IPv6-Cisco

Configure SLAAC

Configure SLAAC for advertised ipv6

ipv6 unicast-routing      ! посылает сообщения Router Advertisement (RA)
interface Vlan20
description IPv6-SLAAC
ip address 192.168.20.1 255.255.255.0
ipv6 address FE80:DB8:0:20::1 linklocal
ipv6 address 2001:DB8:0:20::1/64
ipv6 enable
end

on cisco client

int gig0/1
 ipv6 enable
 ipv6 address autoconfig default

Statefull DHCPv6 address assignment

Configure DHCP server on Cisco

ipv6 dhcp pool IPV6_DHCPPOOL
 address prefix 2001:10:4:5::/64
 domain-name cisco.com
 dns-server 2001:10:4:5::4

interface GigabitEthernet0/1
 ipv6 address 2001:10:4:5::4/64
 ipv6 nd prefix 2001:10:4:5::/64 no-advertise
 ipv6 nd managed-config-flag
 ipv6 nd other-config-flag
 ipv6 dhcp server IPV6_DHCPPOOL

External DHCP Server (relay)

Address Autoconfiguration flag (A flag)

Other Configuration flag (O flag)

Managed Address Configuration flag (M flag)

Test ipv6

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