13-22
User
Guide

for

the

Cisco

Application

Networking

Manager

5.2
OL-26572-01
Chapter
13






Configuring

High

Availability
Switching
Over

an

ACE

High

Availability

Group
The
HA

Management

window

appears

at

the

top

of

the

content

area

and

the

HA

Groups

table

appears

at
the
bottom.
Step
2
Choose
an

ACE

HA

group

from

the

ACE

HA

Groups

table
and
click
Details.
The
show

ft

group

group_id

detail

CLI

command

output

appears.

For

details

on

the

di

splayed

output
fields,
see

either

the

Cisco

ACE

Module

Administration

Guide

or

the

Cisco

ACE

4700

Series

Appliance
Administration
Guide.
Step
3
Click
Update
Details

to

refresh

the

output
for
the
show
ft

group

group_id

detail

CLI

command.
Step
4
Click
Close
to

return

to

the

VLAN

Interfaces

table.
Switching
Over

an

ACE

High

Availability

Group
Note
This
functionality
is

available

for
only
Admin

contexts.
You
can

force

the

failover

of

a

high

availability

group.

You

may

need

to

force

a

switchover

when

you
want
to

make

a

particular

context

the

standby

(for

example,

for

maintenance

or

a

software

upgrade

on
the
currently

active

context).

If

the

standby

group

member

can

statefully

become

the

active

member

of
the
high

availability

group,

a

switchover

occurs.
Procedure
Step
1
Choose
Config
>

Devices

>

admin_context

>

High

Availability

(HA)

>

Setup.
The
HA

Management

window

appears

at

the

top

of

the

content

area

and

the

HA

Groups

table

appears

at
the
bottom.
Step
2
In
the

HA

Groups

table,

choose

the

group

that

you

want

to
switch
over,
and
click
Switchover.
The
st

andby

gr

oup

member

becomes

active,

while

the

previously

active

group

member

becomes

the
standby
member.
Note
You
must


manually

sync

the

st

andby

context

i

n

order

for

ANM

to

allow

subs

equent
configuration
changes.

Until

you

have

done

this,

the

standby

context

will

be

marked

out

of

sync.
See
the

“Synchronizing

Virtual

Context

Configurations

in

High

Availability

Mode”

section

on
page
13-31 .
Related
Topics

•
Understanding
ANM

High

Availability,
page
13-2

•
Configuring
ACE
High

Availability

Peers,

page
13-15

•
Configuring
ACE

High

Availability

Groups,

page
13-17

•
Synchronizing
SSL

Certificate

and

Key

Pairs

on

Both
ACE
Peers,

page
13-32

•
Tracking
ACE
VLAN

Interfaces

for

High

Availability,

page
13-24