show ipv6 traffic

Displays IPv6 traffic statistics.
Syntax
show ipv6 traffic
Modes

User EXEC mode

The show ipv6 traffic command displays the following information:

Output Field

Description

IPv6 Statistics

received

The total number of IPv6 packets received by the router.

sent

The total number of IPv6 packets originated and sent by the router.

forwarded

The total number of IPv6 packets received by the router and forwarded to other routers.

filtered The total number of filtered IPv6 packets.

fragmented

The total number of IPv6 packets fragmented by this device to accommodate the MTU of this device or of another device.

reassembled

The total number of fragmented IPv6 packets that this device re-assembled.

bad header

The number of IPv6 packets dropped by the device due to a bad packet header.

delivered

The total number of IPv6 packets delivered to the upper layer protocol.

rawout

This information is used by RUCKUS Technical Support.

bad vers

The number of IPv6 packets dropped by the router because the version number is not 6.

bad scope

The number of IPv6 packets dropped by the router because of a bad address scope.

bad options

The number of IPv6 packets dropped by the router because of bad options.

too many hdr

The number of IPv6 packets dropped by the router because the packets had too many headers.

no route

The number of IPv6 packets dropped by the router because there was no route.

can not forward

The number of IPv6 packets the router could not forward to another router.

redirect sent

This information is used by RUCKUS Technical Support.

frag recv

The number of fragments received by the router.

frag dropped

The number of fragments dropped by the router.

frag timeout

The number of fragment timeouts that occurred.

frag overflow

The number of fragment overflows that occurred.

reassembled

The number of fragmented IPv6 packets that the router reassembled.

fragmented

The number of IPv6 packets fragmented by the router to accommodate the MTU of this router or of another device.

ofragments

The number of output fragments generated by the router.

can not frag

The number of IPv6 packets the router could not fragment.

too short

The number of IPv6 packets dropped because they are too short.

too small

The number of IPv6 packets dropped because they do not have enough data.

not member

The number of IPv6 packets dropped because the recipient is not a member of a multicast group.

no buffer

The number of IPv6 packets dropped because there is no buffer available.

forward cache miss

The number of IPv6 packets received for which there is no corresponding cache entry.

ICMP6 statistics

Some ICMP statistics apply to both Received and Sent, some apply to Received only, some apply to Sent only, and some apply to Sent Errors only.

Applies to received and sent

dest unreach

The number of Destination Unreachable messages sent or received by the router.

pkt too big

The number of Packet Too Big messages sent or received by the router.

time exceeded

The number of Time Exceeded messages sent or received by the router.

param prob

The number of Parameter Problem messages sent or received by the router.

echo req

The number of Echo Request messages sent or received by the router.

echo reply

The number of Echo Reply messages sent or received by the router.

mem query

The number of Group Membership Query messages sent or received by the router.

mem report

The number of Membership Report messages sent or received by the router.

mem red

The number of Membership Reduction messages sent or received by the router.

router soli

The number of Router Solicitation messages sent or received by the router.

router adv

The number of Router Advertisement messages sent or received by the router.

nei soli

The number of Neighbor Solicitation messages sent or received by the router.

nei adv

The number of Neighbor Advertisement messages sent or received by the router.

redirect

The number of redirect messages sent or received by the router.

Applies to received only

bad code

The number of Bad Code messages received by the router.

too short

The number of Too Short messages received by the router.

bad checksum

The number of Bad Checksum messages received by the router.

bad len

The number of Bad Length messages received by the router.

nd toomany opt

The number of Neighbor Discovery Too Many Options messages received by the router.

badhopcount

The number of Bad Hop Count messages received by the router.

Applies to sent only

error

The number of Error messages sent by the router.

can not send error

The number of times the node encountered errors in ICMP error messages.

too freq

The number of times the node has exceeded the frequency of sending error messages.

Applies to sent errors only

unreach no route

The number of Unreachable No Route errors sent by the router.

admin

The number of Admin errors sent by the router.

beyond scope

The number of Beyond Scope errors sent by the router.

address

The number of Address errors sent by the router.

no port

The number of No Port errors sent by the router.

pkt too big

The number of Packet Too Big errors sent by the router.

time exceed transit

The number of Time Exceed Transit errors sent by the router.

time exceed reassembly

The number of Time Exceed Reassembly errors sent by the router.

param problem header

The number of Parameter Problem Header errors sent by the router.

nextheader

The number of Next Header errors sent by the router.

option

The number of Option errors sent by the router.

redirect

The number of Redirect errors sent by the router.

unknown

The number of Unknown errors sent by the router.

UDP statistics

received

The number of UDP packets received by the router.

sent

The number of UDP packets sent by the router.

no port

The number of UDP packets dropped because the packet did not contain a valid UDP port number.

input errors

This information is used by RUCKUS Technical Support.

no data

The total number of UDP packets received with no data.

TCP statistics

active opens

The number of TCP connections opened by the router by sending a TCP SYN to another device.

passive opens

The number of TCP connections opened by the router in response to connection requests (TCP SYNs) received from other devices.

failed attempts

This information is used by RUCKUS Technical Support.

active resets

The number of TCP connections the router reset by sending a TCP RESET message to the device at the other end of the connection.

passive resets

The number of TCP connections the router reset because the device at the other end of the connection sent a TCP RESET message.

input errors

This information is used by RUCKUS Technical Support.

in segments

The number of TCP segments received by the router.

out segments

The number of TCP segments sent by the router.

retransmission

The number of segments that the router retransmitted because the retransmission timer for the segment had expired before the device at the other end of the connection had acknowledged receipt of the segment.

in connections requests

The number of connection requests received by the device.

out connections requests

The number of connection requests sent by the device.

connections established

The total number of TCP connections established.

acks

The total number acknowledgments received.

duplicate acks

The total number of duplicate acknowledgments received.

duplicate bytes

The total number of TCP packets received with duplicate sequence numbers.

bad checksum

The total number of TCP packets received with a bad checksum.

no checksum

The total number of TCP packets received with no checksum.

invalid header length

The total number of TCP packets received where the header length is less than the minimum header length.

illegal TCP MSS option length

The total number of TCP packets received with an illegal TCP MSS option length.

illegal option

The total number of TCP packets received with an illegal kind of TCP option.

minimum TCP header

The total number of TCP packets received with the length of the packet less than the minimum TCP header length requirement.

invalid segment

TCP invalid segments received.

Examples

The following example shows sample output of the show ipv6 traffic command.

device> show ipv6 traffic

IP6 Statistics
  9423729 received, 34650 sent, 0 forwarded
  0 filtered, 0 fragmented, 0 reassembled, 0 bad header
  0 no route, 0 unknown proto, 0 no buffer, 2477 other errors
ICMP6 Statistics
Received:
  2 total, 0 errors, 0 unreachable, 0 time exceed
  0 parameter, 0 source quench, 0 redirect, 0 echo,
  2 echo reply, 0 timestamp, 0 timestamp reply, 0 addr mask
  0 addr mask reply, 0 irdp advertisement, 0 irdp solicitation
Sent:
  29 total, 0 errors, 18 unreachable, 0 time exceed
  0 parameter, 0 source quench, 0 redirect, 11 echo,
  0 echo reply, 0 timestamp, 0 timestamp reply, 0 addr mask
  0 addr mask reply, 0 irdp advertisement, 0 irdp solicitation
 
UDP Statistics
  528301 received, 75777 sent, 1091 no port, 0 input errors, 0 no data
 
TCP Statistics
  0 active opens, 0 passive opens, 0 failed attempts
  1662 active resets, 0 passive resets, 0 input errors
  1662 in segments, 0 out segments, 0 retransmission
  0 in connections requests, 4 out connections requests, 0 connections established,
  0 acks, 0  duplicate acks, 0 duplicate bytes
  0 bad checksum, 0 no checksum, 0 invalid header length
  0 illegal TCP MSS option length, 0 illegal option, 0 minimum TCP header, 0 invalid segment
History
Release version Command history
08.0.95 The command output was modified to show more detailed information for TCP and User Datagram Protocol (UDP) statistics.