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UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling
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UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling

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UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling

UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling

06 Jan, 2014
SAKURA Internet Research Center
Senior Researcher / Naoto MATSUMOTO

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UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling UNDOCUMENTED Vyatta vRouter: IPv4 over IPv6 Tunneling Presentation Transcript

  • 06 Jan, 2014 SAKURA Internet Research Center Senior Researcher / Naoto MATSUMOTO
  • Configure your routers 1) Check your router version. $ show version Version: VC6.6R1 Description: Vyatta Core 6.6 R1 Copyright: 2006-2013 Vyatta, Inc. Built by: autobuild@vyatta.com Built on: Tue Apr 30 21:18:42 UTC 2013 Build ID: 1304302136-de93a07
  • IPv4 over IPv6 Tunnel setup 2) Set Interfaces 10.10.10.1/24 tun0 VR-1 IPv4 over IPv6 Tunnel 2001:db8:XXXX::1/64 eth0 2001:db8:YYYY::2/64 eth0 VR-2 10.20.20.2/24 tun0 set system host-name VR-1 set interfaces ethernet eth0 address 2001:db8:XXXX::1/64 set interfaces tunnel tun0 address 10.10.10.1/24 set interfaces tunnel tun0 encapsulation ipip6 set interfaces tunnel tun0 local-ip 2001:db8:XXXX::1 set interfaces tunnel tun0 multicast enable set interfaces tunnel tun0 remote-ip 2001:db8:YYYY::2 set protocols static route 10.20.20.0/24 next-hop 10.10.10.1 set system host-name VR-2 set interfaces ethernet eth0 address 2001:db8:YYYY::2/64 set interfaces tunnel tun0 address 10.20.20.2/24 set interfaces tunnel tun0 encapsulation ipip6 set interfaces tunnel tun0 local-ip 2001:db8:YYYY::2 set interfaces tunnel tun0 multicast enable set interfaces tunnel tun0 remote-ip 2001:db8:XXXX::1 set protocols static route 10.10.10.0/24 next-hop 10.20.20.2
  • Debug your tunneling 3) Packet Dump and Additional Configuration. set policy route TCP-MSS1408-TUN0 rule 1 protocol tcp set policy route TCP-MSS1408-TUN0 rule 1 set tcp-mss 1408 set policy route TCP-MSS1408-TUN0 rule 1 tcp flags SYN set interfaces tunnel tun0 policy route TCP-MSS1408-TUN0 IPv4 over IPv6 Tunneling OVERHEAD IPv6 (40bytes) IPv4 (20bytes) MSS (Maximum Segment Size) =1408 TCP+Option (20+12bytes) MTU (Maximum Transmission Unit ) = 1500 DATA (1408bytes)
  • Thanks for your interest. SAKURA Internet Research Center.