Добрый день, есть вопрос - умеет ли киска (2821) разбирать dubble tagged пакеты. Как это сделать?
>Добрый день, есть вопрос - умеет ли киска (2821) разбирать dubble tagged
>пакеты. Как это сделать?
имеется в виду 802.1q-In-q tunneling?
встроенные в саму 2821 скорее всего нет.
а вот EtherSwitch - да
http://wwwij.cisco.com/en/US/products/ps5855/products_qanda_...
но именно как оконечное устройство, т.е. вам еще нужно будет тэгировать трафик например у провайдера.
R2821(config-subif)#encapsulation dot1Q 60 second-dot1q ?
WORD Second (inner) VLAN IDs e.g. 100,200-300,400,500-600
any All Inner VLAN IDs not configured on another subinterface>встроенные в саму 2821 скорее всего нет.
Поясните pls...
>R2821(config-subif)#encapsulation dot1Q 60 second-dot1q ?
> WORD Second (inner) VLAN IDs e.g. 100,200-300,400,500-600
> any All Inner VLAN IDs not configured on
>another subinterface
>
>>встроенные в саму 2821 скорее всего нет.
>
>Поясните pls...гм. ошибочка вышла.
смутило то что This feature was integrated into Cisco IOS Release 12.3(7)XI7 and implemented on the Cisco 10000 series router.
>R2821(config-subif)#encapsulation dot1Q 60 second-dot1q ?
> WORD Second (inner) VLAN IDs e.g. 100,200-300,400,500-600
> any All Inner VLAN IDs not configured on
>another subinterface
>
>>встроенные в саму 2821 скорее всего нет.
>
>Поясните pls...
cisco2821(config-subif)#enc
cisco2821(config-subif)#encapsulation d
cisco2821(config-subif)#encapsulation dot1Q 520 ?
native Make this as native vlan
<cr>cisco2821(config-subif)#
..... наверно IOS не позволяет. У меня:
!
version 12.4
!
boot system flash c2800nm-advipservicesk9-mz.124-4.T1.bin
!
У меня
c2800nm-advipservicesk9-mz.124-3c.binsh ver покажи...
>У меня
>c2800nm-advipservicesk9-mz.124-3c.bin
>
>sh ver покажи...
cisco2821#sho version
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(4)T1, RELEASE SOFTWARE (fc4)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Wed 21-Dec-05 17:42 by ccaiROM: System Bootstrap, Version 12.3(8r)T7, RELEASE SOFTWARE (fc1)
ROM: Cisco IOS Software, 2800 Software (C2800NM-IPBASE-M), Version 12.3(8)T5, RELEASE SOFTWARE (fc2)cisco2821 uptime is 5 hours, 54 minutes
System returned to ROM by power-on
System image file is "flash:c2800nm-advipservicesk9-mz.124-4.T1.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.htmlIf you require further assistance please contact us by sending email to
export@cisco.com.Cisco 2821 (revision 53.51) with 249856K/12288K bytes of memory.
Processor board ID FHK0902F3Y4
2 Gigabit Ethernet interfaces
1 Virtual Private Network (VPN) Module
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
62592K bytes of ATA CompactFlash (Read/Write)Configuration register is 0x2102
cisco2821#
sh run у этого интерфейса покажи...
>sh run у этого интерфейса покажи...
cisco2821#sho run int gigabitEthernet 0/1.2
Building configuration...Current configuration : 142 bytes
!
interface GigabitEthernet0/1.2
encapsulation dot1Q 520
ip address 10.10.7.254 255.255.255.0
no snmp trap link-status
no cdp enable
endcisco2821#
conf t
no interface GigabitEthernet0/1.2
interface GigabitEthernet0/1.2
enc d 520 ?
>conf t
>no interface GigabitEthernet0/1.2
>interface GigabitEthernet0/1.2
>enc d 520 ?сенькью!!!!
cisco2821(config)#no int gi
cisco2821(config)#no int gigabitEthernet 0/1.2
Not all config may be removed and may reappear after reactivating the sub-interface
cisco2821(config)#int gi
cisco2821(config)#int gigabitEthernet 0/1.2
cisco2821(config-subif)#enc
cisco2821(config-subif)#encapsulation d
cisco2821(config-subif)#encapsulation dot1Q 520 ?
native Make this as native vlan
second-dot1q Configure this subinterface as a 1Q-in-1Q subinterface
<cr>cisco2821(config-subif)#encapsulation dot1Q 520 sec
cisco2821(config-subif)#encapsulation dot1Q 520 second-dot1q ?
WORD Second (inner) VLAN IDs e.g. 100,200-300,400,500-600
any All Inner VLAN IDs not configured on another subinterfacecisco2821(config-subif)#encapsulation dot1Q 520 second-dot1q 120 ?
<cr>cisco2821(config-subif)#encapsulation dot1Q 520 second-dot1q 120
cisco2821(config-subif)#