2-6 - Troubleshoot the MPLS VPN Backbone Flashcards

1
Q

IOS-XR Command:
address-family vpnv4 unicast

A

Enters address-family configuration mode to configure a routing session using VPN Version 4 address prefixes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

IOS-XR Command:
area [area-id]

A

Enters OSPF area configuration mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

IOS-XR Command:
commit

A

Commits changes to the running configuration.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

IOS-XR Command:
configure terminal

A

Enters configuration mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

IOS-XR Command:
dead-interval

A

Sets the time period for which hello packets are not seen before neighbors declare the router down.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

IOS-XR Command:
debug tcp events

A

Enables the debugging of the TCP events.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

IOS-XR Command:
end

A

Returns to privileged EXEC mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

IOS-XR Command:
exit

A

Returns to the previous configuration mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

IOS-XR Command:
hello-interval

A

Specifies the interval between hello packets that the Cisco IOS Software sends on the interface.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

IOS-XR Command:
mpls ldp

A

Enters MPLS LDP configuration mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

IOS-XR Command:
neighbor [ip-address]

A

BGP configuration mode command. Activates the exchange of routes from the address family under the configuration for the specified neighbor.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

IOS-XR Command:
no distribute-list [distribute-list-name]

A

Removes the distribute lList.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

IOS-XR Command:
no redistribute static metric 1

A

Remove the redistribution of statics routes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

IOS-XR Command:
no router static address-family ipv4 unicast

A

Removes the static route.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

IOS-XR Command:
ping [dest_IP] source [interface]

A

Verifies connectivity between the source IP and destination IP.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

IOS-XR Command:
ping destination-ip

A

Verifies connectivity to the specified destination IP.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

IOS-XR Command:
ping mpls ipv4 [dest-address/mask] source [source-address]

A

Checks MPLS host reachability and network connectivity by specifying the destination type as an LDP IPv4 address.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

IOS-XR Command:
route-reflector-client

A

Configures the local router as the route reflector and the specified neighbor as one of its clients.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

IOS-XR Command:
router bgp as-number

A

Enters BGP configuration mode for the specified autonomous system number.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

IOS-XR Command:
router ospf [process-id]

A

Enters OSPF configuration mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

IOS-XR Command:
show access-lists [access-list-name]

A

Shows only the access control entries for the access list that you specify.

22
Q

IOS-XR Command:
show bgp neighbors

A

Displays information about BGP and TCP connections to neighbors.

23
Q

IOS-XR Command:
show bgp vpnv4 unicast summary

A

Displays a summary of VPNv4 routes from the BGP table.

24
Q

IOS-XR Command:
show mpls forwarding

A

To display the contents of the MPLS LFIB, use this command in EXEC mode.

25
IOS-XR Command: show mpls ldp binding
To display the contents of the LIB, use this command in EXEC command.
26
IOS-XR Command: show mpls ldp discovery
This command shows both link discovery and targeted discovery. When you specify no interface filter, this command generates a list of interfaces that run the LDP discovery process. This command also displays neighbor discovery information for the default routing domain.
27
IOS-XR Command: show mpls ldp interfaces
To display information about one or more interfaces that are configured for MPLS, use this command in EXEC mode.
28
IOS-XR Command: show mpls ldp neighbor
To display the status of LDP sessions, use this command in EXEC mode.
29
IOS-XR Command: show ospf interface [brief | interface]
Displays OSPF-related interface information.
30
IOS-XR Command: show ospf neighbor
Displays OSPF-neighbor information on a per-interface basis.
31
IOS-XR Command: show protocols [protocol]
Displays the parameters and the current state of the active routing protocol process.
32
IOS-XR Command: show route protocol [process-id]
Displays the current state of the routing table.
33
IOS-XR Command: show running-config router [protocol]
Displays the running configuration for a specific routing protocol.
34
IOS-XR Command: undebug all
Turns off all possible debugs.
35
IOS-XR Command: update-source [interface]
Tells the Cisco software to allow BGP sessions to use a specific operational interface for TCP connections.
36
IOS/IOS-XE Command: clear ip ospf process
Restarts the OSPF process.
37
IOS/IOS-XE Command: debug ip ospf adj
Displays information on adjacency events that relate to OSPF.
38
IOS/IOS-XE Command: debug ip ospf events
Displays information on OSPF-related events.
39
IOS/IOS-XE Command: no neighbor [ip-address] password [key]
Removes the BGP authentication.
40
IOS/IOS-XE Command: ping mpls ipv4 [dest-address/mask] source [source-address]
Checks MPLS host reachability and network connectivity by specifying the destination type as an LDP IPv4 address.
41
IOS/IOS-XE Command: router bgp as-number
Enters BGP configuration mode for the specified autonomous system number.
42
IOS/IOS-XE Command: ping vrf [vrf-name] [dest_address]
Verifies connectivity between the VRFs and destination IP.
43
IOS/IOS-XE Command: router ospf [process-id]
Enters OSPF configuration mode.
44
IOS/IOS-XE Command: router-id [ip-address]
Forces OSPF to use the specified IP address as the router ID.
45
IOS/IOS-XE Command: show bgp all neighbors
Displays information about BGP and TCP connections to neighbors.
46
IOS/IOS-XE Command: show bgp vpnv4 unicast all summary
Display a summary of VPNv4 routes from the BGP table.
47
IOS/IOS-XE Command: show ip ospf interface [interface]
Displays OSPF-related interface information.
48
IOS/IOS-XE Command: show ip ospf neighbor
Displays OSPF-neighbor information on a per-interface basis.
49
IOS/IOS-XE Command: show ip protocols [protocol]
Displays the parameters and the current state of the specified routing protocol process.
50
IOS/IOS-XE Command: show ip route vrf [vrf-name]
Displays the current state of the routing table for a particular VRF.
51
IOS/IOS-XE Command: show running-config | section router [protocol]
Filters the output of a show running-config command to match a given section of a routing protocol.
52
IOS/IOS-XE Command: undebug all
Turns off all possible debugs.