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Chapter 13
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 13-1
32-Port Switching Module Configuration Guidelines
The 32-port switching module guidelines applies to the following hardware:
•
•
When configuring these host-optimized ports, the following PortChannel guidelines apply:
•
•
In the Cisco MDS 9100 Series, the left most groups of ports outlined in white (4 ports in the Cisco MDS
Note
9120 Switch and 8 ports in the Cisco MDS 9140 Switch) are full line rate like the 16-port switching
module. The other ports (16 ports in the Cisco MDS 9120 Switch and 32 ports in the Cisco MDS 9140
Switch) are host-optimized like the 32-port switching module. Each group of 4 host-optimized ports
have the same rules as for the 32-port switching module.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
PortChannel Flexibility
Switch 1
The 32-port 2-Gbps or 1-Gbps switching module
The Cisco MDS 9140 Switch
Any (or all) full line rate port(s) in the Cisco MDS 9100 Series can be included in a PortChannel.
The host-optimized ports in the Cisco MDS 9100 Series are subject to the same PortChannel rules
as 32-port switching modules—only the first port of each group of 4 ports is included in a
PortChannel.
You can configure only the first port in each 4-port group (for example, the first port in ports
–
1-4, the fifth port in ports 5-8 and so on) as an E port. If the first port in the group is configured
as a PortChannel, the other three ports in each group (ports 2-4, 6-8 and so on) are not usable
and remain in the shutdown state.
If any of the other three ports are configured in a no shutdown state, you cannot configure the
–
first port to be a PortChannel. The other three ports continue to remain in a no shutdown state.
PortChannel A
PortChannel B
PortChannel C
Cisco MDS 9000 Family Configuration Guide
PortChannel Examples
Switch 2
13-3
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