Nov
30

PLEASE NOTE: This is a partial list of potential configuration options for various hypothetical sections of the lab exam. Do not allow this list to constrain your own creative thinking when it is time to solve actual lab tasks! Please suggest additions using the comments feature.

3550
Load Balancing with STP
Option 1 – STP cost – use on the downstream device
Option 2 – Port Priority – use on the upstream device

OSPF
Advertising Masks for Loopbacks in OSPF
Option 1 – OSPF network command
Option 2 – Redistribute connected – Watch for Later Redistribution Issues
Option 3 – Area Range command

Troubleshooting Neighbor Relationships in OSPF over NBMA
Option 1 – OSPF network command
Option 2 – Hello timer manipulation

Connecting Area 0s in OSPF
Option 1 – Virtual link
Option 2 – GRE Tunnel – often needed when area between is a stub area
Option 3 - Redistr between different OSPF processes on the same router

Sending Unicast Updates in OSPF
Option 1 – neighbor command and change network type/hello interval

Load Balance in OSPF – change to equal cost
Option 1 – use the bandwidth command
Option 2 – ip ospf cost command

Introducing a Network into OSFP without Updating Neighbor’s LSDB
Option 1 – no-advertise
Option 2 – area filter-list

BACKUP

PPP

PPP Multilink
Bring up second link regardless of utilization
Option 1 – dialer load-threshold 1
Option 2 – ppp multilink links minimum 2 mandatory

MULTICAST

Assigning RP in Multicast
Option 1 – Static
Option 2 – Auto-RP
Option 3 – BSR Candidates

QOS

Setting the Frame-Relay DE Bit
Option 1 – DE List
Option 2 – Set action in policy map
Option 3 – Police action

Limiting Bandwidth in QoS for a Specific Host
Option 1 – Rate-Limiting
Option 2 – Policing
Option 3 – Shaping
Option 4 - Storm Control

EIGRP
Do Not Accept Prefixes – EIGRP
Option 1 - offset-list
Option 2 - distribute-list - can reference route-maps as well
Option 3 - administrative distance
Option 4 - metric maximum-hops

RIP

Changing RIP updates to Unicast
Option 1 – Passive interface and neighbor command
Option 2 – NAT the multicast address to a unicast

Do Not Accept Prefixes – RIP
Option 1 – Distribute list
Option 2 – Offset list
Option 3 – Administrative Distance
Option 4 - Mismatch on RIP version

BGP

Device in Transit Path Not Running BGP
Option 1 – GRE Tunnel
Option 2 – Redistribute BGP into IGP

BGP Traffic Flows
Manipulate outbound traffic flows
Option 1 – weight inbound
Option 2 – Local preference inbound
Option 3 - Next-Hop IGP metric manipulation

BGP Traffic Flows
Manipulate inbound traffic flows
Option 1 – AS-path prepend outbound
Option 2 – MED outbound
Option 3 - Origin manipulation
Option 4 - Router-ID manipulation

Advertise Prefix into BGP
Option 1 – network statement
Option 2 – Aggregate address statement
Option 3 – Redistribution
Option 4 – Conditional Route Injection
Option 5 – Default Route

REACHABILITY

Basic Reachability
Option 1 – NAT
Option 2 – Aggreagate
Option 3 – Static
Option 4 – Redistribution
Option 5 – Policy Routing
Option 6 – Default Route Generation
Option 7 – Default Route
Option 8 – Route-map
Option 9 – Tunnel

REDISTRIBUTION

Route failures/feedback caused by multiple mutual redistribution points...

Option 1 - Route tagging 
Option 2 - Adjusting administrative distance
Option 3 - Distribute-list filtering
Option 4 -Adjusting metrics or metric types

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