Nokia 4A0-115 Nokia Ethernet Virtual Private Network Services Exam Practice Test

EVPN allows a service provider to deliver multiple services over a single core network.

The customer data is encapsulated and then tunneled between the PE routers.

EVPN-MPLS encapsulated data has a label that uniquely identifies each service.

EVPN-MPLS provides services over a simple IP network.

All VPLS instances must be configured on all PES regardless of whether they have a local host or not.

EVPN IP-Prefix routes are used to populate the VPRN VRF tables.

The egress PE does not perform any Layer-3 route look up to forward traffic.

The ingress PE performs both Layer-2 and Layer-3 look ups when forwarding traffic between subnets.

VPLS 10 must be configured with two BGP instances on PE3 and PE4.

On PE3 and PE4, VPLS 10 must be configured with two different route-distinguisher values: one for VXLAN and another for MPLS.

On PE3 and PE4, VPLS 10 must be configured with two different route-target values: one for VXLAN and another for MPLS.

A BGP export policy is required on PE3 and PE4 to ensure that IMET routes originated with VXLAN encapsulation are not advertised to the peer across the core network.

The PE has proxy-ARP and dynamic-populate enabled for the VPLS.

The proxy-ARP table is populated by snooping IP packets received from remote PEs.

When the PE learns a local host IP address, it adds an entry into its proxy-ARP table.

The PE advertises a MAC/IP route that includes the MAC and IP address of a local host.

PEI consults the FDB of RVPLS 1 and forwards the traffic to the local interface of VPRN 11.

PEI encapsulates the packet with two labels: an outer transport label and an inner service label.

PE2 inspects the service label and determines that it is associated with RVPLS 2.

PE2 consults the FDB of RVPLS 2 and forwards the traffic to Host 2.

This route is an A-D per EVPN instance (A-D per EVI) route advertised by PEI for a VPWS.

This route indicates that the EVPN service configured on PEI is multi-homed.

This route indicates that the EVPN service is configured on PEI with an EVPN instance (EVI) of 113.

This route indicates that the EVPN service is configured on PEI with a service MTU of 1514.

PEI advertises an A-D per ES route which indicates that ESI 1 is operating in a single-active redundancy mode.

PEI advertises an A-D per EVI route which includes a P flag set to I to indicate that PEI is the DF for EVI 20.

PE3 advertises an A-D per ES route which indicates that ESI I is operating in a single-active redundancy mode.

When PEI learns MAC-01, it advertises a MAC/IP route which indicates that MAC-OI is associated with ESI I.

PE2 advertises this BGP update for a locally-configured VPWS service.

PEI uses this BGP update to build the flooding list of the associated service.

PEI uses MPLS label 524284 when sending traffic destined to

Neighbor 10.10.10.2 is connected to a multi-homed CE.

Each participating PE advertises a MAC/IP route that carries the MAC address of SBD IRB interface.

IP-Prefix routes exchanged between PES include a non-zero MAC address as an overlay index.

The VPRN service is configured to allow the advertisement of IP prefixes.

The SBD IRB interface configured in the VPRN service has no IP address assigned to it.

Configure an MP-BGP session that allows the exchange of EVPN routes between PEI and PE3.

Configure an MP-BGP session that allows the exchange of IPv4 labeled routes between PE3 and PE4.

Configure a service distribution point (SDP) on PE3 to reach PE4, and another SDP on PE4 to reach PE3.

Configure a local attachment circuit (AC) and a remote AC for VPWS 4 on all PE routers.

PEI does not flood the packet because PEI is acting as non-designated forwarder (non-DF) for VPLS 10.

PEI sends the packet to PE2 but not to PE3 because PE3 is connected to the originating ES.

PEI sends the packet to PE2 and to PE3. An ESI label is included only in the packet sent to PE2.

PEI sends the packet to PE2 and to PE3. An ESI label is included only in the packet sent to PE3.

PEI populates this information into the local VPLS FDB.

Neighbors 10.10.10.2 and 10.10.10.3 have proxy-ARP enabled for the VPLS.

Neighbors 10.10.10.2 and 10.10.10.3 have a service that uses a network identifier of 10.

PEI uses VXLAN tunnels to reach neighbors 10.10.10.2 and 10.10.10.3.