7-7 - Implement Different EVPN Solutions

Question 1

IOS-XR Command:
address-family l2vpn evpn

Answer 1

• BGP neighbor configuration mode command. Chooses L2VPN EVPN address-family configuration.
• VRF configuration mode command. Enters L2VPN EVPN address family.

Question 2

IOS-XR Command:
advertise-mac

Answer 2

EVPN instance configuration mode command that advertises MAC routes.

Question 3

IOS-XR Command:
cef adjacency route override rib

Answer 3

Enables Cisco Express Forwarding to prefer Routing Information Base (RIB) prefixes over Adjacency Information Base (AIB) prefixes.

Question 4

IOS-XR Command:
evi

Answer 4

Enters EVPN configuration mode

Question 5

IOS-XR Command:
evi

Answer 5

Creates and enters EVPN instance configuration mode.

Question 6

IOS-XR Command:
interface [interface.id] l2transport

Answer 6

Creates and enters subinterface configuration mode and treats it as an attachment circuit.

Question 7

IOS-XR Command:
mac-address [mac-address]

Answer 7

Assigns a MAC address to the configured interface.

Question 8

IOS-XR Command:
neighbor evpn evi [VPN-ID] target [Remote AC Identifier] source [Local AC Identifier]

Answer 8

L2VPN configuration mode command. Creates an end-to-end circuit via EVPN by using a local AC identifier (AC1) that identifies the local end of the emulated service and a remote AC identifier (AC2) that identifies the remote end of the emulated service.

Question 9

IOS-XR Command:
show bgp l2vpn evpn

Answer 9

Displays the Layer 2 VPN EVPN information in the BGP table.

Question 10

IOS-XR Command:
show l2vpn xconnect group [group ID]

Answer 10

Displays the Layer 2 VPN status for a specific group ID connection.

Question 11

IOS-XR Command:
split-horizon group core

Answer 11

Activates split-horizon to this Layer 3 interface to the bridge domain.

Question 12

IOS-XR Command:
unknown-unicast-suppression

Answer 12

EVPN instance configuration mode command that suppresses unknown unicast traffic.

Question 13

IOS-XE Command:
clear bgp vrf [vrf-name] ipv4 unicast [neighbor-ip]

Answer 13

Restarts BGP session with the specified BGP neighbor in the respective VRF.

Question 14

IOS-XE Command:
l2vpn evpn instance [Instance ID] point-to-point

Answer 14

Enters Layer 2 VPN configuration mode. Creates an EVPN L2VPN with an instance ID and type VPWS.

Question 15

IOS-XE Command:
service target [AC1] source [AC2]

Answer 15

L2VPN configuration mode command. Creates an end-to-end circuit via EVPN by using a local AC identifier (AC1) that identifies the local end of the emulated service and a remote AC identifier (AC2) that identifies the remote end of the emulated service.

Question 16

IOS-XE Command:
show bgp l2vpn evpn

Answer 16

Displays the Layer 2 VPN EVPN information in the BGP table.

Question 17

IOS-XE Command:
show l2vpn evpn vpws evi [VPN ID] detail

Answer 17

Displays the Layer 2 VPN status for a specific VPN group ID connections in detail.

Question 18

IOS-XE Command:
show l2vpn evpn vpws vc all [detail]

Answer 18

Display the Layer 2 VPN status for all group ID connections, with or without details.

Question 19

IOS-XE Command:
vpws context [Group ID]

Answer 19

Specifies a group ID for Layer 2 VPN EVPN VPWS.