SNR S2989G-48TX-DC — настройка и устранение неполадок Dot1q-tunnel и GVRP [134/553]
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SNR S2989G-48TX-DC — настройка и устранение неполадок Dot1q-tunnel и GVRP [134/553]

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SNR S2989G-48TX-DC [134/553] Introduction to dot1q tunnel
2-70
CE1
Unsymmetrical
connection
PE1
This port on PE1 is enabled
QinQ and belong to VLAN3
SP networks
Customer
networks1
Trunk connection
This port on PE1 is enabled
QinQ and belong to VLAN3
PE2
CE2
Unsymmetrical
connection
On the customer port
Trunk VLAN 200-300
Customer
networks2
S2989G-24TX Operation Manual Chapter 2 Layer 2 services
Configuration
Switch(config)#interface ethernet 1/0/11
Switch(Config-If-Ethernet1/0/11)#switchport mode trunk
Switch(Config-If-Ethernet1/0/11)# gvrp
Switch(Config-If-Ethernet1/0/11)#exit
2.14.4
GVRP Troubleshooting
The GARP counter setting for Trunk ports in both ends of Trunk link must be the
same, otherwise GVRP will not work normally. It is recommended to avoid enabling GVRP
and RSTP at the same time in switch. If GVRP needs to be enabled, RSTP function for the
ports must be disabled first.
2.15
Dot1q-tunnel
2.15.1
Introduction to Dot1q-tunnel
Dot1q-tunnel is also called QinQ (802.1Q-in-802.1Q), which is an expansion of
802.1Q. Its dominating idea is encapsulating the customer VLAN tag (CVLAN tag) to the
service provider VLAN tag (SPVLAN tag). Carrying the two VLAN tags the packet is
transmitted through the backbone network of the ISP internet, so to provide a simple
layer-2 tunnel for the users. It is simple and easy to manage, applicable only by static
configuration, and especially adaptive to small office network or small scale metropolitan
area network using layer-3 switch as backbone equipment.
On the customer port
Trunk VLAN 200-300
Figure 2-23 Dot1q-tunnel based Internetworking mode
As shown in above, after being enabled on the user port, dot1q-tunnel assigns each
user an SPVLAN identification (SPVID). Here the identification of user is 3. Same SPVID

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Узнайте, как правильно настраивать и устранять неполадки Dot1q-tunnel и GVRP для эффективного управления VLAN в сетях. Полезные советы и рекомендации.