TABLE 40 Specic IPv6 TCP connection elds (continued)
Field Description
Send: remote received window = number The size of the remote received window.
Send: total unacknowledged sequence number = number The total number of unacknowledged sequence numbers sent by the local
router.
Send: total used buers number The total number of buers used by the local router in setting up the TCP
connection.
Receive: initial incoming sequence number = number The initial incoming sequence number received by the local router.
Receive: expected incoming sequence number = number The incoming sequence number expected by the local router.
Receive: received window = number The size of the local router’s receive window.
Receive: bytes in receive queue = number The number of bytes in the local router’s receive queue.
Receive: congestion window = number The size of the local router’s receive congestion window.
Displaying IPv6 trac statistics
To display IPv6 trac statistics, enter the following command at any CLI level.
device#show ipv6 traffic
IP6 Statistics
36947 received, 66818 sent, 0 forwarded, 36867 delivered, 0 rawout
0 bad vers, 23 bad scope, 0 bad options, 0 too many hdr
0 no route, 0 can not forward, 0 redirect sent
0 frag recv, 0 frag dropped, 0 frag timeout, 0 frag overflow
0 reassembled, 0 fragmented, 0 ofragments, 0 can not frag
0 too short, 0 too small, 11 not member
0 no buffer, 66819 allocated, 21769 freed
0 forward cache hit, 46 forward cache miss
ICMP6 Statistics
Received:
0 dest unreach, 0 pkt too big, 0 time exceeded, 0 param prob
2 echo req, 1 echo reply, 0 mem query, 0 mem report, 0 mem red
0 router soli, 2393 router adv, 106 nei soli, 3700 nei adv, 0 redirect
0 bad code, 0 too short, 0 bad checksum, 0 bad len
0 reflect, 0 nd toomany opt, 0 badhopcount
Sent:
0 dest unreach, 0 pkt too big, 0 time exceeded, 0 param prob
1 echo req, 2 echo reply, 0 mem query, 0 mem report, 0 mem red
0 router soli, 2423 router adv, 3754 nei soli, 102 nei adv, 0 redirect
0 error, 0 can not send error, 0 too freq
Sent Errors:
0 unreach no route, 0 admin, 0 beyond scope, 0 address, 0 no port
0 pkt too big, 0 time exceed transit, 0 time exceed reassembly
0 param problem header, 0 nextheader, 0 option, 0 redirect, 0 unknown
UDP Statistics
470 received, 7851 sent, 6 no port, 0 input errors
TCP Statistics
57913 active opens, 0 passive opens, 57882 failed attempts
159 active resets, 0 passive resets, 0 input errors
565189 in segments, 618152 out segments, 171337 retransmission
Syntax: show ipv6
trac
This show ipv6 trac command displays the following information.
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.
Displaying global IPv6 information
FastIron Ethernet Switch Layer 3 Routing
188 53-1003627-04
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