EasyManuals Logo

Cisco Catalyst 4948 User Manual

Cisco Catalyst 4948
359 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #5 background imageLoading...
Page #5 background image
About the Authors
Steve McQuerry, CCIE No. 6108, is a technical solutions architect with Cisco Systems
focused on data center solutions. Steve works with enterprise customers in the
Midwestern Untied States to help them plan their data center architectures. Steve has
been an active member of the internetworking community since 1991 and has held multi-
ple certifications from Novell, Microsoft, and Cisco. Steve holds a BS degree in physics
from Eastern Kentucky University. Prior to joining Cisco, Steve worked as a consultant
for various companies and as an independent contractor with Global Knowledge, where
he taught and developed coursework around Cisco technologies and certifications.
David Jansen, CCIE No. 5952, is a vertical solutions architect for manufacturing for U.S
Enterprise Segment. David has more than 20 years experience in the information technol-
ogy industry. He has held multiple certifications from Microsoft, Novell, Checkpoint,
and Cisco. His focus is to work with Enterprise customers to address end to end manu-
facturing architectures. David has been with Cisco for 11 years, and working as a manu-
facturing architect for the past year has provided unique experiences helping customers
build architectural solutions for manufacturing connectivity. David holds a BSE degree in
computer science from the University of Michigan (Go Blue!) and an MA degree in adult
education from Central Michigan University.
David Hucaby, CCIE No. 4594, is a lead network engineer for the University of
Kentucky, where he works with healthcare networks based on the Cisco Catalyst, IP
Telephony, PIX, and VPN product lines. Prior to his current position, David was a senior
network consultant, where he provided design and implementation consulting, focusing
on Cisco-based VPN and IP Telephony solutions. David has BS and MS degrees in elec-
trical engineering from the University of Kentucky.
About the Technical Reviewers
Ron Fuller, CCIE No. 5851 (Routing and Switching/Storage Networking) is a technology
solution architect for Cisco specializing in data center architectures. He has 18 years of
experience in the industry and has held certifications from Novell, HP, Microsoft, ISC2,
SNIA, and Cisco. His focus is working with Enterprise customers to address their chal-
lenges with comprehensive end-to-end data center architectures. He lives in Ohio with his
wife and three wonderful children and enjoys travel and auto racing.
Don Johnston has more than 20 years of technical, management, consulting, and training
experience in networking. He is a CCSI and has developed well-received courses and labs.
As a consultant, Don successfully designed LANs and WANs, installed, provided trou-
bleshooting expertise, and managed technical staff for insurance brokerage, reinsurance,
and marketing companies. An instrument-rated pilot, Don and his family live in the
Chicago area.
iv Cisco LAN Switching Configuration Handbook
www.allitebooks.com

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Cisco Catalyst 4948 and is the answer not in the manual?

Cisco Catalyst 4948 Specifications

General IconGeneral
Switching Capacity136 Gbps
Forwarding Rate102 Mpps
Rack Units1U
MAC Address Table Size32, 000 entries
Authentication MethodRADIUS, TACACS+
RAM256 MB
Flash Memory64 MB
Power DeviceInternal power supply
Voltage Required100-240 VAC
Weight16.5 lbs
Operating Humidity10% to 85% non-condensing
Ports48 x 10/100/1000
Power SupplyInternal
Layer SupportLayer 3
Jumbo Frame SupportYes (up to 9216 bytes)
Routing ProtocolRIP, OSPF, EIGRP, BGP
Remote Management ProtocolSNMP, Telnet, SSH
FeaturesVLAN support, QoS
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.1Q, IEEE 802.1p
Operating Temperature32 °F to 104 °F (0 °C to 40 °C)

Related product manuals