Silicon Graphics Altix ICE 8000 Series, Краткое руководство пользователя

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Scali Manage TM On SGI
®
Altix
®
ICE System Quick Reference Guide
Includes all
1588_left
and
1588_right
connections, as well as an internal port
to the CMC processor. This VLAN carries all of the IEEE 1588 timing traffic.
•
VLAN_HEAD
Includes all
leader_local
,
leader_left
, and
leader_right
connections.
The
VLAN_HEAD
VLAN connects the admin node to all of the leader nodes
(including the leader nodes’ BMCs) and the service nodes.
•
VLAN_BMC
Includes all 10/100 sub-switches and the
leader_local
ports. The
VLAN_BMC
VLAN connects the leader nodes to all of the BMCs on the compute blades and to
the CMCs within each IRU. See Figure 1-6 on page 18.
•
VLAN_GBE
Includes all GigE blade ports and the
leader_local
port. See Figure 1-6 on
page 18. The
VLAN_GBE
VLAN connects the leader nodes to the GigE interfaces of
all the compute blades.
VLAN_GBE
and
VLAN_BMC
do not extend outside of any rack. Therefore, traffic on
those VLANs stays local to each rack.
Only
VLAN_HEAD
extends rack to rack. It is the network used by the admin node to
communicate to the leader node of each rack and to each service node.
The rack leader controllers (leader nodes) must run 802.1Q VLAN protocol over their
downstream GigE connection to the CMC and the CMC LL port must also run
802.1Q. This is done for you when the rack leader controllers are installed from the
system admin node (see "Installing Service and Leader Nodes" on page 32). Each
VLAN should present itself as a separate, pseudo interface to the operating system
kernel running on that leader node.
VLAN _HEAD
,
VLAN_BMC
, and
VLAN_GBE
must
all transition the single Ethernet segment which connects the leader to the CMC in
the rack below it.
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