show ipv6 tcp traffic
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- Last UpdatedAug 13, 2021
- 2 minutes read
Displays IPv6 Transmission Control Protocol (TCP) traffic statistics.
User EXEC mode
The show ipv6 tcp traffic command displays the following information:
Output field | Description |
---|---|
active opens |
The number of TCP connections opened by this device by sending a TCP SYN to another device. |
passive opens |
The number of TCP connections opened by this device in response to connection requests (TCP SYNs) received from other devices. |
failed attempts |
This information is used by RUCKUS customer support. |
active resets |
The number of TCP connections this device reset by sending a TCP RESET message to the device at the other end of the connection. |
passive resets |
The number of TCP connections this device reset because the device at the other end of the connection sent a TCP RESET message. |
input errors |
This information is used by RUCKUS customer support. |
in segments |
The number of TCP segments received by the device. |
out segments |
The number of TCP segments sent by the device. |
retransmission |
The number of segments that this device 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 connection 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 number. |
bad checksum |
The total number of TCP packets received with bad checksum. |
no checksum |
The total number of TCP packets received with no checksum. |
invalid header length |
The total number of TCP packet 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 for 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. |
The following is sample output from the show ipv6 tcp traffic command.
device> show ipv6 tcp traffic
TCP Statistics
0 current active tcbs, 2 tcbs allocated, 0 tcbs freed 0 tcbs protected
0 active opens, 0 passive opens, 0 failed attempts
0 active resets, 0 passive resets, 0 input errors
0 in segments, 0 out segments, 0 retransmission
0 in connections requests, 2 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
Release version | Command history |
---|---|
08.0.95 | The command output was enhanced to show more detailed information. |