8-3 - Troubleshoot Common Issues for EVPN Native, EVPN VPWS, and EVPN IRB Solutions

Question 1

IOS-XR Command:
show l2vpn bridge-domain bd-name <name> [details]</name>

Answer 1

verify whether the EVPN and AC states are up

Question 2

IOS-XR Command:
show l2vpn mac mac all location <location></location>

Answer 2

verifies the MAC updates to the Layer 2 Forwarding Information Base (L2FIB) table in a Route Switch Processor (RSP).

Question 3

IOS-XR Command:
show l2vpn forwarding bridge-domain <bridge-group:bridge-domain> mac-address location <R/S/I></bridge-group:bridge-domain>

Answer 3

verify MAC updates to the L2FIB table in a line card or RSP.

Question 4

IOS-XR Command:
show l2vpn xconnect

Answer 4

verify the state of EVPN VPWS. It displays information on configured cross-connects.

Question 5

IOS-XR Command:
show evpn ether-segment [detail]

Answer 5

verify the Ethernet segment status.

Question 6

IOS-XR Command:
show evpn evi vpn-id <id> neighbor</id>

Answer 6

identify neighbors for the specified VPN ID.

Question 7

IOS-XR Command:
show evpn evi vpn-id <id> mac</id>

Answer 7

lists both the local and remote MACs.

Question 8

IOS-XR Command:
show evpn evi vpn-id <id> mac <MAC> [detail]</MAC></id>

Answer 8

verify the MAC address and host IP addresses that are being learned and relate to the EVPN instance (EVI).

Question 9

IOS-XR Command:
show bgp l2vpn evpn summary

Answer 9

show summary BGP neighbors on the L2VPN-EVPN AF, including neighbor IP, remote AS, prefixes received, and more.

Question 10

IOS-XR Command:
show bgp l2vpn evpn [bridge-domain] <bridgedomain> [route-type] <></bridgedomain>

Answer 10

lists both the local and remote MACs for the specified bridge domain and route type.

Question 11

Which of the following are valid EVPN show commands?

A. L2VPN, EVPN, and BGP show commands
B. Native, VPWS, and IRB show commands
C. VPWS, IRB, and bridge-domain show commands
D. EVI, VPN, and VPN-forwarding show commands

Answer 11

A