Sun and OracleChannel SunHow to BuyLog InFrançais

System Administration Guide, Volume 3
  Rechercher uniquement dans ce livre
Aide pour la recherche
Afficher ce livre dans:
Contenues dans
Trouver plus de documentation
Ressources d'assistance comprises
 Télécharger cet ouvrage au format PDF (1868 Ko)

Chapter 17 Implementing IPv6

This chapter provides procedures for enabling IPv6, IPv6 routers, configuring IPv6 addresses for DNS, NIS, and NIS+; creating tunnels between routers; running IPv6 additions to commands for diagnostics; and displaying IPv6 name service information.

This is a list of the step-by-step instructions in this chapter.

For ... 

See ... 

Overview information about IPv6 

Chapter 14, Overview of IPv6

Transition information about transitioning from IPv4 to IPv6 

Chapter 15, Transitioning From IPv4 to IPv6

Conceptual information related to the procedures in this chapter 

Chapter 16, Managing IPv6

Enabling IPv6 Nodes

This section provides procedures you might need to configure IPv6 nodes on your network.

Note -

The term node in this context refers either to a Solaris server or client workstation.

Enabling IPv6 Nodes Task Map

Table 17-1 Enabling IPv6 Nodes Task Map

Task 

Description 

For Instructions, Go to ... 

Enable IPv6 on a node 

Involves touching hostname6.interface file, displaying addresses, and entering them in the /etc/inet/ipnodes file. (See note.)

"How to Enable IPv6 on a Node"

Configure a Solaris IPv6 router 

Involves adding entries to the indp.conf file.

"How to Configure a Solaris IPv6 Router"

Add IPv6 addresses to NIS and NIS+ 

Involves adding entries to the /etc/ipnodes file.

"How to Add IPv6 Addresses to NIS and NIS+"

Add IPv6 addresses to DNS 

Involves adding AAAA records to the DNS zone and reverse zone file. 

"How to Add IPv6 Addresses to DNS"

Note -

You can enable IPv6 on a system when you install the Solaris software. If you answered yes to enable IPv6 during the installation process, you can omit the following IPv6 enabling procedure.

How to Enable IPv6 on a Node

  1. Become superuser on the system where you want to enable IPv6.

  2. On a command line, type the following for each interface.


    # touch /etc/hostname6.interface

    Interface

    Interface name, such as le0, le1.

  3. Reboot.

    Note -

    Rebooting sends out router discovery packets and the router responds with a prefix, enabling the node to configure the interfaces with an IP address. Rebooting also restarts key networking daemons in IPv6 mode.

  4. On a command line, type the following command to display the IPv6 addresses.


    # ifconfig -a

  5. Add the IPv6 address to the appropriate name service as follows:

    1. For NIS and NIS+, see "How to Add IPv6 Addresses to NIS and NIS+".

    2. For DNS, see "How to Add IPv6 Addresses to DNS".

How to Configure a Solaris IPv6 Router

  1. Become superuser on the system that will act as a router.

  2. Edit the file /etc/inet/ndpd.conf with subnet prefixes by adding one or more of the following entries.

    See the in.ndpd(1M) man page for a list of variables and allowable values. For more information about the ndpd.conf file, see the ndpd.conf(4) man page.

    1. Add entries specifying router behavior for all interfaces.


      ifdefault variable value

    2. Add entries specifying prefix advertisement default behaviors.


      prefixdefault variable value

    3. Add sets per interface parameter entries.


      if interface variable value

    4. Add advertises per interface prefix information entries.


      prefix prefix/length interface variable value

  3. Reboot the system.

Note -

Neighbor discovery (in.ndpd) relays to the hosts their subnet address prefixes. Also, the RIPng routing protocol (in.ripngd) runs automatically.

Example--ndpd.conf Router Configuration File


# Send router advertisements out all NICs
ifdefault AdvSendAdvertisements on
# Advertise a global prefix and a 
# site local prefix on three interfaces.
# 0x9255 = 146.85
prefix 2:0:0:9255::0/64	 	hme0
prefix fec0:0:0:9255::0/64 	hme0
# 0x9256 = 146.86
prefix 2:0:0:9256::0/64 	hme1
prefix fec0:0:0:9256::0/64	hme1
# 0x9259 = 146.89
prefix 2:0:0:9259::0/64		hme2
prefix fec0:0:0:9259::0/64	hme2

How to Add IPv6 Addresses to NIS and NIS+

A new table has been added for NIS+ named ipnodes.org_dir. It contains both IPv4 and IPv6 addresses for a host. The existing hosts.org_dir table, which contains only IPv4 addresses for a host, remains as it is to facilitate existing applications. You must keep both the hosts.org_dir and ipnodes.org_dir tables consistent with the IPv4 addresses. This does not happen automatically. See "IPv6 Extensions to Solaris Name Services" for an overview.

Administration of the new ipnodes.org_dir table is similar to administering the hosts.org_dir. The same tools and utilities that were used in administering the previous NIS+ tables are valid for ipnodes.org_dir. See Solaris Naming Administration Guide for complete details on how to manipulate the NIS+ table.

The following procedure merges the entries from /etc/inet/ipnodes into the ipnodes.org_dir table (in verbose mode). The NIS+ table was probably created by nistbladm(1), nissetup(1M), or nisserver(1M).

    On a command line, type the following command:


    % nisaddent -mv -f /etc/inet/ipnodes ipnodes

Use the following procedure to display the ipnodes.org_dir table.

    On a command line, type the following command:


    % nisaddent -d ipnodes

Two new maps have been added for NIS: ipnodes.byname and ipnodes.byaddr. These maps contain both IPv4 and IPv6 hostname and address associations. The existing hosts.byname and hosts.byaddr maps, which contain only IPv4 hostname and address associations, will remain as they are to facilitate existing applications. Administration of the new maps is similar to the maintenance of the older hosts.byname and hosts.byaddr maps. Again, it is important that when you update the hosts maps with IPv4 addresses that the new ipnode maps are also updated with the same information.

Note -

IPv6 aware tools will use the new NIS and NIS+ maps and tables exclusively.

How to Add IPv6 Addresses to DNS

  1. Become superuser on system that has DNS.

  2. Edit the appropriate DNS zone file by adding AAAA records for the IPv6-enabled host, using the following format.


    host-name  IN   AAAA 	host-address

  3. Edit the DNS reverse zone file and add PTR records, using the following format.


    host-address IN   PTR   host-name

See RFC 1886 for more information about AAAA and PTR records.

Example--DNS Zone File


vallejo		IN		AAAA   2::9256:a00:20ff:fe12
IN		AAAA   fec0::9256:a00:20ff:fe12:528

Example--DNS Reverse Zone File


$ORIGIN	ip6.int.	
8.2.5.0.2.1.e.f.f.f.9.2.0.0.a.0.6.5.2.9.0.0.0.0.0.0.0.0.2.0.0.0 \
	IN		PTR		vallejo.Eng.apex.COM.
8.2.5.0.2.1.e.f.f.f.9.2.0.0.a.0.6.5.2.9.0.0.0.0.0.0.0.0.0.c.e.f \
	IN		PTR		vallejo.Eng.apex.COM.

Monitoring IPv6

The following commands were modified to accommodate the Solaris implementation of IPv6.

You can use the new additions to conduct diagnostics. For conceptiual descriptions of these commands, see "IPv6 Extensions to the ifconfig Utility" and "IPv6 Extensions to Existing Utilities".

Monitoring IPv6 Task Map

Table 17-2 Monitoring IPv6 Task Map

Task 

Description 

For Instructions, Go to 

Display interface address assignments 

Displays all, or just IPv4, or just IPv6 address assignments using ifconfig command.

"How to Display Interface Address Assignments"

Display network status 

Displays all sockets and routing table entries, inet address family for IPv4, inet6 address family for IPv6, and statistics per interface IPv6/ICMPv6 counters using netstat command.

"How to Display Network Status"

Control the display output of IPv6 related commands 

Controls the output of the ping, netstat, ifconfig, and traceroute commands by creating a file named inet_type and setting the DEFAULT_IP variable in it.

"How to Control the Display Output of IPv6 Related Commands"

Monitor only IPv6 network traffic 

Displays all IPv6 packets using the snoop command.

"How to Monitor Only IPv6 Network Traffic"

Probe all multihomed host addresses 

Checks all addresses using the ping command.

"How to Probe All Multihomed Host Addresses"

Trace all routes 

Uses the traceroute command.

"How to Trace All Routes"

How to Display Interface Address Assignments

You can use the ifconfig command to display all address assignments as well as just IPv4 or IPv6 address assignments.

    On the command line, type the following command.


    % ifconfig [option]

For more information on the ifconfig command, see the ifconfig(1M) man page.

Example--Displaying Addressing Information for All Interfaces


% ifconfig -a
lo0: flags=1000849 mtu 8232 index 1
        inet 120.10.0.1 netmask ff000000 
le0: flags=1000843 mtu 1500 index 2
        inet 120.46.86.54 netmask ffffff00 broadcast 120.146.86.255
        ether 8:0:73:56:a8 
lo0: flags=2000849 mtu 8252 index 1
        inet6 ::1/128 
le0: flags=2000841 mtu 1500 index 2
        ether 8:0:20:56:a8 
        inet6 fe80::a00:fe73:56a8/10 
le0:1: flags=2080841 mtu 1500 index 2
        inet6 fec0::56:20ff:fe73:56a8/64 
le0:2: flags=2080841 mtu 1500 index 2
        inet6 2::56:a00:fe73:56a8/64

Example--Displaying Addressing Information for All IPv4 Interfaces


% ifconfig -a4
lo0: flags=1000849 mtu 8232 index 1
        inet 120.10.0.1 netmask ff000000 
le0: flags=1000843 mtu 1500 index 2
        inet 120.46.86.54 netmask ffffff00 broadcast 120.46.86.255
        ether 8:0:20:56:a8

Example--Displaying Addressing Information for All IPv6 Interfaces


% ifconfig -a6
lo0: flags=2000849 mtu 8252 index 1
        inet6 ::1/128 
le0: flags=2000841 mtu 1500 index 2
        ether 8:0:20:56:a8 
        inet6 fe80::a00:fe73:56a8/10 
le0:1: flags=2080841 mtu 1500 index 2
        inet6 fec0::56:20ff:fe73:56a8/64 
le0:2: flags=2080841 mtu 1500 index 2
        inet6 2::56:a00:fe73:56a8/64

How to Display Network Status

These procedures enable you to display the following network data structure formats using the netstat command:

  • All sockets and routing table entries

  • Inet address family for IPv4

  • Inet6 address family for IPv6

  • Statistics per interface--IPv6/ICMPv6 counters

    On the command line, type the following command.


    % netstat [option]

For more information on the netstat command, see the netstat(1M) man page.

Example--Displaying All Sockets and Routing Table Entries


% netstat -a
UDP: IPv4
   Local Address         Remote Address     State
-------------------- -------------------- -------
      *.*                                   Unbound
      *.apexrpc                              Idle
      *.*                                   Unbound
			.
			.
UDP: IPv6
   Local Address                     Remote Address                   State
If  
--------------------------------- --------------------------------- -------
      *.*                                                           Unbound
      *.time                                                        Idle
      *.echo                                                        Idle
      *.discard                                                     Idle
      *.daytime                                                     Idle
      *.chargen                                                     Idle

TCP: IPv4
   Local Address        Remote Address    Swind Send-Q Rwind Recv-Q  State
-------------------- -------------------- ----- ------ ----- ------ -------
      *.*                  *.*                0      0     0      0 IDLE
      *.apexrpc            *.*                0      0     0      0 LISTEN
      *.*                  *.*                0      0     0      0 IDLE
      *.ftp                *.*                0      0     0      0 LISTEN
localhost.427              *.*                0      0     0      0 LISTEN
      *.telnet             *.*                0      0     0      0 LISTEN
tn.apex.COM.telnet is.Eng.apex.COM         8760      0   8760     0 ESTABLISHED
tn.apex.COM.33528 np.apex.COM.46637        8760      0   8760     0 TIME_WAIT
tn.apex.COM.33529 np.apex.COM.apexrpc      8760      0   8760     0 TIME_WAIT
TCP: IPv6
   Local Address     Remote Address   Swind Send-Q  Rwind Recv-Q   State   If 
----------------- -----------------   ----- ------  ----- ------   -----
      *.*                 *.*             0      0      0      0   IDLE 
      *.ftp               *.*             0      0      0      0   LISTEN 
      *.telnet            *.*             0      0      0      0   LISTEN 
      *.shell             *.*             0      0      0      0   LISTEN 
      *.smtp              *.*             0      0      0      0   LISTEN
		.
		.
 2::56:8.login     something.1023    8640      0   8640      0 ESTABLISHED
 fe80::a:a8.echo   fe80::a:89        8640      0   8640      0 ESTABLISHED
 fe80::a:a8.ftp    fe80::a:90        8640      0   8640      0 ESTABLISHED

Example--Displaying Inet Address Family for IPv4


% netstat -f inet
TCP: IPv4
   Local Address        Remote Address    Swind Send-Q Rwind Recv-Q  State
-------------------- -------------------- ----- ------ ----- ------ -------
tn.apex.COM.telnet    is.apex.COM.35388    8760      0  8760   0  ESTABLISHED
tn.apex.COM.1022      alive-v4.nfsd        8760      0  8760   0  ESTABLISHED
tn.apex.COM.1021      sl.apex.COM.nfsd     8760      0  8760   0  ESTABLISHED
.
.
tn.apex.COM.33539     np.apex.COM.apexrpc  8760      0  8760   0  TIME_WAIT

Example--Displaying Inet6 Address Family for IPv4


% netstat -f inet6
TCP: IPv6
   Local Address        Remote Address     Swind Send-Q Rwind Recv-Q   State      If 
-------------------- --------------------- ----- ------ ----- ------ ----------- -----
2::56:a8.login        something.1023       8640      0  8640      0 ESTABLISHED      
fe80::a0:a8.echo      fe80::a0:de.35389    8640      0  8640      0 ESTABLISHED      
.
.
fe80::a0:a8.ftp-data  fe80::a0:de.35394   25920      0 25920      0 TIME_WAIT

Example--Displaying Statistics Per Interface: IPv6/ICMPv6 Counters


% netstat -sa
RAWIP
        rawipInDatagrams    =  1407     rawipInErrors       =     0
        rawipInCksumErrs    =     0     rawipOutDatagrams   =     5
        rawipOutErrors      =     0

UDP
        udpInDatagrams      =  7900     udpInErrors         =     0
        udpOutDatagrams     =  7725     udpOutErrors        =     0

TCP     tcpRtoAlgorithm     =     4     tcpRtoMin           =   200
        tcpRtoMax           = 60000     tcpMaxConn          =    -1
				.
				.
IPv4    ipForwarding        =     2     ipDefaultTTL        =   255
        ipInReceives        =406345     ipInHdrErrors       =     0
        ipInAddrErrors      =     0     ipInCksumErrs       =     0
				.
				.
IPv6 for lo0
        ipv6Forwarding      =     2     ipv6DefaultHopLimit =     0
        ipv6InReceives      =     0     ipv6InHdrErrors     =     0
				.
				.
IPv6 for le0
        ipv6Forwarding      =     2     ipv6DefaultHopLimit =   255
        ipv6InReceives      =   885     ipv6InHdrErrors     =     0
				.
				.
IPv6    ipv6Forwarding      =     2     ipv6DefaultHopLimit =   255
        ipv6InReceives      =   885     ipv6InHdrErrors     =     0
				.
				.
ICMPv4  icmpInMsgs          =   618     icmpInErrors        =     0
        icmpInCksumErrs     =     0     icmpInUnknowns      =     0
        icmpInDestUnreachs  =     5     icmpInTimeExcds     =     0
				.
				.
ICMPv6 for lo0
        icmp6InMsgs         =     0     icmp6InErrors       =     0
        icmp6InDestUnreachs =     0     icmp6InAdminProhibs =     0
				.
				.
ICMPv6 for le0
        icmp6InMsgs         =   796     icmp6InErrors       =     0
        icmp6InDestUnreachs =     0     icmp6InAdminProhibs =     0
        icmp6InTimeExcds    =     0     icmp6InParmProblems =     0
				.
				.
ICMPv6  icmp6InMsgs         =   796     icmp6InErrors       =     0
        icmp6InDestUnreachs =     0     icmp6InAdminProhibs =     0
				.
				.
IGMP:
       2542 messages received
          0 messages received with too few bytes
          0 messages received with bad checksum
       2542 membership queries received
				.
				.

How to Control the Display Output of IPv6 Related Commands

You can control the output of the netstat and ifconfig commands by creating a file named inet_type in the /etc/default directory and specifying the value of the DEFAULT_IP variable. For more information about the inet_type, see the inet_type(4) man page.

  1. Create the /etc/default/inet_type file.

  2. Make one of the following entries, as needed.

    1. To display IPv4 information only, enter:


      DEFAULT_IP=IP_VERSION4

    2. To display both IPv4 and IPv6 information, enter:


      DEFAULT_IP=BOTH

      or


      DEFAULT_IP=IP_VERSION6
Note -

The -4 and -6 flags in ifconfig and -f flag in netstat override the value set in the inet_type file (if it exists).

Examples--Controlling Output to Select IPv4 and IPv6 Information

  • When you specify the DEFAULT_IP=BOTH or DEFAULT_IP=IP_VERSION6 variable in the inet_type file:


    % ifconfig -a
lo0: flags=1000849 mtu 8232 index 1
        inet 120.10.0.1 netmask ff000000 
le0: flags=1000843 mtu 1500 index 2
        inet 120.46.86.54 netmask ffffff00 broadcast 120.46.86.255
        ether 8:0:20:56:a8 
lo0: flags=2000849 mtu 8252 index 1
        inet6 ::1/128 
le0: flags=2000841 mtu 1500 index 2
        ether 8:0:20:56:a8 
        inet6 fe80::a00:fe73:56a8/10 
le0:1: flags=2080841 mtu 1500 index 2
        inet6 fec0::56:a00:fe73:56a8/64 
le0:2: flags=2080841 mtu 1500 index 2
        inet6 2::56:a00:fe73:56a8/64

  • When you specify the DEFAULT_IP=IP_VERSION4 variable in the inet_type file:


    % ifconfig -a
lo0: flags=849 mtu 8232
        inet 120.10.0.1 netmask ff000000 
le0: flags=843 mtu 1500
        inet 120.46.86.54 netmask ffffff00 broadcast 120.46.86.255
        ether 8:0:20:56:a8

How to Monitor Only IPv6 Network Traffic

In this procedure you use the snoop command to display all IPv6 packets.

  1. Become superuser.

  2. On the command line, type the following command.


    # snoop ip6

For more information on the snoop command, see the snoop(1M) man page.

Example--Displaying Only IPv6 Network Traffic


# snoop ip6
Using device /dev/le (promiscuous mode)
fe80::a0:a1 -> ff02::9     IPv6  S=fe80::a0:a1 D=ff02::9 LEN=892
fe80::a0:de -> fe80::a0:a8 IPv6  S=fe80::a0:de D=fe80::a0:a8 LEN=104
fe80::a0:a8 -> fe80::a0:de IPv6  S=fe80::a0:a8 D=fe80::a0:de LEN=104
fe80::a0:a1 -> ff02::9     IPv6  S=fe80::a0:a1 D=ff02::9 LEN=892
fe80::a0:de -> fe80::a0:a8 IPv6  S=fe80::a0:de D=fe80::a0:a8 LEN=104
fe80::a0:a8 -> fe80::a0:de IPv6  S=fe80::a0:a8 D=fe80::a0:de LEN=152
fe80::a0:a1 -> ff02::9     IPv6  S=fe80::a0:a1 D=ff02::9 LEN=892
fe80::a0:de -> fe80::a0:a8 IPv6  S=fe80::a0:de D=fe80::a0:a8 LEN=72
fe80::a0:a8 -> fe80::a0:de IPv6  S=fe80::a0:a8 D=fe80::a0:de LEN=72
fe80::a0:a8 -> fe80::a0:de IPv6  S=fe80::a0:a8 D=fe80::a0:de LEN=72
fe80::a0:de -> fe80::a0:a8 IPv6  S=fe80::a0:de D=fe80::a0:a8 LEN=72

How to Probe All Multihomed Host Addresses

In this procedure you use the ping command to check all addresses.

    On the command line, type the following command. 


    % ping -a ipng11
ipng11 (2::102:a00:fe79:19b0) is alive
ipng11 (fec0::102:a00:fe79:19b0) is alive
ipng11 (190.68.10.75) is alive

For more information on the ping command, see the ping(1M) man page.

How to Trace All Routes

In this procedure you use the traceroute command to trace all routes.

    On the command line, type the following command.


    % traceroute -a <hostname>

For more information on the traceroute command, see the traceroute(1M) man page.

Example--Tracing All Routes


% traceroute -a ipng11
traceroute: Warning: Multiple interfaces found; using 2::56:a0:a8 @ le0:2
traceroute to ipng11 (2::102:a00:fe79:19b0),30 hops max, 60 byte packets
 1  ipng-rout86 (2::56:a00:fe1f:59a1)  35.534 ms  56.998 ms * 
 2  2::255:0:c0a8:717  32.659 ms  39.444 ms *
 3  ipng61.Eng.apex.COM (2::103:a00:fe9a:ce7b)  401.518 ms  7.143 ms *
 4  ipng12-00 (2::100:a00:fe7c:cf35)  113.034 ms  7.949 ms *
 5  ipng11 (2::102:a00:fe79:19b0)  66.111 ms *  36.965 ms

traceroute: Warning: Multiple interfaces found; using fec0::56:a8 @ le0:1
traceroute to ipng11 (fec0::10:b0), 30 hops max, 60 byte packets
 1  ipng-rout86 (fec0::56:a00:fe1f:59a1) 96.342 ms  78.282 ms 88.327 ms
 2  ipng8-tun1 (fec0::25:0:0:c0a8:717)  268.614 ms  508.416 ms  438.774 ms
 3  ipng61.Eng.apex.COM (fec0::103:a00:fe9a:ce7b)  6.356 ms * 713.166 ms
 4  ipng12-00 (fec0::100:a00:fe7c:cf35)  7.409 ms * 122.094 ms
 5  ipng11 (fec0::102:a00:fe79:19b0)  10.620 ms * *

traceroute to ipng11.eng.apex.com (190.68.10.75),30 hops max,40 byte packets
 1  rmpj17c-086.Eng.apex.COM (120.46.86.1)  4.360 ms  3.452 ms  3.479 ms
 2  flrmpj17u.Eng.apex.COM (120.46.17.131)  4.062 ms  3.848 ms  3.505 ms
 3  ipng8.Eng.apex.COM (120.68.7.23)  4.773 ms *  4.294 ms
 4  ipng61.Eng.apex.COM (120.68.10.104)  5.128 ms  5.362 ms *
 5  ipng12-20.Eng.apex.COM (120.68.10.62)  7.298 ms  5.444 ms *
 6  ipng11.Eng.apex.COM (120.68.10.75)  8.053 ms  6.394 ms *

Configuring IPv6 Over IPv4 Tunnels

This section describes how you configure IPv6 over IPv4 tunnels.

For conceptual descriptions of tunnels, see "Solaris Tunneling Interfaces for IPv6" and "Tunneling Mechanism".

How to Configure IPv6 Over IPv4 Tunnels

  1. Become superuser.

  2. Create the file /etc/hostname6.ip.tunn (where n is 0, 1, 2, and so on) and add entries using the following steps.

    1. Add the tunnel source and tunnel destination addresses.


      tsrc IPv4-source-addr tdst IPv4-destination-addr up

    2. (Optional) Add a logical interface for the source and destination IPv6 addresses.


      addif IPv6-source-address  IPv6-destination-address up

      Omit this step if you want the address autoconfigured for this interface. You do not need to configure link-local addresses for your tunnel because they are automatically configured.

When you finish configuring the tunnels, you must reboot.

Note -

You must perform the same steps at the other end of the tunnel for bidirectional communication to occur.

If your system is to be configured as a router, you must also configure your router to advertise over tunneling interfaces before rebooting (see "How to Configure Your Router to Advertise Over Tunneling Interfaces").

Example--IPv6 Configuration File Entry to Autoconfigure IPv6 Addresses

This is an example of a tunnel for which all IPv6 addresses are autoconfigured.


tsrc 129.146.86.138 tdst 192.168.7.19 up

Example--IPv6 Configuration File Entry for Manually Configured Addresses

This is an example of a tunnel for which global and site local source and destination addresses are manually configured.


tsrc 120.46.86.138 tdst 190.68.7.19 up
addif fec0::1234:a00:fe12:528 fec0::5678:a00:20ff:fe12:1234 up
addif 2::1234:a00:fe12:528 2::5678:a00:20ff:fe12:1234 up

How to Configure Your Router to Advertise Over Tunneling Interfaces

Do the following steps for each tunnel.

  1. Become superuser.

  2. Edit the file /etc/inet/ndpd.conf and add entries using the following steps.

    1. Enable router advertisement over the tunneling interface.


      if ip.tunn AdvSendAdvertisements 1

    2. Add prefixes as needed.


      prefix interface-address ip.tunn

  3. Reboot.

Displaying IPv6 Name Service Information

This section provides procedures to display IPv6 Name Service information.

Displaying IPv6 Name Service Information Task Map

Table 17-3 Displaying IPv6 Name Service Information Task Map

Task 

Description 

For Instructions, Go to 

Display IPv6 name service information 

Displays IPv6 Name Service Information using the nslookup command.

"How to Display IPv6 Name Service Information"

Verify that DNS IPv6 PTR records were updated correctly 

Displays the DNS IPv6 PTR records using the nslookup command and the set q=PTR parameter to display.

"How to Verify That DNS IPv6 PTR Records Were Updated Correctly"

Display IPv6 information through NIS 

Displays the IPv6 information through NIS using the ypmatch command.

"How to Display IPv6 Information Through NIS"

Display IPv6 information through NIS 

Displays the IPv6 information through NIS+ using the nismatch command.

"How to Display IPv6 Information Through NIS+"

Display IPv6 information independent of name service 

Displays the IPv6 information using the getent command.

"How to Display IPv6 Information Independent of Name Service"

How to Display IPv6 Name Service Information

In this procedure, you use the nslookup command to display IPv6 name service information.

  1. On the command line, type the following command:


    % /usr/sbin/nslookup

    The default server name and address appear, followed by the nslookup command angle bracket prompt.

  2. To see information about a particular host, type the following commands at the angle bracket prompt:


    >set q=any
>host-name

  3. To see only AAAA records, type the following command at the angle bracket prompt:


    >set q=AAAA

  4. Quit the command by typing exit.

Example--Using nslookup to Display IPv6 Information


%  /usr/sbin/nslookup
Default Server:  space1999.Eng.apex.COM
Address:  120.46.168.78
> set q=any
> vallejo
Server:  space1999.Eng.apex.COM
Address:  120.46.168.78

vallejo.ipv6.eng.apex.com      IPv6 address = fec0::9256:a00:fe12:528
vallejo.ipv6.eng.apex.com      IPv6 address = 2::9256:a00:fe12:528
> exit

How to Verify That DNS IPv6 PTR Records Were Updated Correctly

In this procedure you use the nslookup command to display DNS IPv6 PTR records.

  1. On the command line, type the following command:


    % /usr/sbin/nslookup

    The default server name and address display, followed by the nslookup command angle bracket prompt.

  2. To see the PTR records, type the following command at the angle bracket prompt:


    >set q=PTR

  3. Quit the command by typing exit.

Example--Using nslook to Display PTR Records


%  /usr/sbin/nslookup
Default Server:  space1999.Eng.apex.COM
Address:  120.46.168.78
> set q=PTR
> 8.2.5.0.2.1.e.f.f.f.0.2.0.0.a.0.6.5.2.9.0.0.0.0.0.0.0.0.2.0.0.0.ip6.int

8.2.5.0.2.1.e.f.f.f.0.2.0.0.a.0.6.5.2.9.0.0.0.0.0.0.0.0.2.0.0.0.ip6.int name = 
vallejo.ipv6.Eng.apex.COM
ip6.int nameserver = space1999.Eng.apex.COM
> exit

How to Display IPv6 Information Through NIS

In this procedure you use the ypmatch command to display IPv6 information through NIS.

    On the command line, type the following command:


    % ypmatch host-name ipnodes.byname

    The information about host-name displays.

Example 17-1 Example--Using ypmatch to Display IPv6 Information Through NIS


% ypmatch vallejo ipnodes.byname
fec0::9256:a00:20ff:fe12:528    vallejo
2::9256:a00:20ff:fe12:528       vallejo

How to Display IPv6 Information Through NIS+

In this procedure you use the nismatch command to display IPv6 information through NIS.

    On the command line, type the following command:


    % nismatch host-name ipnodes.org-dir

    The information about host-name displays.

Example 17-2 Example--Using nismatch to Display IPv6 Information Through NIS+


% nismatch vallejo ipnodes.org_dir
vallejo vallejo fec0::9256:a00:20ff:fe12:528 
vallejo vallejo 2::9256:a00:20ff:fe12:528

How to Display IPv6 Information Independent of Name Service

    On the command line, type the following command:


    % getent ipnodes host-name

    The information about host-name displays.

Example 17-3 Example--Using getent to Display IPv6 Information Independent of Name Service


% getent ipnodes vallejo
2::56:a00:fe87:9aba        vallejo vallejo
fec0::56:a00:fe87:9aba     vallejo vallejo