Стенд: DES 3528, в 1 порту маршрутизатор cisco 1841, в 23 компьютер. Настройки коммутатора
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Command: show switch
Device Type : DES-3528 Fast Ethernet Switch
MAC Address : 00-21-91-25-F1-C0
IP Address : 10.100.100.8 (Manual)
VLAN Name : mgmt
Subnet Mask : 255.255.255.224
Default Gateway : 10.100.100.30
Boot PROM Version : Build 1.00.B007
Firmware Version : Build 1.03.B009
Hardware Version : A1
Serial Number : P1UM187000192
System Name : --test--
System Location :
System Contact :
Spanning Tree : Disabled
GVRP : Disabled
IGMP Snooping : Disabled
MLD Snooping : Disabled
TELNET : Enabled (TCP 23)
WEB : Disabled
SNMP : Enabled
SSL Status : Disabled
SSH Status : Disabled
802.1x : Disabled
Jumbo Frame : On
Clipaging : Enabled
MAC Notification : Disabled
Port Mirror : Enabled
SNTP : Enabled
HOL Prevention State : Enabled
Syslog Global State : Disabled
Single IP Management : Disabled
Dual Image : Supported
Password Encryption Status : Disabled
--test--:3#sh vlan
Command: show vlan
VID : 1 VLAN Name : default
VLAN Type : Static Advertisement : Enabled
Member Ports :
Static Ports :
Current Tagged Ports :
Current Untagged Ports:
Static Tagged Ports :
Static Untagged Ports :
Forbidden Ports :
VID : 20 VLAN Name : green
VLAN Type : Static Advertisement : Disabled
Member Ports : 1,23
Static Ports : 1,23
Current Tagged Ports : 1
Current Untagged Ports: 23
Static Tagged Ports : 1
Static Untagged Ports : 23
Forbidden Ports :
VID : 100 VLAN Name : mgmt
VLAN Type : Static Advertisement : Disabled
Member Ports : 28
Static Ports : 28
Current Tagged Ports :
Current Untagged Ports: 28
Static Tagged Ports :
Static Untagged Ports : 28
Forbidden Ports :
Total Entries: 3
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настройки маршрутизатора
interface FastEthernet0/0.20
encapsulation dot1Q 20
ip address 192.168.0.1 255.255.255.0
no cdp enable
настройки хоста
eth1 Link encap:Ethernet HWaddr 00:10:EE:89:24:07
inet addr:192.168.0.10 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:58894 errors:0 dropped:0 overruns:0 frame:0
TX packets:52761 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:5498020 (5.2 MiB) TX bytes:26471975 (25.2 MiB)
Interrupt:217 Base address:0xa000
Суть проблемы в том, что после применения команды
enable qinq даже без создания каких либо правил трансляций связь между маршрутизатором и хостом обрывается.
Такое впечатление, что коммутатор изымает untaged порт 23 из влана.
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