Network diagram, Configuration procedure – H3C Technologies H3C S7500E Series Switches User Manual

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Network diagram

Figure 4-7 Network diagram for configuring multicast forwarding over a GRE tunnel

Configuration procedure

1) Configure

addresses

Configure the IP address and mask for each interface as per

. The detailed

configuration steps are omitted here.

2) Configure a GRE tunnel

# Create Tunnel 0 on Switch A and configure the IP address and mask for the interface.

system-view

[SwitchA] interface tunnel 0

[SwitchA-Tunnel0] ip address 50.1.1.1 24

# Configure Tunnel 0 to work in the GRE tunnel mode and specify the source and destination

addresses of the interface.

[SwitchA-Tunnel0] tunnel-protocol gre

[SwitchA-Tunnel0] source 20.1.1.1

[SwitchA-Tunnel0] destination 30.1.1.2

[SwitchA-Tunnel0] quit

# Create Tunnel 0 on Switch C and configure the IP address and mask for the interface.

system-view

[SwitchC] interface tunnel 0

[SwitchC-Tunnel0] ip address 50.1.1.2 24

# Configure Tunnel to operate in the GRE tunnel mode and configure the source and

destination addresses of the interface.

[SwitchC-Tunnel0] tunnel-protocol gre

[SwitchC-Tunnel0] source 30.1.1.2

[SwitchC-Tunnel0] destination 20.1.1.1

[SwitchC-Tunnel0] quit

3) Configure

OSPF.

# Configure OSPF on Switch A.

[SwitchA] ospf 1

[SwitchA-ospf-1] area 0

[SwitchA-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255

[SwitchA-ospf-1-area-0.0.0.0] network 20.1.1.0 0.0.0.255

[SwitchA-ospf-1-area-0.0.0.0] network 50.1.1.0 0.0.0.255

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