Cisco MDS 9000 Series Configuration Manual page 153

Chapter 6 Configuring PortChannels
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Figure 6-4
SID1, DID1,
Exchange 1
SID1, DID1,
Exchange 2
SID2, DID2
Exchange 1
Figure 6-5
received for forwarding on an interface, link 1 is chosen by a hash algorithm. All remaining frames in
that particular exchange are sent on the same link. For exchange 1, no frame uses link 2. For the next
exchange, link 2 is chosen by the hash algorithm. Now all frames in exchange 2 use link 2.
OL-19445-02, Cisco MDS NX-OS Release 4.2(x)
SID1 and DID1 Based Load Balancing
Frame 1
Frame 2
Frame 3
Frame n
Frame 1
Frame 2
Frame 3
Frame n
Frame 1
Frame 2
Frame 3
Frame n
illustrates how exchange-based load balancing works. When the first frame in an exchange is
Link 1
Link 2
Link 1
Link 2
Link 1
Link 2
Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide
About PortChannels
6-5