Unicast Multiccast Broadcast
one to one, one to many, one to all
VLSM – variable length subnet mask for different subnets
Supported Routing Protocol EIGRP OSPF RIPv2 BGP ISIS
RIPv1 and IGRP does not
ARP: Protocol used to discover mac address to IP address mappings
DHCP: Discover Offer Request ACK
IPv6 Addressing
Golobal Unicast – 2000::/3
48 16 subnet prefix
64 bits host address
Router 1
config t
ipv6 unicast-routing
int f0/0
ipv6 address 2001::1/64
int f1/1
ipv6 address 2001:1::1/64
exit
ipv6 route 2001:2::/64 2001::2
do show ipv6 int brief (to verify)
Router 2
config t
ipv6 unicast-routing
int f0/0
ipv6 address 2001::1/64
exit
ipv6 route 2001:1::/64
[pc1] — [r1]—–[r2]–[pc2]
ping pc1 from pc2
can ping
eui 64 generated host address based on MAC address value
if you enable ipv6 on router link local address will be generated.
layer 2 addressing
ipv6 nd neighbor discovery
host to host
message sent to a remote host asking for link layer address is neighbor advertisement
host to router
host router solicitation rs message sent to discover routers on local link
router advertisement message to a router solicitation with network router information
ipv6 dhcp
stateful or stateless dhcp
stateful
solicit advertise request reply
stateless slaac host use icmpv6 message to discover prefix info
router solicitation router advertisement
