Private WANs with Ethernet and MPLS
WAN topology options
Point to Point
Hub and Spoke (E-Tree Service)
Full Mesh
WAN access options
MPLS (Routers)
MetroEthernet (Switches)
several IP subnets for all sites
A remote site router would have one EIGRP neighbor
One IP subnet for all sites
Remote site router would have ten EIGRP neighbors
Metro Ethernet Speeds
100Base-LX10
1000Base-LX
1000Base-LX10
1000Base-ZX
10GBase-LR
100Mbps / 10Km
1Gbps / 5km
1Gbps / 10km
1Gbps / 100Km
10Gbps / 10Km
10GBase-ER
10Gbps / 40Km
LX = 5 km
LX10 = 10km
LR = 10km
ER = 40km
ZX = 100km
MPLS
Types of Access Links
Serial (TDM) Remote locations
Frame Relay
Metro Ethernet
ATM
MPLS QoS
Improve Quality by providing
Used on VoIP (DSCP EF)
Low Delay
Low Jitter (Variance in delay)
Low Loss