12-24

User

Guide

for

the

Cisco

Application

Networking

Manager

5.2

OL-26572-01

Chapter

12

Configuring

Network

Access

Configuring

Virtual

Context

BVI

Interfaces

Field

RA

Lifetime

The

RA

lifetime

is

the

length

of

time

that

neighboring

nodes

should

consider

the

ACE

as

the

default

router

before

they

send

RS

messages

again.

By

default,

this

length

of

time

is

1800

seconds

(30

minutes).

To

configure

the

RA

lifetime,

enter

an

integer

fr

om

0

t

o

9000.

RA

Interval

By

default,

the

rate

at

which

the

ACE

sends

RA

messages

is

600

seconds.

To

configure

the

rate,

enter

an

integer

from

4

to

1800.

Suppress

RA

By

default,

the

ACE

automatically

responds

to

RS

messages

that

it

receives

from

neighbors

with

RA

messages

that

include,

for

example,

the

network

pr

efix.

You

can

i

nstruct

the

ACE

to

not

respond

to

RS

messages.

Check

the

check

box

to

instruct

the

ACE

to

not

respond

to

RS

me

ssages.

Clear

the

check

box

to

reset

the

default

behavior

of

automatically

responding

to

RS

messages.

IPv6

Router

Advertisement

Settings

Click

the

Add

button

to

configure

the

IPv6

prefixes

that

the

ACE

advertises

in

RA

messages

on

the

local

link.

IPv6

Address/Prefix

Length

To

configure

IPv6

address

advertised

in

the

RA

messages,

enter

a

complete

IPv6

address

in

the

first

field.

In

the

second

field

after

the

/,

enter

the

prefix

length

to

specify

how

many

of

the

most

significant

bits

(MSBs)

are

used

for

the

network

identifier.

No

Advertisements

Check

the

check

box

to

indicate

that

the

route

prefix

is

not

advertised.

Clear

the

check

box

to

indicate

that

the

route

prefix

is

advertised.

Lifetime

Configure

the

prefix

lifetime

attributes

as

follows:

•

Lifetime

Duration:

–

Valid

Lifetime—By

default,

the

prefix

lifetime

is

2592000

seconds

(30

days).

To

configure

the

prefix

lifetime

in

seconds,

enter

an

integer

from

0

to

2147183647.

Select

Infinite

to

indicate

that

the

prefix

never

expires.

–

Preferred

Li

fetime—By

default,

t

he

prefix

l

ifetime

i

s

604800

seconds

(10

days).To

configure

how

long

an

IPv6

address

remains

preferred

in

seconds,

enter

an

integer

from

0

to

2147183647.

This

lifetime

must

not

exceed

the

Valid

Lifetime.

Select

Infinite

to

indicate

that

the

preferred

lifetime

never

expires.

•

Lifetime

Expiration

Date:

–

Valid

Month/Day/Year/Time—Valid

lifetime

expiration

date

and

time.

–

Preferred

Month/Day/Year/Time—Preferred

lifetime

expiration

date

and

time.

Use

the

drop-down

lists

to

select

a

day,

month,

and

year.

To

specify

the

time,

use

the

hh:mm

format.

Table

12-3

BVI

Interface

Attributes

(continued)

Description