IPv6 Support and Auto-Config.IPv6 Support and Auto-Config.

LACLACNICNICVIIVIIOctober 26, 2004October 26, 2004

Wilfried WoeberWilfried Woeber woeber@cc.univie.ac.atwoeber@cc.univie.ac.at

topicstopics

IPv6 capable OSesIPv6 capable OSes

IPv6 capable applicationsIPv6 capable applications

End-System auto-configurationEnd-System auto-configuration

IPv6 capable routing nodesIPv6 capable routing nodes

(some) IPv6 capable OSes(some) IPv6 capable OSesOperating SystemOperating System IPv6 capabilityIPv6 capability IPv6 supportedIPv6 supported

FreeBSDFreeBSD3.x with KAME-Stack3.x with KAME-Stack

4.x integrated4.x integrated

communitycommunity

communitycommunity

LinuxLinux since Kernel 2.2.19since Kernel 2.2.19communitycommunity

various distributionsvarious distributions

SolarisSolaris7 with patch7 with patch

8 integrated8 integratedSUNSUN

AIXAIX since 4.3since 4.3 IBMIBM

MS Windows 2000MS Windows 2000

MS Windows 9x/NTMS Windows 9x/NT

MSResearch IPv6 StackMSResearch IPv6 Stack

Trumpet WinsockTrumpet Winsock

nono

TrumpetTrumpet

MS Windows XPMS Windows XP integrated (integrated (ipv6 installipv6 install)) no (not yet, soon?)no (not yet, soon?)

IPv6 capable applicationsIPv6 capable applications

http relatedhttp related Server: Apache, Fnord!, thttpdServer: Apache, Fnord!, thttpd

Clients: Mozilla Clients: Mozilla (1)(1), Lynx, w3m, wMosaic, Internet Explorer , Lynx, w3m, wMosaic, Internet Explorer (1)(1)

smtp, pop, imapsmtp, pop, imap Server: sendmail, qmail, exim, qpopper, cucipop, courier-*dServer: sendmail, qmail, exim, qpopper, cucipop, courier-*d

Clients: fetchmail, Inframail, elm, pine, muttClients: fetchmail, Inframail, elm, pine, mutt

nntpnntp Server: INN, leafnodeServer: INN, leafnode

Client: slrn, tinClient: slrn, tin

telnet, ssh, ftptelnet, ssh, ftp Server: proftpd, oftpdServer: proftpd, oftpd

Client: lftp, ncftpClient: lftp, ncftp

othersothers Bind, Squid, OpenLDAP, cvs, rat, vic, mpeg123, Quake, Bind, Squid, OpenLDAP, cvs, rat, vic, mpeg123, Quake, various IRC apps (refer to the v6 projects' application lists!)various IRC apps (refer to the v6 projects' application lists!)

…..and many, many more, e.g. UMTS release 5 requires IPv6!

(1) Beware, both prefer IPv6 connectivity!

ConfigurationConfiguration

stateless address autoconfigurationstateless address autoconfiguration1) duplicate address detection (link-local addr.)1) duplicate address detection (link-local addr.)2) host sends router solicitation packet2) host sends router solicitation packet3) router sends router advertisment packet3) router sends router advertisment packet4) host builds address from interface identifier (known) 4) host builds address from interface identifier (known)

and prefix (sent by router with 3)and prefix (sent by router with 3)5) duplicate address detection again5) duplicate address detection again

stateful address autoconfigurationstateful address autoconfiguration DHCPv6 (work in progress...) DHCPv6 (work in progress...)

……and all possible combinations…and all possible combinations…

RenumberingRenumbering

hostshostsstateless address autoconfigurationstateless address autoconfiguration

routerrouterPrefix Control OperationsPrefix Control Operations high security level:high security level: -) guard against replays-) guard against replays

-) authentication-) authentication-) integrity check-) integrity check

sent in ICMPv6-packets (type 138)sent in ICMPv6-packets (type 138)

IPv6 capable RoutersIPv6 capable RoutersSoftware based routers:Software based routers:

Many public domain packages which implement IGPs and EGPs Many public domain packages which implement IGPs and EGPs (zebra, quagga, mrt, ...) can be used on (unix-like) workstations(zebra, quagga, mrt, ...) can be used on (unix-like) workstations

Hardware based routers:Hardware based routers: Most well-known vendors do already support (basic) IPv6 stuffMost well-known vendors do already support (basic) IPv6 stuff Cisco, Juniper, 6WIND, japanese products (Hitachi-NEC), ...Cisco, Juniper, 6WIND, japanese products (Hitachi-NEC), ... LibeRouter, openrouter projects (HW accelerated boards, GPL)LibeRouter, openrouter projects (HW accelerated boards, GPL)

What are the open issues?What are the open issues? Support for wider data paths in ASICs (32 ==> 128 bits)Support for wider data paths in ASICs (32 ==> 128 bits) Support for v6 protocols in interface micro-codeSupport for v6 protocols in interface micro-code Management and statistics, MIBs, DNS and reverse DNS on Management and statistics, MIBs, DNS and reverse DNS on

routerrouter Configuration and management tools in developmentConfiguration and management tools in development Various types and flavours of multicast and mc-routing...Various types and flavours of multicast and mc-routing...

IPv6 Status "master list"IPv6 Status "master list"

http://www.ipv6tf-sc.org/html/public/http://www.ipv6tf-sc.org/html/public/

ipv6tf-sc_pu_d3_4v1_3.pdfipv6tf-sc_pu_d3_4v1_3.pdf

http://www.ist-ipv6.org/http://www.ist-ipv6.org/