Refer to the exhibit. A network engineer is configuring EVPN IRB on a PE router. Layer 3 connectivity is working between the routers. The network design permits the hosts in an IP subnet to be…

The correct answer is A. interface Bundle-Ether3. For EVPN-IRB you still need to: 1. Bind the VLAN sub-interface into your L2VPN by configuring the 12transport encapsulation and symmetric tag-pop: interface Bundle-Ether3.101 12transport encapsulation dot1q 101 rewrite ingress tag pop 1 symmetric 2. Configure the BVI with the…

Layer 2 VPNs

Question

Refer to the exhibit. A network engineer is configuring EVPN IRB on a PE router. Layer 3 connectivity is working between the routers. The network design permits the hosts in an IP subnet to be provisioned anywhere in the data center. Which additional configuration completes the process?

Exhibit

Options

Ainterface Bundle-Ether3
Binterface Bundle-Ether3
Cinterface Bundle-Ether3
Dinterface Bundle-Ether3

How the community answered

(30 responses)

A
43% (13)
B
10% (3)
C
30% (9)
D
17% (5)

Explanation

For EVPN-IRB you still need to: 1. Bind the VLAN sub-interface into your L2VPN by configuring the 12transport encapsulation and symmetric tag-pop: interface Bundle-Ether3.101 12transport encapsulation dot1q 101 rewrite ingress tag pop 1 symmetric 2. Configure the BVI with the IRB IP, enable host-routing in the VRF, and assign a MAC address: interface BVI101 ipv4 address 10.10.10.1/16 mac-address 0000.3030.1 3. Under the IPv4 unicast address-family for that VRF, import (and export, if needed) the same RT so the IRB routes are carried in MP-BGP: address-family ipv4 unicast import route-target 500:1 export route-target 500:1

Topics

#EVPN IRB#integrated routing bridging#Bundle-Ether#data center

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