IPv6
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2010-09-09T23:56:26Z
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IPv6 over Frame-Relay configuration sample
2009-11-07T02:08:11Z
2009-11-07T02:08:11Z
http://cisconet.com/tcpip/ipv6/485-ipv6-over-frame-relay-configuration-sample.html
CiscoNET
contactus@wirethink.com
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">In this example, two routers are connected thru Frame-relay switch. Global-unicast IPv6 address is 2001:CC1E:1:2::/64 + EUI-64. DLCI numbers are 102 and 201 to each router. </span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Assigning IP on Serial1/0 of Cisco router is named "IPv6_Frame-Relay".</span></p>
<p><span style="color: rgb(0, 0, 0);"> </span></p>
<h2>[ Frame-Relay Multi-point ]</h2>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(config)# interface serial1/0<br />
IPv6_Frame-Relay(config-if)# <strong>ipv6 address 2001:cc1e:1:2::/64 eui-64 </strong><br />
IPv6_Frame-Relay(config-if)# </span><strong><span style="color: rgb(0, 0, 255);">frame-relay map ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 102 </span></strong><br />
</span></p>
<p style="margin-left: 40px;"><span style="background-color: rgb(255, 255, 0);"><span style="color: rgb(0, 0, 0);"><strong><span style="color: rgb(0, 0, 255);">** broadcast is not used on IPv6, so it is omitted.</span></strong></span></span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">interface Serial1/0<br />
no ip address<br />
encapsulation frame-relay<br />
ipv6 address 2001:CC1E:1:2::/64 eui-64<br />
serial restart-delay 0<br />
frame-relay map ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 102 broadcast<br />
end</span><br />
</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking Frame-Relay PVC map <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay# <strong>show frame-relay map</strong><br />
Serial1/0 (up): ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 dlci 102(0x66,0x1860), static,<br />
broadcast,<br />
CISCO, status defined, active</span><br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking IPv6 address set on Serial1/0</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span><span># show ipv6 int bri<br />
<br />
Serial1/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
</span></span><strong><span style="color: rgb(0, 0, 255);"><span>2001:CC1E:1:2:CE00:3BFF:FE85:0</span></span></strong><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_</span><span>Router# <strong>ping ipv6 2001:CC1E:1:2:CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001:CC1E:1:2:CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms<br />
</span></span></p>
<h2> [ Frame-Relay Point-to-point ]</h2>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(config)# <strong>interface serial1/0.1 point-to-point</strong><br />
IPv6_Frame-Relay(config-subif)# <strong>ipv6 address 2001:CC1E:1:2::/64 eui-64</strong><br />
</span></span><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(</span></span><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">config-subif)# <strong>frame-relay interface-dlci 102</strong><br />
</span></span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Running config on router " IPv6_Frame-Relay"</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">interface Serial1/0<br />
no ip address<br />
encapsulation frame-relay<br />
serial restart-delay 0<br />
<br />
interface Serial1/0.1 point-to-point<br />
snmp trap link-status<br />
ipv6 address 2001:CC1E:1:2::/64 eui-64<br />
frame-relay interface-dlci 102 <br />
end</span><br />
</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span>#<strong> show frame-relay map</strong><br />
Serial1/0.1 (up): point-to-point dlci, dlci 102(0x66,0x1860), broadcast<br />
status defined, active<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking IPv6 address set on Serial1/0</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span><span># show ipv6 int bri<br />
<br />
Serial1/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
</span></span><strong><span style="color: rgb(0, 0, 255);"><span>2001:CC1E:1:2:CE00:3BFF:FE85:0</span></span></strong><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">IPv6_Cisco_R2# <strong>ping ipv6 2001:CC1E:1:2:CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001:CC1E:1:2:CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/8 ms<br />
</span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">In this example, two routers are connected thru Frame-relay switch. Global-unicast IPv6 address is 2001:CC1E:1:2::/64 + EUI-64. DLCI numbers are 102 and 201 to each router. </span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Assigning IP on Serial1/0 of Cisco router is named "IPv6_Frame-Relay".</span></p>
<p><span style="color: rgb(0, 0, 0);"> </span></p>
<h2>[ Frame-Relay Multi-point ]</h2>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(config)# interface serial1/0<br />
IPv6_Frame-Relay(config-if)# <strong>ipv6 address 2001:cc1e:1:2::/64 eui-64 </strong><br />
IPv6_Frame-Relay(config-if)# </span><strong><span style="color: rgb(0, 0, 255);">frame-relay map ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 102 </span></strong><br />
</span></p>
<p style="margin-left: 40px;"><span style="background-color: rgb(255, 255, 0);"><span style="color: rgb(0, 0, 0);"><strong><span style="color: rgb(0, 0, 255);">** broadcast is not used on IPv6, so it is omitted.</span></strong></span></span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">interface Serial1/0<br />
no ip address<br />
encapsulation frame-relay<br />
ipv6 address 2001:CC1E:1:2::/64 eui-64<br />
serial restart-delay 0<br />
frame-relay map ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 102 broadcast<br />
end</span><br />
</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking Frame-Relay PVC map <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay# <strong>show frame-relay map</strong><br />
Serial1/0 (up): ipv6 2001:CC1E:1:2:CE01:3BFF:FE85:0 dlci 102(0x66,0x1860), static,<br />
broadcast,<br />
CISCO, status defined, active</span><br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking IPv6 address set on Serial1/0</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span><span># show ipv6 int bri<br />
<br />
Serial1/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
</span></span><strong><span style="color: rgb(0, 0, 255);"><span>2001:CC1E:1:2:CE00:3BFF:FE85:0</span></span></strong><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_</span><span>Router# <strong>ping ipv6 2001:CC1E:1:2:CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001:CC1E:1:2:CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms<br />
</span></span></p>
<h2> [ Frame-Relay Point-to-point ]</h2>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(config)# <strong>interface serial1/0.1 point-to-point</strong><br />
IPv6_Frame-Relay(config-subif)# <strong>ipv6 address 2001:CC1E:1:2::/64 eui-64</strong><br />
</span></span><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">IPv6_Frame-Relay(</span></span><span style="color: rgb(0, 0, 0);"><span style="color: rgb(0, 0, 255);">config-subif)# <strong>frame-relay interface-dlci 102</strong><br />
</span></span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Running config on router " IPv6_Frame-Relay"</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">interface Serial1/0<br />
no ip address<br />
encapsulation frame-relay<br />
serial restart-delay 0<br />
<br />
interface Serial1/0.1 point-to-point<br />
snmp trap link-status<br />
ipv6 address 2001:CC1E:1:2::/64 eui-64<br />
frame-relay interface-dlci 102 <br />
end</span><br />
</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span>#<strong> show frame-relay map</strong><br />
Serial1/0.1 (up): point-to-point dlci, dlci 102(0x66,0x1860), broadcast<br />
status defined, active<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Checking IPv6 address set on Serial1/0</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>IPv6_Frame-Relay</span><span># show ipv6 int bri<br />
<br />
Serial1/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
</span></span><strong><span style="color: rgb(0, 0, 255);"><span>2001:CC1E:1:2:CE00:3BFF:FE85:0</span></span></strong><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"> </p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">IPv6_Cisco_R2# <strong>ping ipv6 2001:CC1E:1:2:CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001:CC1E:1:2:CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/8 ms<br />
</span></p>
<p style="margin-left: 40px;"> </p>
Global-unicast IPv6 address
2009-11-07T01:36:44Z
2009-11-07T01:36:44Z
http://cisconet.com/tcpip/ipv6/484-global-unicast-ipv6-address.html
CiscoNET
contactus@wirethink.com
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">A global-unicast IPv6 address is start with binary 001, 2000::/3 and it also known as an aggregatable global IPv6 address. Full global-unicast IPv6 address range is from 2000::/3~3FFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF/128. <br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6_1(config)#</span><strong> </strong>interface fastethernet0/0<br />
<span>Cisco_IPv6_1(config-if)# <strong>ipv6 address 2001::/64 eui-64 </strong><br />
<br />
</span><span>Cisco_IPv6_1</span><span># show ipv6 interface brief <br />
FastEthernet0/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
<strong>2001::CE00:3BFF:FE85:0</strong><br />
FastEthernet0/1 [administratively down/down]<br />
</span></span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router.</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6_1</span><span># <strong>ping 2001::CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001::CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/4 ms<br />
</span></span><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">A global-unicast IPv6 address is start with binary 001, 2000::/3 and it also known as an aggregatable global IPv6 address. Full global-unicast IPv6 address range is from 2000::/3~3FFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF/128. <br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6_1(config)#</span><strong> </strong>interface fastethernet0/0<br />
<span>Cisco_IPv6_1(config-if)# <strong>ipv6 address 2001::/64 eui-64 </strong><br />
<br />
</span><span>Cisco_IPv6_1</span><span># show ipv6 interface brief <br />
FastEthernet0/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
<strong>2001::CE00:3BFF:FE85:0</strong><br />
FastEthernet0/1 [administratively down/down]<br />
</span></span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router.</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6_1</span><span># <strong>ping 2001::CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to 2001::CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 0/3/4 ms<br />
</span></span><span style="color: rgb(0, 0, 0);"><br />
</span></p>
Site-local IPv6 Address
2009-11-07T01:16:05Z
2009-11-07T01:16:05Z
http://cisconet.com/tcpip/ipv6/483-site-local-ipv6-address.html
CiscoNET
contactus@wirethink.com
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Site-local IPv6 address is similar to private IPv4 address defined in RFC 1918. This site-local address is for private network. It cannot be used on public IPv6 network, only routable within private network. Site-local IPv6 address is started with <span style="background-color: rgb(255, 255, 0);">1111 1110 11</span>00, is denoted as FEC0::/10. <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">To prevent Site-local IPv6 address on public, you can filter FEC0:10 on your egress filtering of WAN link.<br />
</span></p>
<p><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">Cisco_IPv6_1(config)# interface fastethernet0/0<br />
Cisco_IPv6_1(config-if)#<strong> ipv6 address FEC0::/64 eui-64 </strong><br />
<br />
Cisco_IPv6_1# show ipv6 interface brief<br />
FastEthernet0/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
<strong>FEC0::CE00:3BFF:FE85:0</strong><br />
FastEthernet0/1 [administratively down/down]</span><span style="color: rgb(0, 0, 0);"><br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6</span>_2# <strong>ping ipv6 FEC0::CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to FEC0::CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms</span><br />
</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Site-local IPv6 address is similar to private IPv4 address defined in RFC 1918. This site-local address is for private network. It cannot be used on public IPv6 network, only routable within private network. Site-local IPv6 address is started with <span style="background-color: rgb(255, 255, 0);">1111 1110 11</span>00, is denoted as FEC0::/10. <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">To prevent Site-local IPv6 address on public, you can filter FEC0:10 on your egress filtering of WAN link.<br />
</span></p>
<p><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);">Cisco_IPv6_1(config)# interface fastethernet0/0<br />
Cisco_IPv6_1(config-if)#<strong> ipv6 address FEC0::/64 eui-64 </strong><br />
<br />
Cisco_IPv6_1# show ipv6 interface brief<br />
FastEthernet0/0 [up/up]<br />
FE80::CE00:3BFF:FE85:0<br />
<strong>FEC0::CE00:3BFF:FE85:0</strong><br />
FastEthernet0/1 [administratively down/down]</span><span style="color: rgb(0, 0, 0);"><br />
<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">Pinging to site-local IPv6 address from other site of router</span>.</p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 255);"><span>Cisco_IPv6</span>_2# <strong>ping ipv6 FEC0::CE00:3BFF:FE85:0</strong><br />
<br />
Type escape sequence to abort.<br />
Sending 5, 100-byte ICMP Echos to FEC0::CE00:3BFF:FE85:0, timeout is 2 seconds:<br />
!!!!!<br />
Success rate is 100 percent (5/5), round-trip min/avg/max = 4/4/4 ms</span><br />
</p>
Link-local IPv6 Address
2009-11-06T15:53:21Z
2009-11-06T15:53:21Z
http://cisconet.com/tcpip/ipv6/482-link-local-ipv6-address.html
CiscoNET
contactus@wirethink.com
<p><span style="color: rgb(0, 0, 0);">A link-local IPv6 address is begging with the bit pattern <span style="background-color: rgb(255, 255, 0);">1111 1110 10</span>00 0000 or FE80::10. Link-local means packets sourced from or destined to a link-local address cannot leave the local link. Link-local address is used for detecting duplicated IPv6 address with ICMPv6 neighbor discovery protocol in order to communicate with devices which don't have global unicast address. <br />
</span></p>
<p><span style="color: rgb(0, 0, 0);">Link-local address is automatically generated by below actions. Link-local IPv6 address format is FE80::/64 + EUI-64 host address.<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">1. IPv6 enable command<br />
2. Configuring global unicast IPv6 address <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p><span style="color: rgb(0, 0, 0);">Of course link-local address can be manually configured with link-local option on the end of IPv6 address interface level command.<br />
</span></p>
<p><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p> </p>
<p><span style="color: rgb(0, 0, 0);">A link-local IPv6 address is begging with the bit pattern <span style="background-color: rgb(255, 255, 0);">1111 1110 10</span>00 0000 or FE80::10. Link-local means packets sourced from or destined to a link-local address cannot leave the local link. Link-local address is used for detecting duplicated IPv6 address with ICMPv6 neighbor discovery protocol in order to communicate with devices which don't have global unicast address. <br />
</span></p>
<p><span style="color: rgb(0, 0, 0);">Link-local address is automatically generated by below actions. Link-local IPv6 address format is FE80::/64 + EUI-64 host address.<br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);">1. IPv6 enable command<br />
2. Configuring global unicast IPv6 address <br />
</span></p>
<p style="margin-left: 40px;"><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p><span style="color: rgb(0, 0, 0);">Of course link-local address can be manually configured with link-local option on the end of IPv6 address interface level command.<br />
</span></p>
<p><span style="color: rgb(0, 0, 0);"><br />
</span></p>
<p> </p>
IPv6 addressing install guide for windows XP and Vista
2009-05-05T21:14:22Z
2009-05-05T21:14:22Z
http://cisconet.com/tcpip/ipv6/112-ipv6-addressing-install-guide-for-windows-xp-and-vista.html
CiscoNET
contactus@wirethink.com
<p><font face="Tahoma " size="2">For the windows systems, no IPv6 software installation is necessary, but IPv6 stack should be enable to use IPv6 addressing. The procedure is quite simple enough see below. Below procedure will dectate how to install/enable and uninstall IPv6 on Windows XP and Vista respectively.</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><span style="font-size: 16px;"><strong>1.</strong></span> Install/enable IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">Open DOS window by [window key + 'R']</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "<font color="#0000ff">netsh interface ipv6 install</font>"</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">To verify, type "i<font color="#0000ff">pconfig</font>"</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "netsh" and "netsh>interface>ipv6>show interface" or </font><font face="Tahoma " size="2">"netsh>interface>ipv6>show address"</font></p>
<p> </p>
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><strong><span style="font-size: 16px;">2.</span></strong> Uninstall IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">Open DOS window by [window key + 'R']</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "<font color="#0000ff">netsh interface ipv6 uninstall</font>"</font><font face="Tahoma " size="2"><br />
</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">To verify, type "i<font color="#0000ff">pconfig</font>"</font><font size="2"><br />
</font></p>
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><span style="font-size: 16px;"><strong>3.</strong></span> Install/enable IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><strong><span style="font-size: 16px;"><font face="Tahoma ">4.</font></span></strong><font face="Tahoma " size="2"> Uninstall IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"> </p>
<p><font face="Tahoma " size="2">For the windows systems, no IPv6 software installation is necessary, but IPv6 stack should be enable to use IPv6 addressing. The procedure is quite simple enough see below. Below procedure will dectate how to install/enable and uninstall IPv6 on Windows XP and Vista respectively.</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><span style="font-size: 16px;"><strong>1.</strong></span> Install/enable IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">Open DOS window by [window key + 'R']</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "<font color="#0000ff">netsh interface ipv6 install</font>"</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">To verify, type "i<font color="#0000ff">pconfig</font>"</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "netsh" and "netsh>interface>ipv6>show interface" or </font><font face="Tahoma " size="2">"netsh>interface>ipv6>show address"</font></p>
<p> </p>
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><strong><span style="font-size: 16px;">2.</span></strong> Uninstall IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">Open DOS window by [window key + 'R']</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">From DOS prompt, type "<font color="#0000ff">netsh interface ipv6 uninstall</font>"</font><font face="Tahoma " size="2"><br />
</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">To verify, type "i<font color="#0000ff">pconfig</font>"</font><font size="2"><br />
</font></p>
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><span style="font-size: 16px;"><strong>3.</strong></span> Install/enable IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"><strong><span style="font-size: 16px;"><font face="Tahoma ">4.</font></span></strong><font face="Tahoma " size="2"> Uninstall IPv6 stack on Windows XP</font></p>
<p style="margin-left: 40px;"> </p>
EUI-64 IPv6 addressing for interface ID
2009-05-05T21:09:49Z
2009-05-05T21:09:49Z
http://cisconet.com/tcpip/ipv6/111-eui-64-ipv6-addressing-for-interface-id.html
CiscoNET
contactus@wirethink.com
<p><font face="Tahoma " size="2">IPv6 address is consist of two parts, network ID is the first and the interface ID is following part. The interface ID of IPv6 address is automatically generated using MAC address. In general, a MAC address can be splitted into 3bytes for 24bit-Organizationally Unique Identifier (OUI) and 3bytes for Network Interface Controller(NIC) specific. See below fomula;</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><font color="#3366ff"><font color="#0000ff"><strong>Interface ID = 24bit-OUI + 0xFE or 0xFF + 24bit-NIC(vendor specific)</strong></font></font></font></p>
<p><font face="Tahoma " size="2">However, see below inconsistency</font><font face="Tahoma " size="2">. Output of IPv6 addressing is unexpected, </font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">NIC MAC : 02-e0-19-df-d2-5f<br />
IP : 192.168.0.1<br />
IPv6 IP : fe80::e0:19ff:fedf:d25f - fe80:0000:0000:0000:00e0:19ff:fedf:d25f</font></p>
<p><font face="Tahoma " size="2">By formula, the interface ID should be 02e0:18ff:fedf:d25f, but it is shown 00e0:19ff:fedf:d25f<br />
</font> <font face="Tahoma " size="2">Why?</font> <font face="Tahoma " size="2">Here is why, </font><<font face="Tahoma " size="2">If it's local address, half of first octect will be 00000000(0x00) among 64bits interface ID </font> <font face="Tahoma " size="2">If it's global address, half of first octect will be 00000010(0x02) among 64bits interface ID</font> <font face="Tahoma " size="2">So, from the example</font> <font face="Tahoma " size="2"><span style="background-color: rgb(255, 255, 0);">02</span> = 00000000 <u><font color="#0000ff">00000010</font></u><span class="m-tcol-c"> ==> <span style="background-color: rgb(255, 255, 0);">00</span> = 00000000 <u><font color="#0000ff">00000000</font></u></span></font> <font face="Tahoma " size="2"><span class="m-tcol-c"><span style="background-color: rgb(255, 255, 0);">00</span>e0:19ff:fedf:d25f</span></font> <font face="Tahoma " size="2">Another example, if first 24 bit of MAC is 62-33-21, interface ID will be 6033:21ff:fe....</font></p>
<p><font face="Tahoma " size="2">IPv6 address is consist of two parts, network ID is the first and the interface ID is following part. The interface ID of IPv6 address is automatically generated using MAC address. In general, a MAC address can be splitted into 3bytes for 24bit-Organizationally Unique Identifier (OUI) and 3bytes for Network Interface Controller(NIC) specific. See below fomula;</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2"><font color="#3366ff"><font color="#0000ff"><strong>Interface ID = 24bit-OUI + 0xFE or 0xFF + 24bit-NIC(vendor specific)</strong></font></font></font></p>
<p><font face="Tahoma " size="2">However, see below inconsistency</font><font face="Tahoma " size="2">. Output of IPv6 addressing is unexpected, </font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">NIC MAC : 02-e0-19-df-d2-5f<br />
IP : 192.168.0.1<br />
IPv6 IP : fe80::e0:19ff:fedf:d25f - fe80:0000:0000:0000:00e0:19ff:fedf:d25f</font></p>
<p><font face="Tahoma " size="2">By formula, the interface ID should be 02e0:18ff:fedf:d25f, but it is shown 00e0:19ff:fedf:d25f<br />
</font> <font face="Tahoma " size="2">Why?</font> <font face="Tahoma " size="2">Here is why, </font><<font face="Tahoma " size="2">If it's local address, half of first octect will be 00000000(0x00) among 64bits interface ID </font> <font face="Tahoma " size="2">If it's global address, half of first octect will be 00000010(0x02) among 64bits interface ID</font> <font face="Tahoma " size="2">So, from the example</font> <font face="Tahoma " size="2"><span style="background-color: rgb(255, 255, 0);">02</span> = 00000000 <u><font color="#0000ff">00000010</font></u><span class="m-tcol-c"> ==> <span style="background-color: rgb(255, 255, 0);">00</span> = 00000000 <u><font color="#0000ff">00000000</font></u></span></font> <font face="Tahoma " size="2"><span class="m-tcol-c"><span style="background-color: rgb(255, 255, 0);">00</span>e0:19ff:fedf:d25f</span></font> <font face="Tahoma " size="2">Another example, if first 24 bit of MAC is 62-33-21, interface ID will be 6033:21ff:fe....</font></p>
IPv6 header VS. IPv4 header
2009-05-05T21:05:48Z
2009-05-05T21:05:48Z
http://cisconet.com/tcpip/ipv6/110-ipv6-header-vs-ipv4-header.html
CiscoNET
contactus@wirethink.com
<div align="center">
<p> </p>
<p><img height="395" width="355" align="bottom" src="http://cisconet.com/images/stories/users/ipv4_header.png" alt="" /></p>
<p> </p>
<p><img height="395" width="355" align="bottom" src="http://cisconet.com/images/stories/users/ipv6_header.png" alt="" /></p>
<p> </p>
</div>
<p> </p>
<div align="center">
<p> </p>
<p><img height="395" width="355" align="bottom" src="http://cisconet.com/images/stories/users/ipv4_header.png" alt="" /></p>
<p> </p>
<p><img height="395" width="355" align="bottom" src="http://cisconet.com/images/stories/users/ipv6_header.png" alt="" /></p>
<p> </p>
</div>
<p> </p>
IPv6 Allocation size
2009-05-05T21:04:11Z
2009-05-05T21:04:11Z
http://cisconet.com/tcpip/ipv6/109-ipv6-allocation-size.html
CiscoNET
contactus@wirethink.com
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>2003::/3</strong> ; is reserved for global unicast</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/12</strong> is allocated from IANA to RIRs</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/32</strong> is allocated from RIRs to ISPs</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/48</strong> is allocated from ISPs to end-sites<br />
</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">* RIR approval is required for ISPs to allocate multiple /48s to single site</font><br />
<font face="Tahoma " size="2">** <strong>/64</strong> can be allocated if single site only requires one subnet</font><br />
<font face="Tahoma " size="2">*** <strong>/128</strong> can be allocated if end site requires only one IP address</font><</p>
<p> </p>
<p> </p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>2003::/3</strong> ; is reserved for global unicast</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/12</strong> is allocated from IANA to RIRs</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/32</strong> is allocated from RIRs to ISPs</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">- <strong>/48</strong> is allocated from ISPs to end-sites<br />
</font></p>
<p style="margin-left: 40px;"><font face="Tahoma " size="2">* RIR approval is required for ISPs to allocate multiple /48s to single site</font><br />
<font face="Tahoma " size="2">** <strong>/64</strong> can be allocated if single site only requires one subnet</font><br />
<font face="Tahoma " size="2">*** <strong>/128</strong> can be allocated if end site requires only one IP address</font><</p>
<p> </p>