Приветствую.
Имеем такую конфигурацию бекбона:

(C3750G-24T)--(RAD ASM40)--2mbit/s G.703--(RAD ASM40)--(c3550-24EMI)

С3750G-24T - это core router/switch одного здания. Поднято много Vlan'ов, маршрутизация между ними и тд. В здании около 200 компьютеров, коммутатор загружен очень мало, вообщем с этим все в норме.

C3550-24EMI - это core router/switch другого здания. Поднят один единственный Vlan маршрутизация настроена статично, практически все кидается на С3750G-24T. Интерфейс Fa0/24 подключен через Rad по E1 к С3750G-24T. В здании около 100 компьютеров и какое-то время коммутатор работает нормально, практически без загруженности. Затем с периодичностью приблизительно дня в 3-4 у него заполняется вся память, причем процесс заполнения памяти, судя по мониторингу (юзаю SolarWinds Orion NPM) происходит в течение получаса, максимум час. Память сжирается в основном процессом "CEF чего-то там", арп кеш превышает более чем в семь раз арп кеш на С3750G-24T. При выполнении команды clear arp-cache почти вся память освобождается и так до следующего раза. Почему это происходит? Может мне поменять само соединение между коммутаторами, использовать RIP или OSPF или может соединить по второму уровню используя VTP? Какие будут предложения?

сх вер:

C3550-CORE3#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C3550 Software (C3550-I5K2L2Q3-M), Version 12.1(14)EA1, RELEASE SOFTWAR
E (fc1)
Copyright (c) 1986-2003 by cisco Systems, Inc.
Compiled Tue 22-Jul-03 14:14 by antonino
Image text-base: 0x00003000, data-base: 0x008DE510

ROM: Bootstrap program is C3550 boot loader

C3550-CORE3 uptime is 4 hours, 8 minutes
System returned to ROM by power-on
System image file is "flash:c3550-i5k2l2q3-mz.121-14.EA1/c3550-i5k2l2q3-mz.121-1
4.EA1.bin"

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

cisco WS-C3550-24 (PowerPC) processor (revision E0) with 65526K/8192K bytes of m
emory.
Processor board ID CHK0636V0XE
Last reset from warm-reset
Bridging software.
Running Layer2/3 Switching Image

Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802.3 interfaces

Ethernet-controller 3 has 1 Gigabit Ethernet/IEEE 802.3 interface

Ethernet-controller 4 has 1 Gigabit Ethernet/IEEE 802.3 interface

24 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)

The password-recovery mechanism is enabled.
384K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:0A:F4:10:A6:80
Motherboard assembly number: 73-5700-08
Power supply part number: 34-0966-02
Motherboard serial number: CAT063504T6
Power supply serial number: DCA06340Q58
Model revision number: E0
Motherboard revision number: D0
Model number: WS-C3550-24-SMI
System serial number: CHK0636V0XE
Configuration register is 0x10F

кусок конфига:
!
interface FastEthernet0/21
switchport access vlan 16
switchport mode access
storm-control broadcast level 5.00
storm-control multicast level 1.00
rmon collection stats 21 owner monitor
rmon collection history 21 owner monitor buckets 50 interval 1800
no cdp enable
!
interface FastEthernet0/22
switchport access vlan 16
switchport mode access
storm-control broadcast level 5.00
storm-control multicast level 1.00
rmon collection stats 22 owner monitor
rmon collection history 22 owner monitor buckets 50 interval 1800
no cdp enable
!
interface FastEthernet0/23
switchport access vlan 16
switchport mode access
storm-control broadcast level 5.00
storm-control multicast level 1.00
rmon collection stats 23 owner monitor
rmon collection history 23 owner monitor buckets 50 interval 1800
no cdp enable
!
interface FastEthernet0/24
description connection to C3750-CORE1
no switchport
ip address 10.136.16.2 255.255.255.0
ip helper-address 192.168.1.11
no ip redirects
no ip unreachables
storm-control broadcast level 5.00
storm-control multicast level 1.00
rmon collection stats 24 owner monitor
rmon collection history 24 owner monitor buckets 50 interval 1800
no cdp enable
!
interface GigabitEthernet0/1
switchport mode dynamic desirable
shutdown
no cdp enable
!
interface GigabitEthernet0/2
switchport mode dynamic desirable
shutdown
no cdp enable
!
interface Vlan1
no ip address
!
interface Vlan16
description 17th subnet
ip address 192.168.17.2 255.255.255.0 secondary
ip address 10.136.17.1 255.255.255.0
ip helper-address 192.168.1.11
no ip redirects
no ip unreachables
no ip proxy-arp
!
ip classless
ip route 0.0.0.0 0.0.0.0 Null0 255
ip route 10.131.0.0 255.255.0.0 172.16.0.4
ip route 10.136.0.0 255.255.0.0 FastEthernet0/24
ip route 10.136.17.0 255.255.255.0 Vlan16
ip route 10.136.17.206 255.255.255.255 192.168.17.194
ip route 10.136.17.207 255.255.255.255 192.168.17.194
ip route 10.136.17.208 255.255.255.255 192.168.17.194
ip route 10.136.17.209 255.255.255.255 192.168.17.194
ip route 10.136.17.210 255.255.255.255 192.168.17.194
ip route 10.136.20.0 255.255.255.0 10.136.17.92
ip route 10.136.20.253 255.255.255.255 10.136.17.92
ip route 10.136.20.254 255.255.255.255 10.136.17.92
ip route 10.137.0.0 255.255.0.0 10.136.17.92
ip route 192.5.41.209 255.255.255.255 10.136.2.1
ip route 192.168.0.0 255.255.0.0 FastEthernet0/24
ip route 192.168.17.0 255.255.255.0 Vlan16
ip route 212.96.192.7 255.255.255.255 10.136.16.1
ip route 212.96.195.33 255.255.255.255 10.136.16.1
ip route 217.20.80.29 255.255.255.255 10.136.16.1
ip route 217.20.80.37 255.255.255.255 10.136.16.1
no ip http server
!

• Заполнение памяти на C3550(не вирус!), ВОЛКА, 22:35 , 18-Ноя-04, (1)  
  • Заполнение памяти на C3550(не вирус!), Tetsuo, 07:18 , 19-Ноя-04, (2)  
    • Заполнение памяти на C3550(не вирус!), ВОЛКА, 09:06 , 19-Ноя-04, (3)  
      • Заполнение памяти на C3550(не вирус!), Tetsuo, 16:23 , 19-Ноя-04, (4)  
        • Заполнение памяти на C3550(не вирус!), sh_, 15:29 , 21-Ноя-04, (5)