Routing Metrics - Cisco Nexus 7000 Series Configuration Manual

Chapter 1 Overview
S e n d d o c u m e n t c o m m e n t s t o n e x u s 7 k - d o c f e e d b a c k @ c i s c o . c o m .
Figure 1-1
Source host
Destination host

Routing Metrics

Routing algorithms use many different metrics to determine the best route. Sophisticated routing
algorithms can base route selection on multiple metrics.
This section includes the following metrics:
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OL-20002-02
Packet Header Updates Through a Network
PC
To: Destination host
Router 1
Router 1
Router 3
To: Destination host (Protocol address)
Destination host (Physical address)
PC
Path Length, page 1-4
Reliability, page 1-4
Routing Delay, page 1-4
Bandwidth, page 1-4
Load, page 1-4
Communication Cost, page 1-4
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
Packet
(Protocol address)
(Physical address)
To: Destination host
Router 2
Router 2
To: Destination host (Protocol address)
Router 3
Packet
Information About Layer 3 Unicast Routing
Packet
(Protocol address)
(Physical address)
(Physical address)
Packet
1-3