CCNA 2 v7 chapter 8 SLACC and DHCPv6
What UDP port do DHCPv6 clients use to send DHCPv6 messages
547
What are the flag settings when a host should use the SLAAC only option
A = 1, M = 0, O = 0
What flag settings combination is used for stateless DHCP
A = 1, M = 0, O = 1
What is Stateful IPv6 address assignment
A DHCPv6 server is managing the assignment of IPv6 addresses
Which ICMPv6 message is sent by a host in an attempt to locate an online IPv6 enabled router to obtain IPv6 addressing information
A Router Solicitation (RS) Message
Which address type is automatically created by default on a host interface when no RAs are received?
A link-local address
Which three DHCPv6 roles can a router perform?
Be a DHCPv6 Client Be a DHCPv6 relay agent Be a DHCPv6 server
What method is used by a host to verify an IPv6 address is unique on the local network before assigning that address to an interface
DAD
A company implements the stateless DHCPv6 method for configuring IPv6 addresses on employee workstations. After a workstation receives messages from multiple DHCPv6 servers to indicate their availability for DHCPv6 service, which message does it send to a server for configuration information
DHCPv6 INFORMATION-REQUEST
What two methods can be used to generate an interface ID by an IPv6 host that is using SLAAC
EUI-64 Random generation
Which destination IP address is used when an IPv6 host sends a DHCPv6 SOLICIT message to locate a DHCPv6 server
FF02::1:2
What role does a DHCPv6 Client provide
It acquires an IPv6 IP configuration from a DHCPv6 server
A network administrator is entering the command ipv6 unicast-routing to start configuring DHCPv6 operation on a router. Which statement describes the function of this command
It is required for sending ICMPv6 RA messages
A client is using SLAAC to obtain an IPv6 address for its interface. After an address has been generated and applied to the interface, what must the client do before it can begin to use this IPv6 address
It must send a ICMPv6 Neighbor Solicitation message to ensure that the address is not already in use on the network
What role does a DHCPv6 Relay Agent provide
It provides DHCPv6 forwarding services when the client and the server are located on different networks
What role does a DHCPv6 Server provide
It provides stateless of stateful DHCPv6 services
What RA flag/flags does the SLACC Only use
It uses a A flag
What RA flag/flags does Stateless DHCP (SLACC and DHCPv6) use
It uses a A flag and a O flag
What flag/flags does Stateful DHCPv6 (DHCPv6 only) use
It uses a M flag
What M flag setting indicates that stateful DHCPv6 is not being used
M = 0
What M flag setting indicates that stateful DHCPv6 is used
M = 1
What is Stateless IPv6 assignment
No device is tracking the assignment of IPv6 addresses
What commands are used to bind a stateful DHCPv6 pool to an interface
R1(config-if)# ipv6 nd managed-config-flag R1(config-if)# ipv6 nd prefix default no-autoconfig R1(config-if)# ipv6 dhcp server ipv6-pool-name
What commands are used to bind a stateless DHCPv6 pool to an interface
R1(config-if)# ipv6 nd other-config-flag R1(config-if)# ipv6 dhcp server dhcp-pool-name
What DHCPv6 message does a host send to the DHCPv6 server if it is using stateful DHCPv6
REQUEST
Which two ICMPv6 messages are used in the SLAAC process
Router Solicitation (RS) and Router Advertisements (RA)
What command do you use to verify IPv6 Addresses
Router# show ipv6 interface
What command is used to enable IPv6 routing
Router(config)# ipv6 unicast-routing
An IPv6-enabled router is to acquire its IPv6 GUA from another IPv6 router using SLAAC. Which interface configuration command should be configured on the client router
Router(config-if)# ipv6 address autoconfig
What interface command is used to create an LLA for a stateless DHCP client
Router(config-if)# ipv6 enable
What command do you use to enable stateful DHCPv6 configuration on a router interface
Router(config-if)# ipv6 nd managed-config-flag
What command is used to enable stateless DHCPv6 configuration on a router interface
Router(config-if)# ipv6 nd other-config-flag
What DHCPv6 service is enabled by default
SLACC
What method best describes stateless DHCP
SLACC with a stateless DHCPv6 Server
What DHCPv6 message does a host send to look for a DHCPv6 server
SOLICIT
What command is not configured in stateless DHCPv6
address prefix ipv6-address/prefix
Which command is configured on the client LAN interface of the DHCPv6 relay agent
ipv6 dhcp relay destination
A router is to provide DHCPv6 server services. Which command should be configured on the client facing interface
ipv6 dhcp server pool-name
Which method would an IPv6-enabled host using SLAAC employ to learn the address of the default gateway
router advertisements that are received from the link router
SLACC is a ____________________ service
stateless
An ipv6 global unicast address is configured using what interface configuration command
Switch(config-if)# ipv6 address ipv6-address/prefix-length
What is the fourth step in a DHCPv6 operation
The DHCPv6 server responds with an ADVERTISE unicast message
What is the sixth step in a DHCPv6 operation
The DHCPv6 server sends a REPLY unicast message
What is the fifth step in a DHCPv6 operation
The host responds to the DHCPv6 server
What is the third step in a DHCPv6 operation
The host sends a DHCPv6 SOLICIT multicast message
What is the first step in a DHCPv6 operation
The host sends a Router Solicitation (RS) Message
What is the second step in a DHCPv6 operation
The router responds with a Router Advertisement (RA) message
What is an ICMPv6 RA message A flag
This is the Address Autoconfiguration flag. Uses Stateless Address Autoconfiguration (SLAAC) to create an IPv6 GUA
What is the ICMPv6 RA message M flag
This is the Managed Address Configuration flag. Uses a stateful DHCPv6 server to obtain a IPv6 GUA
What is the ICMPv6 RA message O flag
This is the Other Configuration flag. Uses other information available from a stateless DHCPv6 server
