H3C S5500-SI Series Operation Manual
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H3C S5500-SI Series Operation Manual

H3C S5500-SI Series Operation Manual

Qinq-bpdu tunnel
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Download this manual See also: Configuration Manual, Operating Manual
Operation Manual - QinQ-BPDU TUNNEL
H3C S5500-SI Series Ethernet Switches
Chapter 1 QinQ Configuration ..................................................................................................... 1-1
1.1 Introduction to QinQ........................................................................................................... 1-1
1.1.1 Understanding QinQ ............................................................................................... 1-1
1.1.2 Implementations of QinQ ........................................................................................ 1-2
1.1.3 Adjustable TPID Value of QinQ Frames ................................................................. 1-2
1.2 Configuring Basic QinQ ..................................................................................................... 1-3
1.3 Configuring Selective QinQ ............................................................................................... 1-4
1.4 Configuring TPID to be Adjustable .................................................................................... 1-5
1.5 QinQ Configuration Example ............................................................................................. 1-5
1.6 QinQ-MSTP Cooperation Configuration Example ............................................................. 1-8
Chapter 2 BPDU Tunnel Configuration ....................................................................................... 2-1
2.1 Introduction to BPDU Tunnel ............................................................................................. 2-1
2.1.1 Problems in QinQ-Enabled Network ....................................................................... 2-1
2.1.2 Why BPDTU Tunnel................................................................................................ 2-1
2.2 Configuring BPDU Tunnel ................................................................................................. 2-2
2.2.1 Configuration Prerequisites..................................................................................... 2-2
2.2.2 Configuring BPDU Tunnel....................................................................................... 2-3
2.3 BPDU Tunnel Configuration Example ............................................................................... 2-4

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  • Page 1: Table Of Contents

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Table of Contents Table of Contents Chapter 1 QinQ Configuration ..................... 1-1 1.1 Introduction to QinQ......................1-1 1.1.1 Understanding QinQ ....................1-1 1.1.2 Implementations of QinQ ..................1-2 1.1.3 Adjustable TPID Value of QinQ Frames ..............1-2 1.2 Configuring Basic QinQ .....................

  • Page 2: Chapter 1 Qinq Configuration

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration Chapter 1 QinQ Configuration 1.1 Introduction to QinQ 1.1.1 Understanding QinQ In the VLAN tag field defined in IEEE 802.1Q, only 12 bits are used for VLAN IDs, so a device can support a maximum of 4,094 VLANs.

  • Page 3: Implementations Of Qinq

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration Note: The QinQ feature requires configurations only on the service provider network, and not on the customer network. 1.1.2 Implementations of QinQ There are two types of QinQ implementations: basic QinQ and selective QinQ.

  • Page 4: Configuring Basic Qinq

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration 6 bytes 6 bytes 6 bytes 6 bytes 4 bytes 4 bytes 46 ~1500 bytes 46 ~1500 bytes 4 bytes 4 bytes 4 bytes 4 bytes...

  • Page 5: Configuring Selective Qinq

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration 1.3 Configuring Selective QinQ The outer VLAN tag inserted by the basic QinQ feature is the VLAN tag corresponding to the port’s default VLAN ID, while the selective QinQ feature can add different VLAN tags according to the inner VLAN tags carried in received frames.

  • Page 6: Configuring Tpid To Be Adjustable

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration 1.4 Configuring TPID to be Adjustable Follow these steps to configure TPID to be adjustable: To do... Use the command... Remarks Enter system view system-view Optional...
  • Page 7 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration II. Network diagram Customer 1 Customer 1 Customer 1 Customer 1 VLAN 10 、 VLAN20 VLAN 10 、 VLAN20 GigabitEthernet GigabitEthernet Trunk Trunk 1/0/1 1/0/1 GigabitEthernet...
  • Page 8 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration [Sysname-GigabitEthernet1/0/1-vid-2000] quit [Sysname-GigabitEthernet1/0/1] quit # Configure GigabitEthernet 1/0/2 as a trunk port, and permit frames of VLAN 1000 and VLAN 2000 to pass. [Sysname] interface GigabitEthernet 1/0/2...

  • Page 9: Qinq-Mstp Cooperation Configuration Example

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration After the above configuration, frames from VLAN 10 and VLAN 20 on Customer 1 are double-tagged when transmitted by the trunk ports of Provider 1 and Provider 2: Frames from VLAN 10 are transmitted with the tag of VLAN 1000 as the outer tag, and the TPID carried in the outer tag being 0x8200.
  • Page 10 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration Note: “Permit:” beside each link in the above figure is followed by the VLANs whose packets are permitted to pass the link. III. Configuration procedure Configuration on Switch C # Configure an MST region.
  • Page 11 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 1 QinQ Configuration # Enter Ethernet port view of GigabitEthernet1/0/4 to perform related configuration. [Sysname] interface GigabitEthernet1/0/4 [Sysname-GigabitEthernet1/0/4] port link-type trunk [Sysname-GigabitEthernet1/0/4] port trunk permit vlan 10 20 1000 2000 # Tag packets from VLAN 10 with the outer VLAN tag of VLAN 1000.

  • Page 12: Chapter 2 Bpdu Tunnel Configuration

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration Chapter 2 BPDU Tunnel Configuration 2.1 Introduction to BPDU Tunnel 2.1.1 Problems in QinQ-Enabled Network In a QinQ implementation, as the service provider network is transparent to customer networks, any redundant links between the two bring about loops.

  • Page 13: Configuring Bpdu Tunnel

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration As shown in Figure 2-1, the upper part is the service provider network, and the lower part represents customer networks. The service provider network comprises BPDU input/output devices.

  • Page 14: Configuring Bpdu Tunnel

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration 2.2.2 Configuring BPDU Tunnel Perform the following tasks to configure BPDU tunnel: To do... Use the command... Remarks Enter system view system-view — Optional Enabled by default...

  • Page 15: Bpdu Tunnel Configuration Example

    Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration Note: For an Ethernet port, as STP is incompatible with STP BPDU tunnel, the two features cannot be enabled at the same time. Before enabling STP BPDU tunnel for a port, make sure STP is not enabled on the port.
  • Page 16 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration II. Network diagram Customer1 Customer1 Custome Custome Ethernet 1 /0 /2 Ethernet 1 /0 /2 Gigabit Gigabit Gigabit Gigabit Ethernet 1 /0 /4 Ethernet 1 /0 /4...
  • Page 17 Operation Manual – QinQ-BPDU TUNNEL H3C S5500-SI Series Ethernet Switches Chapter 2 BPDU Tunnel Configuration [Sysname-GigabitEthernet1/0/3] bpdu-tunnel dot1q enable [Sysname-GigabitEthernet1/0/3] bpdu-tunnel dot1q stp [Sysname-GigabitEthernet1/0/3] quit # Enable STP BPDU tunnel for GigabitEthernet 1/0/5. [Sysname] interface GigabitEthernet 1/0/5 [Sysname-GigabitEthernet1/0/5] port access vlan 2...

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