7-8 - Summary Challenge Flashcards
Match the EVC service types with the correct description.
Descriptions:
point-to-point EVC
multipoint-to-multipoint EVC
rooted multipoint
Service type does not exist.
Service Types:
E-Line
E-Tree
E-LAN
E-Link
point-to-point EVC == E-Line
multipoint-to-multipoint EVC == E-LAN
rooted multipoint == E-Tree
Service type does not exist. == E-Link
Match the Ethernet service terminologies with the correct description.
Descriptions:
Layer 2 logical subinterface classifies traffic under a physical interface.
Represents Cisco software architecture to address Carrier Ethernet services.
Helps the service provider offer Ethernet services.
Provides point-to-point or multipoint interconnection between customer service instances.
Terms:
EVC
Carrier Ethernet services
Layer 2 virtual connection
EFP
Layer 2 logical subinterface classifies traffic under a physical interface. == EFP
Represents Cisco software architecture to address Carrier Ethernet services. == EVC
Helps the service provider offer Ethernet services. == Carrier Ethernet services
Provides point-to-point or multipoint interconnection between customer service instances. == Layer 2 virtual connection
Match the EVPN terminologies with the correct description.
Descriptions:
An IETF L2VPN technologies widely adopted technology.
Next-gen solution that provides Ethernet multipoint services.
Represents a VPN on a PE router.
Used to represent “site” connections.
Terms:
VPLS
EVPN
Ethernet segments
EVI
An IETF L2VPN technologies widely adopted technology. == VPLS
Next-gen solution that provides Ethernet multipoint services. == EVPN
Represents a VPN on a PE router. == EVI
Used to represent “site” connections. == Ethernet segments
Match the EVPN multihoming mechanisms with the correct description.
Descriptions:
PEs connect to a common Ethernet segment and exchange BGP segment routes.
Prevents flooded traffic from echoing back to a multihomed Ethernet segment.
Decapsulates and sends BUM traffic to the destination local segment.
PEs advertise the ESIs of local multihomed Ethernet segments in BGP.
Mechanisms:
multihomed Ethernet segment autodiscovery
split horizon
designated forwarder
aliasing
PEs connect to a common Ethernet segment and exchange BGP segment routes. == multihomed Ethernet segment autodiscovery
Prevents flooded traffic from echoing back to a multihomed Ethernet segment. == split horizon
Decapsulates and sends BUM traffic to the destination local segment. == designated forwarder
PEs advertise the ESIs of local multihomed Ethernet segments in BGP. == aliasing
Match the EVPN traffic-forwarding operations with the correct description.
Descriptions:
MAC addresses that are learned on one device distribute to other devices.
This feature is accomplished by having the PE impose labels.
MAC/IP advertisement route with the lower sequence number is withdrawn.
PEs in a particular EVPN instance send BUM traffic to other PEs.
Operations:
MAC address reachability
MAC mobility procedure
Managing multidestination traffic
Unicast traffic forwarding
MAC addresses that are learned on one device distribute to other devices. == MAC address reachability
This feature is accomplished by having the PE impose labels. == Unicast traffic forwarding
MAC/IP advertisement route with the lower sequence number is withdrawn. == MAC mobility procedure
PEs in a particular EVPN instance send BUM traffic to other PEs. == Managing multidestination traffic
Match the EVPN terminologies with the correct description.
Enables the distribution MAC addresses with software MAC learning.
A BGP control plane solution for point-to-point services.
This terminology does not exist.
Enables Layer 3 forwarding among hosts across different IP subnets.
Terms:
EVPN native
EVPN-VDC
EVPN IRB
EVPN-VPWS
Enables the distribution MAC addresses with software MAC learning. == EVPN native
A BGP control plane solution for point-to-point services. == EVPN-VPWS
This terminology does not exist. == EVPN-VDC
Enables Layer 3 forwarding among hosts across different IP subnets. == EVPN IRB
Which of the following is a valid EVPN MAC learning mode?
A. Single-home device or single-home network
B. Single-home device or all-active (per-flow) load-balancing
C. Single-home device or single-active (per-service) load-balancing
D. Single-home device or dual-home device
A
Match the following Ethernet OAM PDU with the correct description:
Descriptions:
A variable-length OAM PDU that you use for discovery.
A variable-length OAM PDU that you use for link monitoring.
A fixed-length OAM PDU 64 bytes in size.
A variable-length OAM PDU that allows the addition of extensions to OAM.
Ethernet OAM PDUs:
information
vendor-specific
loopback control
event notification
A variable-length OAM PDU that you use for discovery. == information
A variable-length OAM PDU that you use for link monitoring. == event notification
A fixed-length OAM PDU 64 bytes in size. == loopback control
A variable-length OAM PDU that allows the addition of extensions to OAM. == vendor-specific
