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Connecting 1- and 2-Port Fast Ethernet High-Speed WAN Interface Cards to the Network
Cisco 1- and 2-Port Fast Ethernet HWICs
2
OL-12851-01
• 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 1 shows the maxmum number of each type of HWIC that may be installed, the slot locations, and
slot numbering for each platform.
For information about HWIC slot locations on each router, see the “Interface Card Slot Locations and
Numbering on Cisco Access Routers” section of the Cisco Interface Cards for Cisco Access Routers
guide located at:
http://www.cisco.com/en/US/docs/routers/access/interfaces/ic/hardware/installation/guide/oview_ic.ht
ml
Fast Ethernet HWICs Port Numbering
Port numbers identify the interfaces on the modules and interface cards installed in the router. Modules
and interface cards are identified by three digits: slot number/subslot number/port number.
For example, HWIC port 0 in HWIC subslot 1 of router slot 0 is represented as:
interface FastEthernet 0/1/0
Table 1 Supported Platforms for Fast Ethernet HWICs
Chassis HWIC-1FE HWIC-2FE HWIC slots
Cisco 1841 1 may be installed 1 may be installed
1
1. Requires Cisco IOS Release 12.4(24)T or later.
Slot 0 and slot 1
Cisco 2801 1 to 2 may be installed 1 may be installed
1
Slot 1 and slot 3 support HWICs
Cisco 2811 1 to 2 may be installed 1 may be installed
1
Slot 0 to slot 3
Cisco 2821 1 to 2 may be installed 1 may be installed
1
Slot 0 to slot 3
Cisco 2851 1 to 2 may be installed 1 may be installed
1
Slot 0 to slot 3
Cisco 3825 1 to 4 may be installed 1 to 2 may be installed Slot 0 to slot 3
Cisco 3845 1 to 4 may be installed 1 to 2 may be installed Slot 0 to slot 3