1- and 2-Port Fast Ethernet High-Speed WAN Interface Cards
Cisco 1- and 2-Port Fast Ethernet HWICs
2
OL-12851-01
Fast Ethernet HWICs Restrictions
The following features are not supported on the Fast Ethernet HWICs:
• Cisco Interswitch Link (ISL) tagging
• Connectivity fault management (CFM)
• Flow control
• Online insertion and removal (OIR)
Fast Ethernet HWICs Supported Platforms
Install the Fast Ethernet HWICs in the following Cisco routers:
• Cisco 1841 integrated services router
• Cisco 2800 series integrated services routers
• Cisco 3800 series integrated services routers
Note Insert Fast Ethernet HWICs into HWIC slots only. They do not fit into WIC/VIC slots.
Table 32 shows the maxmum number of each type of HWIC that may be installed, the slot locations, and
slot numbering for each platform.
Table 32 Supported Platforms for the Fast Ethernet HWICs
Chassis HWIC-1FE HWIC-2FE Slot Locations HWIC slots
Cisco 1841 1 may be installed — See Figure 7 on
page 4
Slot 0 and slot 1 for
HWIC-1FE only
Cisco 2801 1 to 2 may be
installed
—See Figure 9 on
page 5
Slot 1 and slot 3
support HWICs
Cisco 2811 1 to 2 may be
installed
—See Figure 10 on
page 6
Slot 0 to slot 3
Cisco 2821 1 to 2 may be
installed
—See Figure 10 on
page 6
Slot 0 to slot 3
Cisco 2851 1 to 2 may be
installed
—See Figure 10 on
page 6
Slot 0 to slot 3
Cisco 3825 1 to 4 may be
installed
1 to 2 may be
installed
See Figure 13 on
page 7
Slot 0 to slot 3
Cisco 3845 1 to 4 may be
installed
1 to 2 may be
installed
See Figure 13 on
page 7
Slot 0 to slot 3
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