Difference between revisions of "IPv6 Windows7"
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Latest revision as of 23:29, 4 January 2019
Some Windows 7 DOS prompt commands which may aid IPv6 connectivity debug.
Instigating A Command prompt Window with Adminstrator Privileges
In the normal Start button Search field type cmd and then hit Ctrl+Shift+Enter instead of just Enter. This will bring up a User Account Control Dialogue - click yes to run the command prompt with Administrator Privileges.
Disable IPv6 Privacy Addresses
In a Command Prompt with Administrator Privileges type:
C:\Windows\system32>netsh interface ipv6 set global randomizeidentifiers=disabled store=persistent Ok. C:\Windows\system32>
To re-renable them use:
netsh interface ipv6 set global randomizeidentifiers=enabled
General IPv6 Packet Statistics
C:\Users\>netsh interface ipv6 show ipstats MIB-II IP Statistics ------------------------------------------------------ Forwarding is: Disabled Default TTL: 128 In Receives: 41 In Header Errors: 0 In Address Errors: 0 Datagrams Forwarded: 0 In Unknown Protocol: 0 In Discarded: 18 In Delivered: 221 Out Requests: 309 Routing Discards: 0 Out Discards: 6 Out No Routes: 0 Reassembly Timeout: 60 Reassembly Required: 0 Reassembled Ok: 0 Reassembly Failures: 0 Fragments Ok: 0 Fragments Failed: 0 Fragments Created: 0
Display IPv6 enabled interfaces
C:\Users>netsh interface ipv6 show interfaces Idx Met MTU State Name --- ---------- ---------- ------------ --------------------------- 1 50 4294967295 connected Loopback Pseudo-Interface 1 10 10 1280 connected Local Area Connection 16 20 1500 connected VirtualBox Host-Only Network
Display Assigned IPv6 Addresses
C:\Users>netsh interface ipv6 show addresses Interface 1: Loopback Pseudo-Interface 1 Addr Type DAD State Valid Life Pref. Life Address --------- ----------- ---------- ---------- ------------------------ Other Preferred infinite infinite ::1 Interface 10: Local Area Connection Addr Type DAD State Valid Life Pref. Life Address --------- ----------- ---------- ---------- ------------------------ Temporary Preferred 23h59m59s 3h59m59s 2www:xxx:yyyy:zzzz:aaaa:bbbb:cccc:dddd Public Preferred 23h59m59s 3h59m59s 2www:xxx:yyyy:zzzz:eeee:ffff:fe00:1111 Other Preferred infinite infinite fe80::2222:33ff:fe44:5555%10
Display the IPv6 DNS servers
C:\Users>netsh interface ipv6 show dnsservers
Configuration for interface "Local Area Connection"
DNS servers configured through DHCP: None
Register with which suffix: Primary only
Configuration for interface "Loopback Pseudo-Interface 1"
Statically Configured DNS Servers: fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
Register with which suffix: Primary only
IPv6 Privacy Address parameters
C:\Users>netsh interface ipv6 show privacy Querying active state... Temporary Address Parameters --------------------------------------------- Use Temporary Addresses : enabled Duplicate Address Detection Attempts: 5 Maximum Valid Lifetime : 7d Maximum Preferred Lifetime : 1d Regenerate Time : 5s Maximum Random Time : 10m Random Time : 0s
IPv6 Neighbours
C:\Users>netsh interface ipv6 show neighbors Interface 1: Loopback Pseudo-Interface 1 Internet Address Physical Address Type -------------------------------------------- ----------------- ----------- ff02::c Permanent ff02::16 Permanent ff02::fb Permanent ff02::1:2 Permanent Interface 10: Local Area Connection Internet Address Physical Address Type -------------------------------------------- ----------------- ----------- 2www:xxx:yyyy:zzzz::1 00-aa-bb-cc-dd-ee Stale (Router) fe80::xxx:yyff:fezz:0000 00-00-11-22-33-44 Stale (Router) ff02::2 33-33-00-00-00-02 Permanent ff02::c 33-33-00-00-00-0c Permanent ff02::16 33-33-00-00-00-16 Permanent ff02::fb 33-33-00-00-00-fb Permanent ff02::1:2 33-33-00-01-00-02 Permanent ff02::1:3 33-33-00-01-00-03 Permanent ff02::1:ff00:1 33-33-ff-00-00-01 Permanent ff02::1:ff01:5207 33-33-ff-01-52-07 Permanent ff02::1:ff6a:6477 33-33-ff-6a-64-77 Permanent ff02::1:ff8e:15f8 33-33-ff-8e-15-f8 Permanent
IPv6 Router Advertised Prefixes
C:\Users\>netsh interface ipv6 show siteprefixes Prefix Lifetime Interface ------------------------ ------------ ------------------------------ 2www:xxx:yyyy:zzzz::/64 2d Local Area Connection
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