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Netwrk-2 > 8.4: DHCPv6 Router Roles > Flashcards

8.4: DHCPv6 Router Roles Flashcards

1
Q

A CISCO router can be configured as ____

A

DHCPv6 Server
DHCPv6 Client
DHCPv6 Relay Agent

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2
Q

Router provides stateless or stateful DHCPv6 services.

A

Router as DHCPv6 Server

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3
Q

Router interface acquires an IPv6 IP configuration from a DHCPv6 server.

A

Router DHCPv6 Client

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4
Q

Router provides DHCPv6 forwarding services when the client and the server are located on different networks.

A

Router as DHCPv6 Relay Agent

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5
Q

The stateless DHCPv6 server option requires that the router advertise the IPv6 network addressing information in RA messages. However, the client must contact a ___ for more information.

A

DHCPv6 server

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6
Q

There are five steps to configure and verify a router as a stateless DHCPv6 server:

A

S1: Enable IPv6 routing
S2: Define a DHCPv6 pool name
S3: Configure the DHCPv6 pool
S4: Bind the DHCPv6 pool to an interface
S5: Verify that the host have received IPV6 addressing info

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7
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Step 1. Enable IPv6 routing
Use ___ command

A

ipv6 unicast-routing

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8
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Although it is not necessary for the router to be a stateless DHCPv6 server, it is required for the router to source ____.

A

ICMPv6 RA messages

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9
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Step 2. Define a DHCPv6 pool name.
Use the ___ command in Router (config-dhcpv6)# prompt

A

ipv6 dhcp pool POOL-NAME

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10
Q

in configuring pool-name, is it required to use upper case letters?

A

The pool name does not have to be uppercase. However, using an uppercase name makes it easier to see in a configuration.

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11
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Step 3. Configure the DHCPv6 pool.
Provide the dns and domain name using ___ command

A

dns-server SERVER
domain-name NAME.COM

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12
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.
Use the ____ command to bound DHCPv6 pool to the interface

A

ipv6 dhcp server POOL-NAME

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13
Q

CONFIGURE A STATELESS DHCPv6 SERVER
Step 5. Verify hosts received IPv6 addressing information.

Use __ command to verify stateless DHCP on a Windows host

A

ipconfig/all

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14
Q

CONFIGURE A STATELESS DHCPv6 CLIENT
Step 1. Enable IPv6 routing.
The DHCPv6 client router needs to have____ enabled

A

ipv6 unicast-routing

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15
Q

CONFIGURE A STATELESS DHCPv6 CLIENT
Step 2. Configure client router to create an LLA.

The client router needs to have a link-local address. An IPv6 link-local address is created on a router interface when a___ is configured. It can also be created without a GUA using the ___ interface configuration command.

A

global unicast address
ipv6 enable

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16
Q

CONFIGURE A STATELESS DHCPv6 CLIENT
Step 3. Configure client router to use SLAAC.

The client router needs to be configured to use SLAAC to create an IPv6 configuration. The___ command enables the automatic configuration of IPv6 addressing using SLAAC.

A

ipv6 address autoconfig

17
Q

CONFIGURE A STATELESS DHCPv6 CLIENT
Step 4. Verify client router is assigned a GUA.

Use the ____command to verify the host configuration as shown.

A

show ipv6 interface brief

18
Q

CONFIGURE A STATELESS DHCPv6 CLIENT
Step 5. Verify client router received other DHCPv6 information.

The ___ g0/0/1 command confirms that the DNS and domain names were also learned by R3.

A

show ipv6 dhcp interface

19
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 1. Enable IPv6 routing.
The ___ command is required to enable IPv6 routing.

A

ipv6 unicast-routing

20
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 2. Define a DHCPv6 pool name.

Create the DHCPv6 pool using the ___ global config command.

A

ipv6 dhcp pool POOL-NAME

21
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 3. Configure the DHCPv6 pool.
The ___command is used to indicate the pool of addresses to be allocated by the server.

Other info provided are dns server and domain name using __ commands

A

address prefix
dns-server ADDRESS
domain-name EXAMPLE.COM

22
Q

With stateful DHCPv6, all addressing and other configuration parameters must be assigned by the ___.

A

DHCPv6 server

23
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.
The DHCPv6 pool has to be bound to the interface using the____ interface config command.

A

ipv6 dhcp server POOL-NAME

24
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.
The M flag is manually changed from 0 to 1 using the interface command ____.

A

ipv6 nd managed-config-flag

25
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.

The A flag is manually changed from 1 to 0 using the interface command _____.

A

ipv6 nd prefix default no-autoconfig

26
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.

use the ____ command to set the M flag back to its default of 0

A

no ipv6 nd managed-config-flag

27
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 4. Bind the DHCPv6 pool to an interface.
The ___ command sets the A flag back to its default of 1

A

no ipv6 nd prefix default no-autoconfig

28
Q

CONFIGURE A STATEFUL DHCPv6 SERVER
Step 5. Verify hosts received IPv6 addressing information.

To verify on a Windows host, use the ____command to verify the stateless DHCP configuration method.

A

ipconfig /all

29
Q

CONFIGURE A STATEFUL DHCPv6 CLIENT
Step 1. Enable IPv6 routing.
The DHCPv6 client router needs to have____ enabled.

A

ipv6 unicast-routing

30
Q

CONFIGURE A STATEFUL DHCPv6 CLIENT
Step 2. Configure client router to create an LLA.

In the output, the____ command is configured on the R3 Gigabit Ethernet 0/0/1 interface.

A

ipv6 enable

31
Q

CONFIGURE A STATEFUL DHCPv6 CLIENT
Step 3. Configure client router to use DHCPv6.

The_____command configures R3 to solicit its IPv6 addressing information from a DHCPv6 server.

A

ipv6 address dhcp

32
Q

CONFIGURE A STATEFUL DHCPv6 CLIENT
Step 4. Verify client router is assigned a GUA.
Use the ____command to verify the host configuration as shown.

A

show ipv6 interface brief

33
Q

CONFIGURE A STATEFUL DHCPv6 CLIENT
Step 5. Verify client router received other DHCPv6 information.
The ____command confirms that the DNS and domain names were learned by R3.

A

show ipv6 dhcp interface g0/0/1

34
Q

DHCPv6 SERVER VERIFICATION COMMANDS
The ____ command verifies the name of the DHCPv6 pool and its parameters

A

show ipv6 dhcp pool

35
Q

DHCPv6 SERVER VERIFICATION COMMANDS
Use the ____ command output to display the IPv6 link-local address of the client and the global unicast address assigned by the server.

A

show ipv6 dhcp binding

36
Q

CONFIGURE A DHCPv6 RELAY AGENT
This command is configured on the interface facing the DHCPv6 clients and specifies the DHCPv6 server address and egress interface to reach the server

A

ipv6 dhcp relay destination ipv6-address [interface-type interface-number]

37
Q

VERIFY THE DHCPv6 RELAY AGENT
The DHCPv6 relay agent can be verified using the ___command. This will verify that the G0/0/1 interface is in relay mode.

A

show ipv6 dhcp interface

38
Q

VERIFY THE DHCPv6 RELAY AGENT
On R3, use the ____ command to verify if any hosts have been assigned an IPv6 configuration.

A

show ipv6 dhcp binding

39
Q

VERIFY THE DHCPv6 RELAY AGENT
Finally, use ___ on PC1 to confirm that it has been assigned an IPv6 configuration

A

ipconfig /all

Netwrk-2 (34 decks)

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