Cisco Catalyst 4948 User Manual

4-4: EtherChannel 62
Configuration 63
EtherChannel Example 67
Displaying Information About EtherChannels 68
Chapter 5 Layer 3 Interface Configuration 71
5-1: Layer 3 Switching 71
5-2: Layer 3 Ethernet Interfaces 72
Configuration 72
Verifying the Configuration 73
Feature Example 73
5-3: Layer 3 EtherChannels 74
Configuration 74
Verifying the Channel 76
Feature Example 77
5-4: WAN Interfaces 78
Configuration 78
Configuring an Enhanced FlexWAN Interface 78
Configuring a SPA Interface Processor (SIP) / Shared Port Adapter (SPA)
WAN Interface 79
Configuring a Packet-over-SONET Interface 80
Verifying Configurations 81
Feature Example 81
5-5: Layer 3 Virtual Interfaces 82
Configuring a VLAN Interface 82
Configuring Subinterfaces 83
Verifying Configurations 84
Feature Example 84
5-6: Routing Tables 85
Configuration 85
Verifying Routes 86
Chapter 6 VLANs and Trunking 87
6-1: VLAN Configuration 87
Creation of an Ethernet VLAN 88
Feature Example 90
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Cisco Catalyst 4948 Specifications

General

Switching Capacity	136 Gbps
Forwarding Rate	102 Mpps
Rack Units	1U
MAC Address Table Size	32, 000 entries
Authentication Method	RADIUS, TACACS+
RAM	256 MB
Flash Memory	64 MB
Power Device	Internal power supply
Voltage Required	100-240 VAC
Weight	16.5 lbs
Operating Humidity	10% to 85% non-condensing
Ports	48 x 10/100/1000
Power Supply	Internal
Layer Support	Layer 3
Jumbo Frame Support	Yes (up to 9216 bytes)
Routing Protocol	RIP, OSPF, EIGRP, BGP
Remote Management Protocol	SNMP, Telnet, SSH
Features	VLAN support, QoS
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.1Q, IEEE 802.1p
Operating Temperature	32 °F to 104 °F (0 °C to 40 °C)