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Cisco Wide Area Virtualization Engine 574 Hardware Installation Guide
OL-17738-01
Chapter 5 WAVE Inline Network Adapter
Inline Network Adapter Cabling Requirements
Some switches support automatic medium-dependent interface crossover
(MDIX). You can configure MDIX by using the
mdix auto
global
configuration
switch command. If your switch supports MDIX, you do not need to follow these
cabling rules because MDIX automatically adjusts transmit and receive pairs
when an incorrect cable type (crossover or straight-through) is installed on a
10/100 Fast Ethernet port. However, when you configure MDIX, you must also
configure the port to use autosense (not manual selection of speed/duplex).
Caution
If you are connecting to Fast Ethernet ports on both the LAN and the WAN sides
of the WAVE inline appliance, you must consider the types of devices that are
being connected, and you must use the correct cables. You must follow these
cabling instructions for the inline network adapter to work properly. (See
Table 5-3
. For illustrations and examples, see the
“Installation Scenarios and
Cabling Examples for Fast Ethernet Connections” section on page 5-8
.)
Table 5-2
Cable Requirements for WAVE Connections Using Gigabit
Ethernet
Connection
Required Cable
Switch to switch (no WAVE)
Crossover or straight-through
Switch to router (no WAVE)
Crossover or straight-through
Router to router (no WAVE)
Crossover or straight-through
Switch to WAVE and
WAVE to Router
Crossover or straight-through
Crossover or straight-through
Switch to WAVE and
WAVE to Switch
Crossover or straight-through
Crossover or straight-through
Router to WAVE and
WAVE to Router
Crossover or straight-through
Crossover or straight-through
WAVE to WAVE
Crossover or straight-through
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