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CCIE Lab Tasks

Instructions:

Answer 23 questions in 15 minutes.
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Match each statement with the correct term.
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This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Where in documentation is BGP regular expressions.
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Negotiation conditions - Show interface switchport.
The neighbor remove-private-as command.
Terminal services / Appendix / Regexp.

2. Move interface encapsulation - interface ip access-group - hostname and show run to level 2
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
The neighbor remove-private-as command.
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a

3. How do you configure a Multicast RP candidate?
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20
Transport preferred none
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i

4. How do you prevent a router from switching to the shortest path tree once the data flow has begun. Where is the documentation?
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI
Global Config - ip pim autorp listener
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g

5. How do you filter administratively scoped groups from transiting a router?
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Global Config - ip pim autorp listener
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g
Priority - Link Cost - Router ID - Port Cost

6. How do you prevent the console line from performing DNS resolution
Transport preferred none
Negotiation conditions - Show interface switchport.
Global Config - ip pim autorp listener
Terminal services / Appendix / Regexp.

7. How do you change spanning tree path
Broadband Access - Aggregation
Negotiation conditions - Show interface switchport.
Priority - Link Cost - Router ID - Port Cost
It will show the IP addresses on the device with the subnet mask

8. Configure a reflexive access list to permit traffic out interface Fa0/0 that allows all tcp traffic.
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
The neighbor remove-private-as command.
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20

9. How do you configure a Multicast RP mapping agent?
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
Priority - Link Cost - Router ID - Port Cost
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a

10. How do you filter autorp multicast groups?

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11. List the BGP decision process
It will show the IP addresses on the device with the subnet mask
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID

12. Define the neighbor matrix for OSPF network types. Which are unicast vs. multicast - and which needs the explicit neighbor commands.
...
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-discovery loopback 0 scope 20
Global Config - ip pim autorp listener

13. How do you affect OSPF path selection
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Change interface BW - Change Neighbor Cost - Change Interface ip ospf cost - Change OSPF process reference BW (all routers)
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g

14. What does the command 'show protocols' do
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
It will show the IP addresses on the device with the subnet mask
Global Config - ip pim autorp listener
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer

15. What are the for control plane interfaces or modes?
Control-plane transit - control-plane host - control-plane cef-exception
Interface config - int looopback 0 - ip pim sparse-dense-mode - Global Config - ip pim send-rp-announce loopback 0 scope 20
Global Config - ip pim autorp listener
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs

16. How do you stop private AS numbers from being advertised
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
The neighbor remove-private-as command.
It will show the IP addresses on the device with the subnet mask
Control-plane transit - control-plane host - control-plane cef-exception

17. How can you match on closed ports on the router for the purpose of filtering
Transport preferred none
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
The neighbor remove-private-as command.

18. How do you configure autorp when in sparse mode only?
Global Config - ip pim autorp listener
Negotiation conditions - Show interface switchport.
Control-plane transit - control-plane host - control-plane cef-exception
Terminal services / Appendix / Regexp.

19. What is the process for configuring Trunking and VTP. How do we check our work.
Multicast Boundary:On upstream router: Create Access List of group to deny - remember to allow others - access-list 51 deny 239.0.0.0 0.255.255.255 - access-list 51 permit 224.0.0.0 5.255.255.255 - Configure the boundary on the interface facing downs
Negotiation conditions - Show interface switchport.
Class-map type port-filter - policy-map type port-filter - service-policy type port-filter
It will show the IP addresses on the device with the subnet mask

20. Where is PPPoE in the documentation
Broadband Access - Aggregation
Privilege exec level 2 show run - privilege configure level 2 hostname - privilege configure level 2 interface - privilege interface all level 2 encapsulation - privilege interface level 2 ip access-group
It will show the IP addresses on the device with the subnet mask
Control-plane transit - control-plane host - control-plane cef-exception

21. How can you pass traffic sourced from the router that will not be reflected by the reflexive access list?
Spf-threshold command: Global Config:Define the group with an access list: access-list 52 permit 239.0.0.0 0.255.255.255 - Change the shortest path tree threshold - ip pim spt-threshold infinity group-list 52 - This is documented under: Optimizing PI
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
You can policy route the traffic through the Loopback interface and then it will hit the reflexive access list. Create access list to match traffic. - ip access-list extended ORIGINATED - permit icmp any any - permit tcp any any eq telnet - Create a
Broadband Access - Aggregation

22. How do you penalize flapping BGP routes? Verification?
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer
Router bgp100 - bgp dampening 15 500 3000 60 - (half life - re-use limit - suppress limit - maximum suppress time)
Highest Weight - Highest Local Pref - Locally originated - Shortest AS-Path - Lowest origin type (IGP - EGP - Incomplete) - Lowest MED - EBGP over IBGP - Lowest IGP Metric - Oldest Route - Lowest Router ID
Negotiation conditions - Show interface switchport.

23. What is the command to configure the CAM table timers for Vlan 88 to expire in 10 minutes. What is the verification command.
On the mapping agent: Create an access list to define the RP's - access-list 25 permit 150.1.3.3 - Create and access list to define the groups - access-list 26 permit 239.0.0.0 0.255.255.255 - Apply the filter - ip pim rp-announce-filter rp-list 25 g
...
Global Config - Create reflexive access list: ip access-list extended OUTBOUND - permit tcp any any reflect REFLECTED - Create inbound access list that will evaluate reflected. - ip access-list extended INBOUND - evaluate REFLECTED - Apply to outer i
Mac address-table aging-timer 10 vlan 88 - show mac address-table aging-timer

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CCIE Lab Tasks

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