12-18 
     input packets missing pcb cache: 0 
Sent packets: 
     Total: 0 
Table 12-10 display udp ipv6 statistics command output description 
Field  Description 
Total  Total number of received/sent packets 
checksum error  Total number of packets with a checksum error 
shorter than header 
Total number of IPv6 UDP packets whose total length is 
less than specified by the packet header 
data length larger than packet 
Total number of packets whose data length exceeds that 
specified by the packet header 
unicast(no socket on port) 
Total number of unicast packets without any socket 
received on a port 
broadcast/multicast(no socket on port) 
Total number of broadcast/multicast packets without any 
socket received on a port 
not delivered, input socket full 
Number of packets not handled because of the receive 
buffer being full 
input packet missing pcb cache 
Number of packets failing to match the Protocol Control 
Block (PCB) cache 
 
ipv6 
Syntax 
ipv6 
undo ipv6 
View 
System view 
Default Level 
2: System level 
Parameters 
None 
Description 
Use the ipv6 command to enable the IPv6 packet forwarding function.  
Use the undo ipv6 command to disable the IPv6 packet forwarding function. 
By default, the IPv6 packet forwarding function is disabled. 
Examples 
# Enable the IPv6 packet forwarding function. 
<Sysname> system-view 
[Sysname] ipv6