Configuration procedure
To configure an IPv4 over IPv4 tunnel:
Step | Command | Remarks |
|---|---|---|
1. Enter system view. | system-view | N/A |
2. Enter IPv4 over IPv4 tunnel interface view. | interface tunnel number [ mode ipv4-ipv4 ] | N/A |
3. Configure an IPv4 address for the tunnel interface. | ip address ip-address { mask | mask-length } [ sub ] | By default, no IPv4 address is configured for the tunnel interface. |
4. Configure a source address or source interface for the tunnel interface. | source { ipv4-address | interface-type interface-number } | By default, no source address or source interface is configured for the tunnel interface. If you specify a source address, it is used as the source IP address of tunneled packets. If you specify a source interface, the primary IP address of this interface is used as the source IP address of tunneled packets. |
5. Configure a destination address for the tunnel interface. | destination ipv4-address | By default, no destination address is configured for the tunnel interface. The tunnel destination address must be the IP address of the receiving interface on the tunnel peer. It is used as the destination IP address of tunneled packets. |
6. (Optional.) Set the DF bit for tunneled packets. | tunnel dfbit enable | By default, the DF bit is not set for tunneled packets. |