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Installing the Cisco WAE Inline Network Adapter
OL-12480-03
Cabling
• When you are directly connecting two network devices that are different, such as a switch and router,
use a straight-through cable.
Note Because the inline network adapter has an internal crossover connection that becomes active
when the InlineGroup interface is placed in mechanical bypass mode, you must decide which
cable you would use to connect the two network devices directly, and then you must install the
other cable type (on one side, usually the WAN side of the inline appliance) instead.
Table 4 shows the cable requirements for WAE and non-WAE connections when you are using Fast
Ethernet end to end.
Step 2 Connect Fast Ethernet ports on both the LAN and the WAN sides of the WAE inline appliance by using
the following cable types:
• On the LAN side of the connection, use a straight-through cable between the WAE inline appliance
and the network device.
• On the WAN side of the connection, use the cable that is different from the cable that you would use
to connect the two network devices directly (as determined in Step 1).
For example, if you are connecting a router and a switch (two different devices) through the WAE
inline appliance, use a straight-through cable on the LAN side of the connection and use a crossover
cable on the WAN side of the connection. (If you were connecting the two different devices directly,
you would use a straight-through cable, so use the crossover cable instead.)
If you are connecting two switches (or two similar devices), use straight-through cables on both the
LAN and the WAN sides of the WAE inline appliance.
Figure 20 through Figure 22 show which cables to use for the WAE LAN and WAN connections
between Fast Ethernet ports.
Table 4 Cable Requirements for WAE Connections Using Fast Ethernet
Connection Required Cable
Switch to switch (no WAE) Crossover
Switch to router (no WAE) Straight-through
Router to router (no WAE) Crossover
Switch to WAE and
WAE to Router
Straight-through
Crossover
Switch to WAE and
WAE to Switch
Straight-through
Straight-through
Router to WAE and
WAE to Router
Straight-through
Straight-through
WAE to WAE Crossover