display ipv6 statistics
Parameters
| Parameter | Description | Value |
|---|---|---|
| interface interface-name |
Specifies the name of an interface. |
The value is a string of 1 to 63 case-sensitive characters, spaces not supported. |
| interface interface-type interface-number |
Displays IPv6 traffic statistics on the interface with a specified type and number. |
- |
Usage Guidelines
Usage Scenario
To view statistics about the sent and received IPv6 packets, run the display ipv6 statistics command.
During transmission of IPv6 packets, when the source end implements fragmentation on IPv6 packets, run the display ipv6 statistics command to view the number of successfully fragmented IPv6 packets and the total number of sent fragmented packets. On the destination end, this command also displays whether the number of received fragmented packets is correct. The incorrect packets are discarded and the number of discarded packets is increased correspondingly.
Precautions
The packets received by a router include the forwarded packets, the packets transmitted to the upper layer, and the discarded packets.
Example
The actual command output varies according to the device. The command output here is only an example.
<HUAWEI> display ipv6 statistics
IPv6 protocol:
Sent packets:
Total : 16
Local sent out : 16 Forwarded : 0
Raw packets : 16 Discarded : 0
Fragmented : 0 Fragments : 0
Fragments failed : 0 Multicast : 0
Received packets:
Total : 576453 Local host : 281268
Hop count exceeded : 0 Header error : 0
Too big : 0 Routing failed : 0
Address error : 0 Protocol error : 0
Truncated : 0 Option error : 0
Fragments : 0 Reassembled : 0
Reassembly timeout : 0 Multicast : 576453
Fragments error : 1
Extension header:
Hop-by-hop options : 284107 Mobility header : 0
Destination options : 0 Routing header : 0
Fragment header : 0 Authentication header : 0
Encapsulation header : 0 No header : 0
TLV length error : 0 Header length error : 0
Unknown header type : 0 Unknown TLV type : 0
filter:
Hop-by-hop options : 2 Fragment header : 0
Destination options : 0 Routing header : 0
Authentication header : 0 Encapsulation header : 0
| Item | Description |
|---|---|
| IPv6 protocol | IPv6 protocol. |
| Sent packets | Statistics about sent packets. |
| Total | Total number of sent packets. |
| Total | Total number of received packets. |
| Local sent out | Number of locally sent packets. |
| Local host | Number of packets received by the local host, that is, the number of packets whose unicast destination address is the host address or the multicast destination address and the host address belong to the same multicast group. Packets with incorrect IPv6 headers, packets with the packet length shorter than 40 bytes, and packets with the extension header length greater than the packet length are not counted. |
| Forwarded | Number of forwarded packets. |
| Raw packets | Packets sent by raw socket, such as ping or tracert packets. |
| Discarded | Total number of discarded packets. |
| Fragmented | Number of successfully fragmented IPv6 packets. |
| Fragments | Number of sent fragmented packets. |
| Fragments failed | Number of IPv6 packets that fail to be fragmented. |
| Fragments | Number of received fragmented packets. |
| Fragments error | Number of packets with an incomplete first fragment header. |
| Multicast | Number of sent multicast packets. |
| Multicast | Number of received multicast packets. |
| Received packets | Statistics about received packets. |
| Hop count exceeded | Number of packets discarded because of excessive hop count. |
| Header error | Number of packets carrying an incorrect header format. |
| Header length error | Number of extension headers in which the length field is wrong. |
| Too big | Number of packets that fail to be forwarded because of excessive sizes. |
| Routing failed | Number of packets that fail to be routed. |
| Routing header | Number of routing option headers. |
| Routing header | Route extension header. |
| Address error | Number of packets carrying an incorrect address. |
| Protocol error | Number of packets carrying an incorrect protocol type. |
| Truncated | Number of packets discarded because the actual packet length is shorter than that specified in the packet length field. |
| Option error | Number of packets carrying an incorrect option. |
| Reassembled | Number of successfully reassembled packets. |
| Reassembly timeout | Number of packets that fail to be reassembled because of timeout. |
| Extension header | Statistics on extension headers of received packets. |
| Hop-by-hop options | Number of hop-by-hop option headers. |
| Hop-by-hop options | Hop-by-hop extension header. |
| Mobility header | Number of mobility headers. |
| Destination options | Number of destination option headers. |
| Destination options | Destination option extension header. |
| Fragment header | Number of fragment headers. |
| Fragment header | Fragment extension header. |
| Authentication header | Number of authentication headers. |
| Authentication header | Authentication extension header. |
| Encapsulation header | Number of encapsulation headers. |
| Encapsulation header | Encapsulating payload extension header. |
| No header | Number of headers not followed by any upper-layer protocols. |
| TLV length error | Number of extension headers in which the TLV length field is wrong. |
| Unknown header type | Number of unknown extension header types. |
| Unknown TLV type | Number of unknown TLV types. |
| filter | Number of packets discarded based on the configured IPv6 extension header. |