Cisco Catalyst 4948 User Manual

Chapter 4: Layer 2 Interface Configuration 69
Table 4-3 Switch Commands to Display EtherChannel Link Information
EtherChannel protocol used on each
module
show lacp [channel-group-number ] | {counters |
internal [detail] | neighbor [detail]} | [sys-id]
EtherChannel capabilities on a module
(exec) show interfaces capabilities
EtherChannel ID numbers
(exec) show etherchannel summary
EtherChannel load balancing
(exec) show etherchannel [channel-group] load-
balance
EtherChannel traffic utilization
(exec) show pagp [group-number] counters
(exec) show etherchannel [channel-group] {port-
channel | brief | detail | summary/port | load-balance
| protocol}
Further Reading
Refer to the following recommended sources for further information about the topics covered
in this chapter.
Ethernet
Charles Spurgeon’s Ethernet website: http://www.ethermanage.com/ethernet/ethernet.html.
Spurgeon, Charles. Ethernet: The Definitive Guide. O’Reilly and Associates, ISBN 1-56592-
660-9.
Gigabit Ethernet
The Gigabit Ethernet Alliance at http://www.gigabit-ethernet.org.
The 10 Gigabit Ethernet Alliance: http://www.10gea.org.
IEEE P802.3ae 10Gb/s Ethernet Task Force: http://grouper.ieee.org/groups/802/3/index.html.
EtherChannel
Understanding EtherChannel Load Balancing and Redundancy on Catalyst Switches:
http://www.tinyurl.com/yw2lw.
Campus Network for High Availability Design Guide: http://www.tinyurl.com/d3e6dj.
IEEE P802.3ad Link Aggregation Task Force: http://www.ieee802.org/3/ad/index.html.
Section 4-4

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)