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== IPv6 Over IPv4  ==
#WEITERLEITUNG [[6over4]]
In dieser Lektion '''IPv6-Tunnelkonfiguration''' lernen Sie, wie man '''IPv6 über IPv4-Tunnel''' manuell konfiguriert. Wie Sie wissen, brauchen wir für den Übergang von [https://ipcisco.com/lesson/ip-addressing-ipv4/ IPv4] zu IPv6 manchmal eine Übergangslösung. Die Konfiguration von '''IPv4 Tunnel für IPv6''' auf Dual-Stack-Routern ist ebenfalls eine vorübergehende Lösung während des [https://ipcisco.com/lesson/ipv6-address/ IPv6] Übergangs.
[[Kategorie:Glossar]]
 
Für unser '''IPv6 over IPv4 Tunnel'''-Konfigurationsbeispiel werden wir die untenstehende einfache Topologie verwenden. Wie Sie in dieser Topologie sehen können, gibt es zwei Seiten, die [https://ipcisco.com/lesson/ipv6-address/ IPv6-fähig] sind. Wir bauen '''Manual''' '''Tunnel''' zwischen diesen beiden IPv6-Seiten. Auf diese Weise stellen wir die Kommunikation zwischen den beiden Standorten sicher.
 
Wie bereits erwähnt, ist dies eine vorübergehende Lösung für ein '''IPv6-fähiges''' Netzwerk. Mit anderen Worten, dies ist nicht die endgültige Architektur für ein IPv6-Netz. Aber auf dem Weg zu einer solchen Architektur können wir den '''Manuellen IPv6-über-IPv4-Tunnel''' verwenden. Neben dieser Technik gibt es auch andere Techniken, die wir für diesen Zweck verwenden können. Diese Techniken sind unten aufgeführt:
 
* '''Manual'''
* '''GRE'''
* '''IPv4- compatible'''
* '''6to4'''
* '''6RD'''
* '''ISATAP'''
 
Hier werden wir die '''Manuelle Tunnel''' '''Konfiguration''' vornehme: [https://ipcisco.com/lesson/ipv6-configuration-on-cisco-packet-tracer/ IPv6 configuration].
 
== Configuration Steps ==
=== Creating Tunnel ===
Der erste Schritt der '''manuellen''' '''IPv6 over IPv4 Tunnel''' Konfiguration ist die Erstellung des Tunnels. Um dies zu tun, erstellen wir den Tunnel mit der Tunnelnummer mit dem Befehl "'''interface tunnel tunnel-number'''". Unsere Tunnelnummer ist '''10''' für diese Konfiguration.
 
Router 1# '''configure terminal'''
Router 1(config)# '''interface tunnel 10'''
 
=== Adding IPv6 Address to the Interface ===
Then, we will add '''IPv6 address''' to this interface. We can do this manually or with '''IPv6 EUI-64 format'''. Below, we will set IPv6 address manually.
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''ipv6 address 2001:111:222:333::1/127'''</div>
 
=== Setting Tunnel Source and Destination Address ===
After setting IPv6 address of the tunnel, we will set source and destination IPv4 addresses of the physical address. We can also use '''IPv4 enabled interface name''' here. Here, we will use Gigabit Ethernet 0/0/0 interface of the router as source and the IPv4 address of the destination interface as tunnel destination address.
 
The format of tunnel source command is given below:
 
'''tunnel source {ip-address | ipv6-address | interface-type interface-number}'''
 
The format of tunnel destination command is gven below:
 
'''tunnel destination {host-name | ip-address | ipv6-address}'''
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel source GigabitEthernet 0/0/0'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel destination 192.168.1.1'''</div>
 
=== Setting Tunnel Mode ===
The last step to configure '''manual''' '''IPv6 Over IPv4 tunnel configuration''' is, setting the tunnel mode. Here, we can set other tunnel modes also but here, we are configuring '''Manual IPv6 Tunnel'''. So, we will select “'''ipv6ip'''” mode.
 
The format of this command is given below:
 
tunnel mode {aurp | cayman | dvmrp | eon | gre| gre multipoint | gre ipv6 | ipip [decapsulate-any] | iptalk | ipv6 | mpls | nos
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel mode ipv6ip'''</div>
 
The complete commands will be like below on '''Router 1''':
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1# '''configure terminal'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config)# '''interface tunnel 10'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''ipv6 address 2001:111:222:333::1/127'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel source GigabitEthernet 0/0/0'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel destination 192.168.1.1'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''tunnel mode ipv6ip'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1(config-if)# '''end'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1# '''write'''</div>
 
=== IPv6 Over IPv4 GRE Tunnel Configuration on Router 2 ===
Now we will do this '''Manual''' '''IPv6 over IPv4 Tunnel Configuration''' on Roouter 2.
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2# '''configure terminal'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config)# '''interface tunnel 10'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config-if)# '''ipv6 address 2001:111:222:333::2/127'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config-if)# '''tunnel source GigabitEthernet 0/0/0'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config-if)# '''tunnel destination 192.168.1.2'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config-if)# '''tunnel mode ipv6ip'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2(config-if)# '''end'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2# '''write'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">&nbsp;</div>
 
=== Manual IPv6 Over IPv4 Tunnel Verification ===
To verify our manual IPv6 over IPv4 tunnel configuration, we will use “'''show tunnel interface'''” command. This ommand will give us the detailed information about the tunnel interface.
 
<div style="margin-left:1cm;margin-right:1cm;">Router 1# '''show tunnel interface'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Tunnel0</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Mode:GRE/IP, Destination 192.168.1.2, Source 192.168.1.1</div>
 
<div style="margin-left:1cm;margin-right:1cm;">IP transport: output interface GigabitEthernet 0/0/0 next hop 192.168.1.2</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Application ID 1: unspecified</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Linestate – current up</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Internal linestate – current up, evaluated up</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Tunnel Source Flags: Local</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Transport IPv4 Header DF bit cleared</div>
 
<div style="margin-left:1cm;margin-right:1cm;">OCE: IP tunnel decap</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Provider: interface Tu0, prot 47</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Performs protocol check [47]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Protocol Handler: GRE: opt 0x0</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: ipv4 [ipv4 dispatcher: punt]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: ipv6 [ipv6 dispatcher: from if Tu0]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: mpls [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: otv [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: generic [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the EON IP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the IPinIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the NOSIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the IPv6inIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the RBSCP/IP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Router 2# '''show tunnel interface'''</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Tunnel0</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Mode:GRE/IP, Destination 192.168.1.1, Source 192.168.1.2</div>
 
<div style="margin-left:1cm;margin-right:1cm;">IP transport: output interface GigabitEthernet 0/0/0 next hop 192.168.1.1</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Application ID 1: unspecified</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Linestate – current up</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Internal linestate – current up, evaluated up</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Tunnel Source Flags: Local</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Transport IPv4 Header DF bit cleared</div>
 
<div style="margin-left:1cm;margin-right:1cm;">OCE: IP tunnel decap</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Provider: interface Tu0, prot 47</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Performs protocol check [47]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">Protocol Handler: GRE: opt 0x0</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: ipv4 [ipv4 dispatcher: punt]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: ipv6 [ipv6 dispatcher: from if Tu0]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: mpls [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: otv [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">ptype: generic [mpls dispatcher: drop]</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the EON IP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the IPinIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the NOSIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the IPv6inIP protocol</div>
 
<div style="margin-left:1cm;margin-right:1cm;">There are 0 tunnels running over the RBSCP/IP protocol</div>
 
[https://ipcisco.com/lesson/manual-ipv6-over-ipv4-tunnel-config/ https://ipcisco.com/lesson/manual-ipv6-over-ipv4-tunnel-config/]
 
 
 
[https://ipcisco.com/cisco-packet-tracer-configuration-examples/ DOWNLOAD Cisco Packet Tracer Configurations]
 
 
'''Test Your&nbsp; IPv6 Knowledge With [https://ipcisco.com/ipv6-quizes/ IPv6 Questions and Answers]!'''
 
[[Kategorie:IPv6/Tunnel]]
[[Kategorie:tmp]]

Aktuelle Version vom 29. Mai 2025, 11:39 Uhr

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