12-16

User

Guide

for

the

Cisco

Application

Networking

Manager

5.2

OL-26572-01

Chapter

12

Configuring

Network

Access

Configuring

Virtual

Context

VLAN

Interfaces

Retransmission

time

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

By

default,

the

advertised

retransmission

time

is

0

milliseconds.

To

configure

the

retransmission

time,

enter

an

integer

from

0

to

3600000.

DAD

Attempts

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

By

default,

the

number

of

attempts

for

sending

duplicate

address

detection

(DAD)

is

1.

To

configure

the

DAD

attempts,

enter

an

integer

from

0

to

255.

RA

Hop

Li

mit

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

By

default,

the

hop

limit

that

neighbors

should

use

when

originating

IPv6

packets

is

64.

To

configure

t

he

hop

limit

in

the

IPv6

header,

enter

an

integer

from

0

to

255.

RA

Lifetime

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

The

router

advertisement

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

from

0

to

9000.

RA

Interval

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

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

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

Check

box

to

instruct

the

ACE

to

not

respond

to

RS

messages.

The

ACE

also

stops

periodic

unsolicited

RAs

th

at

i

t

s

ends

at

t

he

RA

in

terval.

By

default,

the

ACE

automatically

responds

to

RS

messages

that

it

receives

from

neighbors

with

RA

messages

that

include,

for

example,

the

network

prefix.

You

can

instruct

the

ACE

to

not

respond

to

RS

messages.

Uncheck

the

check

box

to

reset

the

default

behavior

of

automatically

responding

to

RS

messages.

IPv6

Router

Prefix

Advertisement

Field

that

appears

only

for

ACE

module

and

ACE

appliance

software

Version

A5(1.0)

or

later.

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

Ad

vertisements

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.

Table

12-1

VLAN

Interface

Attributes

(continued)

Field

Description