12
Figure 9 ND MAD scenario
Hardware compatibility
An S5150-EI switch can form an IRF fabric only with devices in the same series.
General restrictions and configuration guidelines
For a successful IRF setup, follow the restrictions and guidelines in this section and the setup
procedure in "
Setup and configuration task list
Software requirements
All IRF member devices must run the same software image version. Make sure the software
auto-update feature is enabled on all member devices.
IRF physical interface requirements
Candidate IRF physical interfaces
Use the 10GBase-T Ethernet ports or SFP+ ports on the front panel of the S5150-EI switch for IRF
links.
Selecting transceiver modules and cables
When you select transceiver modules and cables, follow these restrictions and guidelines:
Device
Master
Subordinate
IRF
fabric
Internet
Customer
premise
network
IRF link
Common traffic path
Extended ND traffic path
STP domain (all devices
must run the spanning
tree feature)