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Discovery Policy
8-Link Chassis
Discovery Policy
4-Link Chassis
Discovery
Policy
2-Link Chassis
Discovery
Policy
1-Link Chassis
Discovery
Policy
Number of
Links Wired
for the Chassis
If the IOM has 4
links, the chassis is
discovered by
Cisco UCS
Manager and added
to the Cisco UCS
domain as a chassis
wired with 4 links.
If the IOM has 8
links, the chassis is
not fully
discovered by
Cisco UCS
Manager.
Chassis cannot be
discovered by
Cisco UCS
Manager and is not
added to the Cisco
UCS domain.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 4 link.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 2 links.
After initial
discovery,
reacknowledge
the chassis and
Cisco UCS
Manager
recognizes and
uses the
additional
links.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 1 link.
After initial
discovery,
reacknowledge
the chassis and
Cisco UCS
Manager
recognizes and
uses the
additional
links.
4 links
between IOM
and fabric
interconnects
Chassis is
discovered by
Cisco UCS
Manager and added
to the Cisco UCS
domain as a chassis
wired with 8 links.
Chassis is
discovered by
Cisco UCS
Manager and added
to the Cisco UCS
domain as a chassis
wired with 8 links.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 4 links.
After initial
discovery,
reacknowledge
the chassis and
Cisco UCS
Manager
recognizes and
uses the
additional
links.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 2 links.
After initial
discovery,
reacknowledge
the chassis and
Cisco UCS
Manager
recognizes and
uses the
additional
links.
Chassis is
discovered by
Cisco UCS
Manager and
added to the
Cisco UCS
domain as a
chassis wired
with 1 link.
After initial
discovery,
reacknowledge
the chassis and
Cisco UCS
Manager
recognizes and
uses the
additional
links.
8 links
between IOM
and fabric
interconnects
Link Grouping
For hardware configurations that support fabric port channels, link grouping determines whether all of the
links from the IOM to the fabric interconnect are grouped into a fabric port channel during chassis discovery.
If the link grouping preference is set to port channel, all of the links from the IOM to the fabric interconnect
Cisco UCS Manager GUI Configuration Guide, Release 2.0
18 OL-25712-04
Server Architecture and Connectivity