 0x114ED458

 

ROM: 12.1(20r)EW1

Dagobah Revision 95, Swamp Revision 28

 

 

System image file is "bootflash:cat4000-i9s-mz.122-25.EWA6.bin"

 

cisco WS-C4503 (MPC8245) processor (revision 7) with 524288K bytes of memory.

Processor board ID FOX0802004B

MPC8245 CPU at 333Mhz, Supervisor IV

Last reset from PowerUp

24 Virtual Ethernet interfaces

26 Gigabit Ethernet interfaces

403K bytes of non-volatile configuration memory.

 

Configuration register is 0x2102

 

cisco#show module 1

Mod Ports Card Type Model Serial No.

---+-----+--------------------------------------+------------------+-----------

1 2 Supervisor IV 1000BaseX (GBIC) WS-X4515 JAE08061DSL

 

M MAC addresses Hw Fw Sw Status

--+--------------------------------+---+------------+----------------+---------

1 000f.2434.7b40 to 000f.2434.7b41 3.1 12.1(20r)EW1 12.2(25)EWA6 Ok

 

Mod Submodule Model Serial No. Hw Status

----+-----------------------+-----------------+------------+----+---------

1 Netflow Services Card WS-F4531 JAE1052JG1J 2.2 Ok

 

 

 

настройка Netflow

 

 

!

ip route-cache flow infer-fields

ip flow ingress infer-fields

ip flow-cache timeout inactive 10

ip flow-cache timeout active 1

ip flow-export source Loopback0

ip flow-export version 5

ip flow-export destination x.x.x.x 9995

!

 

есть интерфейсы с которых проходят большой трафик , но можно из них не собирать flow , но жаль в этом железке нельзя фильтрование по порту.

 

Как можно решит проблему ?

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Добрый вечер! Если можно помогите решит проблему , используем как ядро catalyst 4500, он отправляет netflow. Но уже переполняется таблица flow ! В логах пишется:

 

2d10h: %C4K_HWNETFLOWMAN-4-FLOWSLOSTERR: Netflow stats lost either due to hardware hash collisions or full hardware flow table. Stats lost for 30 packets.

 

 

Версия

 

 

cisco#show version

Cisco IOS Software, Catalyst 4000 L3 Switch Software (cat4000-I9S-M), Version 12.2(25)EWA6, RELEASE SOFTWARE (fc1)

Technical Support: http://www.cisco.com/techsupport

Copyright © 1986-2006 by Cisco Systems, Inc.

Compiled Fri 02-Jun-06 15:20 by ssearch

Image text-base: 0x10000000, data-base: 0x114ED458

 

ROM: 12.1(20r)EW1

Dagobah Revision 95, Swamp Revision 28

 

 

System image file is "bootflash:cat4000-i9s-mz.122-25.EWA6.bin"

 

cisco WS-C4503 (MPC8245) processor (revision 7) with 524288K bytes of memory.

Processor board ID FOX0802004B

MPC8245 CPU at 333Mhz, Supervisor IV

Last reset from PowerUp

24 Virtual Ethernet interfaces

26 Gigabit Ethernet interfaces

403K bytes of non-volatile configuration memory.

 

Configuration register is 0x2102

 

cisco#show module 1

Mod Ports Card Type Model Serial No.

---+-----+--------------------------------------+------------------+-----------

1 2 Supervisor IV 1000BaseX (GBIC) WS-X4515 JAE08061DSL

 

M MAC addresses Hw Fw Sw Status

--+--------------------------------+---+------------+----------------+---------

1 000f.2434.7b40 to 000f.2434.7b41 3.1 12.1(20r)EW1 12.2(25)EWA6 Ok

 

Mod Submodule Model Serial No. Hw Status

----+-----------------------+-----------------+------------+----+---------

1 Netflow Services Card WS-F4531 JAE1052JG1J 2.2 Ok

 

 

 

настройка Netflow

 

 

!

ip route-cache flow infer-fields

ip flow ingress infer-fields

ip flow-cache timeout inactive 10

ip flow-cache timeout active 1

ip flow-export source Loopback0

ip flow-export version 5

ip flow-export destination x.x.x.x 9995

!

 

есть интерфейсы с которых проходят большой трафик , но можно из них не собирать flow , но жаль в этом железке нельзя фильтрование по порту.

 

Как можно решит проблему ?

 

Важно ли включить ip cef ?

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