Chapter 32 IPv6 Support on the Cisco ASR 901 Router

How to Configure IPv6 Support on the Cisco ASR 901 Router

Refresh-In took 0 seconds

 

 

 

 

 

Sent

Rcvd

Refresh activity:

----

----

 

Refresh Start-of-RIB

0

1

 

Refresh End-of-RIB

0

1

Address tracking is

disabled

 

 

Connections established 1; dropped 0

 

Last reset never

 

 

 

Transport(tcp) path-mtu-discovery is enabled

Graceful-Restart is

disabled

 

 

Connection state is ESTAB, I/O status: 1, unread input bytes: 0

Connection is ECN Disabled

 

 

Mininum incoming TTL 0, Outgoing

TTL 1

 

Local host: 2001:101::1, Local port: 57438

 

Foreign host: 2001:101::2, Foreign port: 179

 

Connection tableid (VRF): 0

 

 

Enqueued packets for retransmit: 0, input: 0

mis-ordered: 0 (0 bytes)

Event Timers (current

time is 0x4853F8):

 

Timer

Starts

Wakeups

 

Next

Retrans

83

0

 

0x0

TimeWait

0

0

 

0x0

AckHold

83

81

 

0x0

SendWnd

0

0

 

0x0

KeepAlive

0

0

 

0x0

GiveUp

0

0

 

0x0

PmtuAger

10940

10939

0x485427

DeadWait

0

0

 

0x0

Linger

0

0

 

0x0

iss:

338855921

snduna:

338858128

sndnxt: 338858128

sndwnd:

15636

irs:

816933509

rcvnxt:

816935775

rcvwnd:

15571

delrcvwnd:

813

SRTT:

300 ms, RTTO: 303 ms, RTV: 3 ms, KRTT:

0 ms

 

 

minRTT: 0 ms, maxRTT: 300 ms, ACK hold: 200 ms

Status Flags: none

Option Flags: higher precendence, nagle, path mtu capable

Datagrams (max data segment is 1440 bytes):

Rcvd: 163 (out of order: 0), with data: 86, total data bytes: 2265

Sent: 167 (retransmit: 0 fastretransmit: 0),with data: 167, total data bytes: 8894

Verifying BFD for IPv6 Configuration

To verify the IPv6 Addressing Routing information, use the show bfd neighbors command in privileged EXEC mode, as shown in the example.

Router# show bfd neighbors

 

IPv4 Sessions

 

 

 

 

 

 

 

 

NeighAddr

LD/RD

RH/RS

State

Int

101.101.101.2

6/5

Up

Up

Vl101

103.103.103.2

7/6

Up

Up

Vl103

150.150.150.2

2/1

Up

Up

Vl150

 

IPv6 Sessions

 

 

 

 

 

 

 

 

NeighAddr

LD/RD

RH/RS

State

Int

2001:10::2

16/14

Up

Up

Vl10

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OL-23826-09

 

 

 

 

 

32-37

 

 

 

 

 

 

 

 

Page 641
Image 641
Cisco Systems A9014CFD manual Verifying BFD for IPv6 Configuration, 32-37, Router# show bfd neighbors