H3C Technologies H3C SecPath F1000-E - Manual (Page 752)

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Figure 18 P2MP GRE tunnel interface management page
Figure 19 Add a P2MP GRE tunnel interface
Table 4 describes the P2MP GRE tunnel interface configuration items.
Table 4 P2MP GRE tunnel interface configuration items
Item Description
Tunnel Interface Specify the number of the tunnel interface.
IP/Mask
Specify the IP address and subnet mask of the tunnel interface.
IMPORTANT:
When configuring a static route on the tunnel interface, note that the destination
IP address of the static route must not be in the subnet of the tunnel interface.
Zone Specify the security zone to which the tunnel interface belongs.
Tunnel Source
IP/Interface
Specify the source IP address for the tunnel interface.
You can input an IP address or select an interface. In the latter case, the primary IP
address of the interface will be used as the tunnel source address.
IMPORTANT:
z You must configure a source address on a P2MP GRE tunnel interface. Two
or more P2MP GRE tunnel interfaces cannot share the same source
address.
z On each branch node, you need to configure the destination address of the
GRE over IPv4 tunnel interface as the source address of the P2MP GRE
tunnel interface.