Red Hat部署IPv6.pdf

Deploying IPv6 from a Platform Systems Perspective Mick Wahren Senior Solution Architect, Red Hat 06.29.12 It started on a Friday... ● The CIO had lunch with the network hardware sales guys again... ● The network guys have had a meeting... ● They said they want it live by world IPv6 day... Welcome! – Your journey starts here ● Introduction to the IPv6 protocol ● Deployment techniques ● Translation techniques ● Security features ● Migration strategies ● Moving your applications to IPv6 Introduction to IPv6 – Why? ● We ran out of Internet ● IPv4 addressing shortage ● Address things that were missed ● Security built in ● My car needs an address other than my house ● Explosion of mobile devices ● Its inevitable. Get ready for it. Introduction to IPv6 – Why? Image Source: http:// ./2010/09/ipv4-ipv6-comparison-differences/n IPv6 Protocol Overview – New from the ground up ● IPv6 is NOT an extension of IPv4 ● It is a completely new protocol ● Think of it as a new network along side the old one ● A network that can use the same hardware RHEL Support Status – Introduced in RHEL 4 ● Introduced in RHEL 4 ● Enhanced in RHEL 5 ● Full feature support in RHEL 6 IPv6 Protocol Overview – Addressing ● 128-bit address space ● Address notation broken into eight 16-bit hexadecimal blocks ● 2001:db8:0000:0000:0000:0000:0000:0001 ● Leading zeros in a block can be skipped ● 2001:db8:0:0:0:0:0:1 ● Double colon to represent strings of Zeros ● 2001:db8::1 ● This can only be done once in the address IPv6 Protocol Overview – The Prefix ● 128-bit address space split to define network vs node ● Eg. 2001:0db8:0000:0000:0000:0000:0000:0001/64 ● 2001:0db8:0