Installation guide

11-9
Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance
OL-26645-02
Chapter 11 Configuring High Availability
Configuring High Availability Peers
Assumption
• At least one fault-tolerant VLAN has been configured.
Note A fault-tolerant VLAN cannot be used for other network traffic.
Procedure
Step 1 Choose Config > Virtual Contexts > High Availability (HA) > Setup. The ACE HA Management
window appears with two columns: One for the selected ACE appliance and one for a peer ACE
appliance.
Step 2 Click Edit, and then enter the information for the primary appliance and the peer appliance as described
in Table 11-2.
Table 11-2 ACE High Availability Management Configuration Attributes
Field This Appliance Peer Appliance
VLAN Specify a fault-tolerant VLAN to be used
for this high availability pair. Valid
entries are integers from 2 to 4094.
Note This VLAN cannot be used for
other network traffic.
Not applicable.
Interface Select the interface (specified by
slot_number/port_number where
slot_number is the physical slot on the
ACE appliance, and port_number is the
physical Ethernet data port on the ACE
appliance) or the port channel.
Not applicable.
IP Address Enter an IP address for the fault-tolerant
VLAN in dotted-decimal format, such as
192.168.11.2.
Enter the IP address of the peer
interface in dotted-decimal format so
that the peer appliance can
communicate on the fault-tolerant
VLAN.
Netmask Select the subnet mask that is to be used
for the fault-tolerant VLAN.
Not applicable.
Management IP
Address
Enter the IP address for the ACE. Enter the Management IP Address of
the peer appliance. When you enter
this information, you can click on the
HA Peer hyperlink in the Config >
Virtual Contexts screen.
Query VLAN Select the VLAN that the standby
appliance is to use to determine whether
the active appliance is down or if there is
a connectivity problem with the
fault-tolerant VLAN.
Not applicable.