Cisco 300-515 Exam Dumps [2026] Practice Valid Exam Dumps Question [Q64-Q86]

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Cisco 300-515 Exam Dumps [2026] Practice Valid Exam Dumps Question

300-515 Dumps – Grab Out For [NEW-2026] Cisco Exam

Cisco 300-515 Exam Syllabus Topics:

Section	Weight	Objectives
Layer 3 VPNs	35%	– Describe CSC concepts – Implement extranet/shared services (route targets/policy) – Troubleshoot Intra-AS L3VPNs (PE-CE, PE-PE, PE-RR) – Describe routing requirements (MP-BGP, PE-CE routing) – Describe Inter-AS L3VPNs (Options A, B, AB, C) – Implement multicast VPN (Intranet, Extranet, mLDP)
VPN Architecture	25%	– Describe L3VPN control plane (MP-BGP, RD, RT, VPN labels, VRF, PE-CE) – Troubleshoot underlay (Core IGP, LSP) – Compare VPN architecture (Layer 2 vs Layer 3, Inter-AS/Intra-AS) – Describe L3VPN data plane (underlay label, VRF forwarding, VPNv6) – Describe Layer 2 service architecture (IOS XR Ethernet Flowpoints, IOS XE EVCs)
Layer 2 VPNs	30%	– Describe EVPN concepts (data plane/control plane, multihoming, suppression, forwarding) – Implement EVPN (IRB, VPWS, native) – Implement Ethernet OAM – Troubleshoot L2VPN services (E-LAN, E-Line, E-Tree)
IPv6 VPNs	10%	– Troubleshoot IPv6 VPN provider edge (PE-PE, PE-CE) – Describe IPv6 VPN routing requirements (MP-BGP, PE-CE)

NO.64 What do EVPN single-active and all-active have in common?

They are default gateway redundancy options.

They are multihoming mechanisms used for CE devices.

They are used to provide single connection from a CE device to a service provider.

They are both roles that a designated router can take when MPLS is used with EVPN.

NO.65 A network architect is troubleshooting the L2TPv3 tunneling security due to the untrusted nature of the underlaying network. Which two L2TPv3 features does the architect deploy to address the ongoing issues?
(Choose two.)

TCP MD5 authentication

control message hashing

CHAP authentication

control message rate limiting

asymmetric mutual authentication with PSK

NO.66 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?

interface Bundle-Ether3
lacp system mac 1.1.1
vrf evpn-irb
address-family ipv4 unicast
import route-target
1:500
export route-target
500:1
interface Bundle-Ether3.101 12transport
encapsulation dot1q 101
rewrite ingress tag pop 1 symmetric
interface BVI101
host-routing
vrf evpn-irb
ipv4 address 10.10.10.1 255.255.0.0
mac-address 0000.3030.1

interface Bundle-Ether3
lacp system mac 1.1.1
vrf evpn-irb
address-family ipv4 unicast
import route-target
500:1
interface BVI101
host-routing
vrf evpn-irb
ipv4 address 10.10.10.1 255.255.0.0
mac-address 0000.3030.1

interface Bundle-Ether3
lacp system mac 1.1.1
vrf evpn-irb
address-family ipv4 unicast
import route-target
500:1
export route-target
500:1
interface Bundle-Ether3.101 12transport
encapsulation dot1q 101
rewrite ingress tag pop 1 symmetric

NO.67 Refer to the exhibit. A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While starting to configure, he experienced a connectivity issue.
Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)

Configure PE3 to export route-targets 100:1 and 200:2.

Configure PE3 to import route-targets 100:1 and 200:2.

Configure PE4 to import route-targets 101:1 and 202:2.

Configure PE2 to export route-targets 300:3 and 400:4.

Configure PE1 to import route-targets 300:3 and 400:4.

NO.68 In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?

RD mismatch between the PE routers

RT export and import configuration errors

VRF name mismatch between the PE routers

RD export and import configuration errors

NO.69 Which optional information can be included with an IPv6 ping to support the troubleshooting process?

IPv4 IP address

source MAC address

destination MAC address

IPv6 hostname

NO.70 Refer to the exhibit:

A network engineer is implementing an OSPF configuration Based on the output, which statement is true?

In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1.

OSPFv3 does not run for IPv4 on FastEthemet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface Fastfc.thernet0/0

OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6.

IPv6 routing not enabled” is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway

NO.71 Refer to the exhibit. Router R1 is configured with the default OAM configuration with active mode enabled. After a series of link failures caused significant delays for users attempting to access the file server, the enterprise engineering team decided to implement Ethernet OAM to check for link failures and faults within the network.
Which action must the team take so that remote OAM is alerted when a fault occurs?

Implement repetitive traceroutes to monitor the path of Ethernet traffic.

Implement discovery to monitor links within the network and record errors.

Implement link monitoring to identify and capture error events.

Implement repetitive pings to identify when breaks in communication occur.

NO.72 Refer to the exhibit. A Cisco engineer at a service provider must implement single-homed EVPN- VPWS. When router PE1 receives an EVPN per EVI EAD route from PE2, it must add the entry to its local Layer 2 RIB. The engineer began the implementation process by applying this configuration to PE1. Which additional configuration must the engineer apply to PE1 to complete the EVPN-VPWS implementation?

PE1(config)#12vpn
PE1(config-12vpn)#xconnect group evpn-vpws
PE1(config-12vpn-xc)# p2p evpn1
PE1(config-12vpn-xc-p2p)# interface Gig 1/0/1
PE1(config-12vpn-xc-p2p)# neighbor evpn evi 100 target 12 source 10
PE1(config-12vpn-xc-p2p)# commit

PE1(config)#12vpn
PE1(config-12vpn)#bridge group bg2
PE1(config-12vpn-bg)# brige-domain bd2
PE1(config-evpn)# interface Bundle-Ether10
PE1(config-evpn-ac)# ethernet-segment
PE1(config-evpn-ac-es)# identifier type 0 00.01.00.ac.ce.55.00.0a.00
PE1(config-evpn-ac-es)# commit

PE1(config-evpn)# interface Bundle-Ether10
PE1(config-evpn-ac)# ethernet-segment
PE1(config-evpn-ac-es)# identifier type 0 00.01.00.ac.ce.55.00.0a.00
PE1(config-evpn-ac-es)# commit

PE1(config)#12vpn
PE1(config-12vpn)#bridge group bg2
PE1(config-12vpn-bg)# brige-domain bd2
PE1(config-12vpn-bg-bd)# interface Gig 1/0/1
PE1(config-12vpn-bg-bd-ac)# routed interface BVI200

NO.73 Refer to the exhibit. VMs are frequently moved within this network that spans several data centers at different physical locations. Users on the network reported that features of certain applications that run on the two servers regularly become inaccessible without warning when the VMs are moved. Which technology must a network engineer implement to reduce service disruption in the environment?

Implement port security to force the servers on which the VMs reside to connect to specific ports after they are moved.

Implement EVPN IRB to allow VMs to remain in the same subnet when they are moved.

Implement Cisco Discovery Protocol and disable SNMP to allow VMs to be moved without being tracked.

Implement SSM to allow VMs to communicate IP address updates to the applications that use multicast.

NO.74 Refer to the exhibit.

While provisioning a new BGP session between the PE and CE router, you issue the as- override command. Which statement describes modification of the prefix before being sent to the CE router (10.10.10.1)?

The fourth AS changes, but no other autonomous systems change.

The first and fourth autonomous systems change.

The second and third autonomous systems change.

The first AS changes, but no other autonomous systems change.

NO.75 Refer to the exhibit.

Which statement about this configuration is true?

Router 1 will accept multicast routes with a route-target of 12:1.

192.168.1.2 must be reachable by all routers participating in the mvpn-intranet MVRF.

Router 1 has statically defined thresholds for data MDT.

The MVRF must be configured on each router on the customer and service provider networks.

NO.76 In which configuration mode is a route distinguisher configured in a Cisco IOS XR router?

config-vrf

config-vrf-af

config-bgp

config-bgp-af

config-bgp-vrf

NO.77 A network engineer is implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers.
Which PE-to- CE routing protocol requires a separate routing process to be created for each VRF?

RIPv2

OSPF

BGP

EIGRP

NO.78 Refer to the exhibit.

While provisioning a new BGP session between the PE and CE router, you issue the as- override command.
Which statement describes modification of the prefix before being sent to the CE router (10.10.10.1)?

The fourth AS changes, but no other autonomous systems change.

The first and fourth autonomous systems change.

The second and third autonomous systems change.

The first AS changes, but no other autonomous systems change.

NO.79 Refer to the exhibit. A customer is experiencing a VPN traffic outage: The VPN connection CustomerLMN between PEA and PEC is down. After debugging, the service provider network engineer found that the VRF RD and RT values are correctly configured on PEA and PEC, and MP-BGP peering is up between the PE routers. Which configuration resolves this issue?

PEA(config)#router bgp 100
PEA(config-router)#address-family ipv4 vrf CustomerLMIN
PEA(config-router-af)#neighbor 10.100.100.3 send-community extended
PEA(config-router)#address-family vpnv4
PEA(config-router-af)#redistribute connected

PEA(config)#router bgp 100
PEA(config-router)#address-family vpnv4 unicast
PEA(config-router-af)#neighbor 10.100.100.3 send-community both
PEA(config-router)#address-family ipv4 vrf CustomerLMN
PEA(config-router-af)#no auto-summary
PEA(config-router-af)#no synchronization

PEA(config)router bgp 100
PEA(config-router)#address-family ipv4 vrf CustomerLMN
PEA(config-router-af)#neighbor 10.100.100.3 send-community both
PEA(config-router)#address-family vpnv4
PEA(config-router-af)#no auto-summary
PEA(config-router-af)#no synchronization

PEA(config)#router bgp 100
PEA(config-router)#address-family vpnv4
PEA(config-router-af)#neighbor 10.100.100.3 send-community extended
PEA(config-router)#address-family ipv4 vrf CustomerLMN
PEA(config-router-af)#redistribute connected

NO.80 Refer to the exhibit.

Which statement about this command is true?

It must be configured on each PE router to enable the PE routers to receive multicast traffic for this particular MVRF.

It is used to set the designated router on a link using PIM-SM.

It must be configured on the PE and CE router to enable MP-BGP to send labels for CSC.

It is used to set the router that will server as the root bridge for STP.

NO.81 Which action must an engineer take when configuring SR-TE using OSPF?

Enable segment routing under the OSPF routing process.

Implement PIM-SM to share routing updates throughout the OSPF network.

Establish direct neighbor relationships between all OSPF devices in the network.

Configure all OSPF links as point-to-multipoint.

NO.82 Refer to the exhibit.

Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?

A system notification is sent to the network administrator that triggers the manual configuration of the new MAC address on PE2 and PE3.

The new MAC address is sent by BGP to PE2 and PE3 as a Type 2 BGP route.

The MAC address is entered into the CAM table and is classified for use on the native VLAN

The MAC address is entered into the CAM table only if it is learned on the native VLAN.

NO.83 Refer to the exhibit.

Refer to the exhibit Router 1 is a P router in the ISP MPLS core A connected P router cannot generate an MPLS label for the router 1 loopback0 interface Which action resolves this issue?

The loopback0 interface must be in OSPF area 0.

The network statement under the routing process must have a wildcard mask of 0 0.0 255.

The OSPF network type must be changed on loopback0 to point-to-point

A static route to null 0 must be added for the loopback interface and then static routes must be redistributed into OSPF

NO.84 Which two are characteristics of using a non-MPLS peer-to-peer model over a traditional overlay model? (Choose two.)

The model is suited for nonredundant configurations.

The configuration on a newly added site PE is updated automatically.

Provider routers know the customer network topology.

The customer specifies the exact site-to-site traffic profile.

Routing information is exchanged between the customer router and one or a few PEs.

NO.85 Refer to the exhibit.

Which statement about this command is true?

It must be configured on each PE router to enable the PE routers to receive multicast traffic for this particular MVRF.

It is used to set the designated router on a link using PIM-SM.

It must be configured on the PE and CE router to enable MP-BGP to send labels for CSC.

It is used to set the router that will server as the root bridge for STP.

NO.86 Refer to the exhibit. A customer with locations in New York and London uses multiple service providers to connect between its offices and to the data center where its servers are located The PE routers are participating in an MLDP, and each PE creates the same VRF to support the customer offices. PE1 is connected to the data centers. A network engineer must update the implementation so that new hosts connected to CE2 and CE3 can reach the servers connected to the data center.
Which two actions must the engineer take to support this communication? (Choose two.)