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