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** Cisco Routers Modules **
01) Model: WIC-4ESW
02) sale
03) used
Cisco 1800 Series Integrated Services Routers: Cisco 1841 ¶ó¿ìÅÍ(¸ðµâÇü)
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WIC-4ESW Card
This section describes the 4-port 10/100BASE-TX Ethernet switch interface card (WIC-4ESW) and how to connect it to a network.
The following subsections are included:
WIC-4ESW Interface Card Port Numbering
WIC-4ESW Interface Card Processor Requirements
WIC-4ESW Interface Card Supported Standards
WIC-4ESW Interface Card Platform Limitations
The WIC-4ESW interface card is a Layer 2 Ethernet switch with Layer 3 routing capability. (Layer 3 routing is forwarded to the host, and is not actually performed at the switch.) The ports autosense the speed (10 Mbps or 100 Mbps) and duplex mode (full- or half-duplex) of the device to which it is connected and then operates at the same speed and in the same duplex mode.
Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, connect the 4-port 10/100BASE-TX Ethernet switch interface card (WIC-4ESW) only to intra-building or non-exposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be grounded at both ends.
Note The show vtp status command shows the maximum number of VLANs supported by the router. Although the router supports more VLANs, the WIC-4ESW interface card supports a maximum of 16 VLANs.
There are no new or modified commands for use with the WIC-4ESW interface card. All commands used with the switch are documented in the Cisco IOS command reference publications.
Figure 107 shows the WIC-4ESW interface card.
Figure 107 WIC-4ESW Interface Card
WIC-4ESW Interface Card LED
The LNK (physical layer link) LED is on when the Cisco IOS software recognizes the switch and the connection is up. The ACT (activity) LED indicates that data is being transmitted or received on the slot.
Additional information on the features of the card is provided in the 4-Port Ethernet Switch Configuration Notes for the Cisco 1700 Series Routers document.
WIC-4ESW Interface Card Port Numbering
Port numbers identify the interfaces on the modules and interface cards installed in the router. Modules and interface cards are identified by interface type, slot number, a forward slash ,and the port number. For example, F0/0 denotes the first Fast Ethernet port of the interface card, installed in slot 0 of the router.
The first port on the WIC-4ESW is always identified as "1." For the Cisco 1721 router, the ports are referred to as FastEthernet1 to FastEthernet4, no matter in what slot the card is installed.
On the Cisco 1751 router and the Cisco 1760 router, the Fast Ethernet interfaces on WIC-4ESW are addressed as F/1 through F/4, depending in what slot the card is installed. (In this document, the ports will be referred to as F1 through F4.)
WIC-4ESW Interface Card Processor Requirements
The MPC 860 microprocessor (revision B5 or later) is required for using the Cisco WIC-4ESW card.
WIC-4ESW Interface Card Supported Standards
The WIC-4ESW interface card supports IEEE 802.3 Ethernet standards and 100BASE-T Category 3, 4, and 5 UTP cable distances up to 328 feet (100 meters).
The following standards are also supported
WIC-4ESW Interface Card Platform Limitations
The following features are not supported on the WIC-4ESW interface card:
•Virtual Local Area Network (VLAN) trunking protocols (server and client modes, and transparent mode v2)
•Spanning Tree Protocol (STP) backbone fast
•STP portfast Bridge Protocol Data Unit (BPDU) guard
•STP uplink fast
•STP Root Guard
•STP Unidirectional Link Detection (UDLD)
•Port security
•Protected Port
•802.1x port-based authentication
•Storm control
•Switched Port Analyzer (SPAN)
•Internet Group Management Protocol (IGMP) Snooping
•802.1P priority override
•MAC address table commands
•EtherChannel
•Enable or disable per port based on unknown unicast or multicast flooding
•Multicast groups
•IP multicast support
•Cisco Group Management Protocol (CGMP) client, CGMP fast-leave
•Dynamic access ports
•Dynamic trunk protocol
•Dynamic VLANs
•Voice VLANs
•General Attribute Registration Protocol (GARP), GARP Multicast Registration Protocol (GMRP), and GARP VLAN Registration Protocol (GVRP)
•Cisco Inter-Switch Link (ISL) tagging (the chip does not support ISL)
•Layer 3 on-board switching
•Monitoring of VLANs
•Multi-VLAN ports network port
•Shared STP instances
•VLAN-based SPAN
•VLAN Query Protocol (VQP)
•VTP pruning protocol
•Web-based management interface
•Remote Monitoring (RMON)
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