Traffic forwarding method, device and system
A traffic forwarding and flow technology, applied in the field of network communication, can solve the problems of high IPL link bandwidth requirements and increased IPL link business burden, so as to improve forwarding reliability, reduce IPL link burden, and reduce business messages the lost effect of
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[0159] Example 1
[0160] Such as Figure 3a As shown, the DR group includes two member devices VTEP B and VTEP C. VTEP B and VTEP C are connected to a customer edge CE device CE A (traffic receiving device) through a distributed aggregated DR port. CE A is connected to CE A through two physical ports. Aggregate DR port connection. The actual IP addresses on VTEP B and VTEP C are 1.1.1.1 and 2.2.2.2 respectively, and VTEP B and VTEP C record the actual IP address and DR port status of their respective peer member devices, that is, the record address of VTEP B is 2.2. 2.2 and DR port status is UP, VTEP C record address is 1.1.1.1 and DR port status is DOWN. When the DR port states of VTEP B and VTEP C are both UP, VTEP B and VTEP C advertise the virtual IP address 3.3.3.3, and the DR group establishes the VXLAN tunnel tunnel0 between the DR group and VTEP D through the virtual IP address. , To communicate with the flow sending device (VTEP D).
[0161] When VTEP B detects that th...
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[0174] Example 2
[0175] Such as Figure 3c As shown, the DR group includes four member devices VTEP B, VTEP C, VTEP E, and VTEP F. VTEP B, VTEP C, VTEP E, and VTEP F are connected to the user edge CE device CE A ( Traffic receiving equipment), CE A is connected to the aggregated DR port through four physical ports. The DR port status of each member device is initially UP. Each member device in the DR group records the actual IP address and DR port status of each member device. For example, VTEP B records VTEP B, VTEP C, VTEP E, and VTEP F corresponding to The actual IP address and DR port status.
[0176] The actual IP address on VTEP B is 1.1.1.1, the actual IP address on VTEP C is 2.2.2.2, the actual IP address on VTEP E is 1.1.1.2, the actual IP address on VTEP F is 2.1.1.1, and the actual IP address on VTEP B is 2.1.1.1. , VTEP C, VTEP E, VTEPF four devices all advertise the virtual IP address 3.3.3.3, the DR group establishes the VXLAN tunnel tunnel0 between the DR group a...
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