IPv6 Fundamentals

1
IPv6 Fundamentals

• Abilene NOC
• Grover Browning gcbrowni_at_iu.edu

2
V6 Fundamentals

• IPv6 Basics
• Network Configuration
• Lab

3
v6 Addresses

• IPv4 - 32 bits arranged in four octects
• IPv6 - 128 bits arranged in 32 nibbles
• 10.0.0.1 00001010.00000000.00000000.0000001
• 3ffe0000000000000000000000000001
• (0011-1111-1111-11100000-0000-0000-0000 ug
  Too many bits!)

4
v6 Addresses

• 3ffe0000000000000000000000000001
• 3ffe0000001
• 3ffe1
• 3ffe0002023412340000987200230004
• 3ffe2234123409872234
• 3ffe223412349872234

5
v6 Addresses

• Expand these addresses
• 3ffe224365002
• 3ffe37005121
• 20011
• 20010234954356af32345d

6
v6 Prefixes

• Subnet Masking, VLSM, Aggregation
• 3ffe3700/28
• 3ffe3700ff/48
• 3FFE3700FF1052/64

7
v6 Prefixes

• Subnet Masking, VLSM, Aggregation
• 3FFE3700/28 Abilene
• 3FFE3700400/40 InGig
• 3FFE3700401/48 IUPUI
• 3FFE3700401b/64 My Subnet
• 3FFE3700401b1/128 My Machine

8
v6 Prefixes

• 3ffe3700/24
• 3ffe3700/40
• 3ffe3700/48
• 3ffe3700/64
• 3ffe3700/128

9
v6 Interfaces

• Multiple Addresses per interface
• Scope
• Stateless Autoconfiguration
• ? No more Broadcasts ?

10
v6 Interfaces

• Multiple Addresses per Interface
• FE80230A3FFFEC681C
• 3FFE3700FF5441

11
v6 Interfaces

• Scope
• FE80/64 Link Scope
• FEC/10 Site Scope (IE10.0.0.0/8)
• FF01 Node Scope
• FF02 Link Scope
• FF05 Site Scope
• FF08 Organization Scope
• FF0E Internet Scope

12

• Go Dale Go!

13
Network Configs

• Rule 1 What Would v4 do?
• Turn On Routing
• Configure Interfaces
• Configure Routing Protocols

14
Cisco Configs

• ipv6 unicast-routing (Global)
• Ipv6 enable (Interface)
• Ipv6 address (Interface)

15
Cisco Configs

• ipls-7200-6config t
• ipls-7200-6(config)ipv6 unicast-routing
• ipls-7200-6(config)int tunnel 23
• ipls-7200-6(config-if)ipv6 enable
• ...-if)ipv6 address 3ffe3700ff98761/64

16
Cisco Configs

• 200-6(config-if)ipv6 rip ABILENE enable
• Router bgp 11537
• Address-familty ipv6 unicast
• Neighbor ltv6 addrgt remote-as 10680
• Network 3ffe3700/24

17
Cisco Configs

• Ipv6 route ltroutegt ltnext hopgt
• ipv6 prefix-list From-Indiana seq 5 permit
  3FFE3700400/40

18
Cisco - Tunnel

• interface Tunnel1
• description v6 to ATLA
• no ip address
• no ip redirects
• no ip proxy-arp
• ipv6 address 3FFE3700FF1052/64
• ipv6 enable
• ipv6 rip ABILENE enable
• tunnel source ATM2/0.1
• tunnel destination 199.77.193.14
• tunnel mode ipv6ip

19
Cisco ATM PVC

• interface ATM2/0.3 point-to-point
• description Indiana Gigapop
• no ip redirects
• no ip proxy-arp
• pvc Juniper 3/66
• ubr 155000
• encapsulation aal5snap
• !
• ipv6 address 3FFE3700FF5441/64
• ipv6 enable

20
Cisco - Ethernet

• interface FastEthernet2/0.51
• encapsulation dot1Q 51
• ipv6 enable
• ipv6 address 3FFE3700401331/64

21
Juniper

• InGig edit interfaces at-1/2/0 unit 1
• InGig edit family inet6
• InGig set address 3ffe3700ff5442/64
• InGig edit routing-options rib-groups
• InGig edit IF6-RG6
• InGig set import-rib inet6.0

22
Juniper

• routing-options
• inet6.0
• static
• rib-group IF6-RG6
• route 3ffe370004000/40
• reject
• install
• readvertise

23
set protocols bgp family inet6 any
group IUPUI6 type external
import From-IUPUI6 family inet6
any
peer-as 10680 neighbor
3ffe370043f12 description
"IUPUI campus v6"
24
Juniper ATM PVC

• at-1/2/0
• description "to Border 1010 4/1/0"
• enable
• encapsulation atm-pvc
• atm-options
• vpi 3 maximum-vcs 128
• unit 1
• description "to IUPUI campus v6 router"
• encapsulation atm-snap
• point-to-point
• vci 3.68
• family inet6
• address 3ffe370043f11/64

25
The Cisco Show

• Show bgp
• Show ipv6 route
• Show ipv6 interface

26
LAB

• !!!Test Your Might!!!