Добрый день!
Есть проблемма в работе WS-C3750G-24TS-1U, прошивка c3750-ipservicesk9-mz.122-25.SED
Есть в наличии 3 разных VLAN
скорость обмена между хостами внутри VLAN. Скорости 23-28 Mb
когда идет обмен между хостами в разных VLAN скорость копирования 2,3 - 2,7 Мб в сек.
загрузка проца в циске в этот момент 80-100 %
Сильно похоже на неработающий CEF
К примеру общение двух хостов из Vlan 20 и Vlan 3
Создает такую картину
c3750-m#sh proc cpu so 5s
CPU utilization for five seconds: 92%/25%; one minute: 33%; five minutes: 13%
PID Runtime(ms) Invoked uSecs 5Sec 1Min 5Min TTY Process
154 83962252 57143309 1469 60.00% 19.52% 5.63% 0 IP Input
109 1004325 31368322 32 1.27% 0.29% 0.06% 0 Hulc LED Processпри этом CEF включен и работает.
c3750-m#sh cef state
CEF Status:
RP instance
common CEF enabled
IPv4 CEF Status:
CEF enabled/running
dCEF enabled/running
CEF switching enabled/running
original per-destination load sharing algorithm
c3750-m#sh cef int vla 3
Vlan3 is up (if_number 2071)
Corresponding hwidb fast_if_number 2071
Corresponding hwidb firstsw->if_number 2071
Internet address is 192.168.2.1/24
ICMP redirects are always sent
IP unicast RPF check is disabled
Input features: NAT Outside
Output features: Post-routing NAT Outside
Inbound access list is not set
Outbound access list is not set
IP policy routing is disabled
BGP based policy accounting on input is disabled
BGP based policy accounting on output is disabled
Hardware idb is Vlan3
Fast switching type 1, interface type 142
IP CEF switching enabled
IP CEF switching turbo vector
IP prefix lookup IPv4 mtrie 8-8-8-8 optimized
Input fast flags 0x40, Output fast flags 0x100
ifindex 2071(2071)
Slot 0 Slot unit 3 VC -1
Transmit limit accumulator 0x0 (0x0)
IP MTU 1500
c3750-m#sh cef int vla 20
Vlan20 is up (if_number 2088)
Corresponding hwidb fast_if_number 2088
Corresponding hwidb firstsw->if_number 2088
Internet address is 192.168.20.1/24
ICMP redirects are always sent
IP unicast RPF check is disabled
Input features: MAC Accounting, Precedence Accounting, NAT Outside
Output features: Post-routing NAT Outside, IP Accounting, MAC Accouting, Precedence Accouting
Inbound access list is not set
Outbound access list is not set
IP policy routing is disabled
BGP based policy accounting on input is disabled
BGP based policy accounting on output is disabled
Hardware idb is Vlan20
Fast switching type 1, interface type 142
IP CEF switching enabled
IP CEF switching turbo vector
IP prefix lookup IPv4 mtrie 8-8-8-8 optimized
Input fast flags 0x8, Output fast flags 0x12
ifindex 2088(2088)
Slot 0 Slot unit 20 VC -1
Transmit limit accumulator 0x0 (0x0)
IP MTU 1500
---
Избранные :( участки из конфига.
no ip subnet-zero
ip routing
ip cef accounting per-prefix non-recursive
ip cef load-sharing algorithm original
!
interface GigabitEthernet2/0/11
description AMDServerMainInt
switchport access vlan 20
!
!
interface GigabitEthernet2/0/21
description For MsSQL-01
switchport access vlan 20
spanning-tree portfast
!
!
interface Vlan20
ip address 192.168.20.1 255.255.255.0
ip route-cache policy
!
interface Vlan3
ip address 192.168.2.1 255.255.255.0
ip helper-address 192.168.0.9
ip route-cache policy
!
ip default-gateway 192.168.0.1
ip classless
ip route profile
ip route 0.0.0.0 0.0.0.0 192.168.0.1
---
Any idea?????????
Вариант для распечатки
Маршрутизаторы CISCO и др. оборудование. (Public)
on 13-Июн-06, 05:00 
