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Cisco Wide Area Application Engine 511 and 611 Hardware Installation Guide
OL-7220-02
Chapter 1 Introducing the Cisco Wide Area Application Engine
Hardware Features
Two WAEs with inline network adapters can also be installed back-to-back in a
serial fashion between two network devices for failover purposes. In this type of
serial cluster configuration, if one WAE fails or becomes overloaded, the other
WAE can provide optimization. (See Figure 1-18.)
Note When you connect two WAE inline appliances to each other in serial fashion,
always use a crossover cable between the two WAEs. (See Figure 1-19.)
Figure 1-17 Cabling for a Single Inline WAE with Redundant WAN Connections
1 Connection: Management
Gigabit Ethernet: 1/0
Cable type: Straight-through (recommended)
2 Connection: WAE to LAN switch
(using InlineGroup 1/0)
Fast Ethernet: LAN0 (InlinePort 1/0/lan)
Cable type: Straight-through
3 Connection: WAE to LAN switch
(using InlineGroup 1/1)
Fast Ethernet: LAN1 (InlinePort 1/1/lan)
Cable type: Straight-through
4 Connection: WAE to WAN router A
(using InlineGroup 1/0)
Fast Ethernet: WAN0 (InlinePort 1/0/wan)
Cable type: Crossover
5 Connection: WAE to WAN router B
(using InlineGroup 1/1)
Fast Ethernet: WAN1 (InlinePort 1/1/wan)
Cable type: Crossover
MGMT
240087
WAE
WAN
WAN
Router A
Router B
LAN switch
1
4
5
2
3