[书籍] Cisco Express Forwarding (Cisco Press Networking Technology)[思科快速转发(平装)]
出版社:
Cisco Press
简介:
How?does?a?router?switch?a?packet??What?is?the?difference?between?routing?a?packet,?switching?a?frame,?and?packet?switching??What?is?the?Cisco??Express?Forwarding?(CEF)?feature?referred?to?in?Cisco?documentation?and?commonly?found?in?Cisco?IOS??commands??CEF?is?a?general?term?that?describes?the?mechanism?by?which?Cisco?routers?and?Catalyst??switches?packet-switch?(route)?frames.?CEF?is?found?in?almost?all?Cisco?routers?and?Catalyst?switches,?and?understanding?how?CEF?operates?can?improve?the?performance,?scalability,?and?efficiency?of?your?network. Cisco?Express?Forwarding?demystifies?the?internal?workings?of?Cisco?routers?and?switches,?making?it?easier?for?you?to?optimize?performance?and?troubleshoot?issues?that?arise?in?Cisco?network?environments.?This?book?addresses?common?misconceptions?about?CEF?and?packet?switching?across?various?platforms,?helping?you?to?improve?your?troubleshooting?skills?for?CEF-?and?non-CEF-related?problems. The?first?part?of?the?book?provides?an?overview?of?packet-switching?architectures?and?CEF?operation?and?advanced?features.?It?also?covers?the?enhanced?CEF?structure?and?general?troubleshooting.?The?second?part?of?the?book?provides?case?studies?that?focus?on?the?common?topics?that?have?been?problematic?for?customers?and?those?supporting?Cisco?networks. Full?of?practical?examples?and?configurations,?this?book?draws?on?years?of?experience?to?help?you?keep?your?Cisco?networks?running?efficiently. Nakia?Stringfield,?CCIE??No.?13451,?is?a?network?consulting?engineer?for?Advanced?Services?at?Cisco,?supporting?top?financial?customers?with?network?design?and?applying?best?practices.?She?was?formerly?a?senior?customer?support?engineer?for?the?Routing?Protocols?Technical?Assistance?Center?(TAC)?team?troubleshooting?issues?related?to?CEF?and?routing?protocols.?Nakia?has?been?with?Cisco?for?more?than?six?years,?previously?serving?as?a?technical?leader?for?the?Architecture?TAC?team. Russ?White,?CCIE?No.?2635,?is?a?Principle?Engineer?in?the?Routing?Protocol?Design?and?Architecture?team?at?Cisco.?He?is?a?member?of?the?IETF?Routing?Area?Directorate,?co-chair?of?the?Routing?Protocols?Security?Working?Group?in?the?IETF,?a?regular?speaker?at?Cisco?Networkers,?a?member?of?the?CCIE?Content?Advisory?Group,?and?the?coauthor?of?six?other?books?about?routing?and?routing?protocols,?including?Optimal?Routing?Design?from?Cisco?Press.?Russ?primarily?works?in?the?development?of?new?features?and?design?architectures?for?routing?protocols. Stacia?McKee?is?a?customer?support?engineer?and?technical?leader?of?the?Routing?Protocols?Technical?Assistance?Center?(TAC)?team.?This?team?focuses?on?providing?post-sales?support?of?IP?routing?protocols,?MPLS,?QoS,?IP?multicast,?and?many?other?Layer?3?technologies.?Stacia?has?been?with?Cisco?for?more?than?six?years,?previously?serving?as?a?technical?leader?of?the?Architecture?TAC?team?and?a?member?of?the?WAN/Access?TAC?team. Learn?the?key?features?of?packet-switching?architectures Understand?the?basics?of?the?CEF?architecture?and?operation Examine?the?enhanced?CEF?structure,?which?improves?scalability Learn?how?to?troubleshoot?in?software-switching?environments Understand?the?effect?of?CEF?on?a?Cisco?Catalyst?6500?Supervisor?720 Configure?and?troubleshoot?load?sharing?with?CEF Evaluate?the?effect?of?CEF?in?an?MPLS?VPN?environment Review?CEF?design?considerations?that?impact?scalability
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