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Cisco Certified Network Professional (CCNP) Routing and Switching Cert $22.49   Add to cart

Exam (elaborations)

Cisco Certified Network Professional (CCNP) Routing and Switching Cert

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  • Course
  • CCNA - Cisco Certified Network Associate
  • Institution
  • CCNA - Cisco Certified Network Associate

Cisco Certified Network Professional (CCNP) Routing and Switching Cert CDA - > Core Distribution Access Network Design - > -Predictable -Redundant -Documented -Easy to administer Access Layer - > -Edge switches -POE phone/WiFi -Stackable -Redundant capabilities Distribution La...

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  • November 9, 2024
  • 54
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CCNA - Cisco Certified Network Associate
  • CCNA - Cisco Certified Network Associate
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Cisco Certified Network Professional (CCNP) Routing
and Switching Cert
CDA - > Core

Distribution

Access

Network Design - > -Predictable

-Redundant

-Documented

-Easy to administer

Access Layer - > -Edge switches

-POE phone/WiFi

-Stackable

-Redundant capabilities

Distribution Layer - > -Aggregate access layer

-High density

-High bandwidth

-High L3 routing

-VLAN aggregation and routing

-Redundant capabilities to core

Core Layer - > -Very high L3 throughput

-HA techniques

-Minimize filtering

Redundancy Feasibility - > Budget

,-Money dictates the level of redundancy

Uptime requirements

-Is there a need for redundancy?

CAM and TCAM in ASICs - > -Hardware function via application-specific integrated
circuits

-L2 forwarding, L3 routing, and ACLs

-Content-addressable memory (CAM)

-Ternary content-addressable memory (TCAM)

-Compiled into hardware=Speed

CAM - > -L2 forwarding decisions

-MAC=index

MAC changed ports

-New entry added/old one deleted

Unknown MAC

-Flood

CAM-binary

-Exact MAC addresses

L3 on a Switch - > -MLS=Routing on a swtich

-NetFlow=Route once and switch many-legacy

-CEF=hardware based routing-very efficient

Clear CAM Table - > "clear mac address-table dynamic MAC-Address.

TCAM - > Three matching states

-True

-False

,-Anything

Multiple TCAMs with ACL and QoS

TCAM entries

-Values=Source/destination address

-Masks=Bit mask in ACL

-Result combinations=Actions-deny/permit/next-hop pointer

Feature manager compiles ACLs

Switching Database Manager - > Tunes partitions based on function

TCAM Utilization - > "Show platform tcam utilization"

Switching Database Manager Template - > -Adjusts TCAM values

-Based on use cases-routing vs. switching

-Switch=More CAM

-Routing=More FIB

View Memory Partitions - > "show sdm prefer"

Enter Interface Configuration Mode - > "interface type member/module/number

Interface Types - > -Ethernet

-FastEthernet

-GigabitEthernet

-TenGigabitEthernet

Interface Ranges - > "interface range type member/module/number"

Interface Descriptions - > "description TextDescription"

Show Interface Descriptions - > "show interface description"

Port Speed/Duplex - > Speed

, -Auto unless failure

-Speed auto=duplex auto

-Both sides auto or both sides static

Duplex

-Only full=1Gb fixed or 10Gb and greater

-Full/half/auto

-Misconfiguration=Connection drop, collisions, errors, CRC, and speed degradation

The Errdisabled State - > Occurs when a switch takes action and shuts down an
offending port

Error Disable Detection - > "[no] errdisable detect cause cause-name"

Errdisable - > -Port reset=Reboot or shutdown/no shutdown

-Syslog alert on errdisable

Errdisable Recovery - > -Automatically reenable port

-30 secs-24 hours

-Specific events

Display Interface Stats "show interface" - > -L1/L2 "up/up"

-Check errors

-Slow speed-check speed/duplex

-Half duplex-check CRC input errors

CDP - > -Auto info advertisement

-One way L2

-Sent every 60 seconds

Display CDP Neighbors - > "show cdp neighbor"

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