
Network layer hardware
Network overview
The Vblock System 240 contains an Ethernet/SAN switch and a management switch to allow
interconnection of all Vblock System components to each other and to external resources such as backup
and recovery servers and the customer's network.
Ethernet/SAN switches
Each Vblock 240 includes two Cisco Nexus 5548UP Switches to provide Ethernet and Fibre Channel
(FC) connectivity:
•
Between the Vblock System internal components.
•
To the site network.
•
To the redundant connections on the Cisco Nexus 3048 switches.
•
To Advanced Management Platform (AMP-2) through redundant connections between AMP-2
and the Cisco Nexus 5548UP switches.
The two Cisco Nexus 5548UP Switches support low latency line-rate 10 Gb Ethernet and 8 Gb FC
connectivity on up to 32 ports. A unified port expansion module provides an extra 16 ports of 10 GbE or 8
Gb FC connectivity. For Vblock 240, the 16-port expansion module is dedicated for FC connectivity. The
FC ports are licensed in packs of eight based on the demand.
Management switch
Cisco Nexus 3048 Switches in the network layer provide IP connectivity between compute-layer
components and storage-layer components. They also provide IP connectivity to the site network.
These switches provide configuration flexibility with LAN base, IP base, and IP services software.
Vblock 240 uses two 1/10 Gbps SFP+ uplink ports for customer connectivity. Depending on the desired
connection, 1GbE copper SFP+, 1GbE Fiber SFP+, or 10Gbe SFP+ transceivers are provided.
To facilitate the required level of redundancy and throughput, the customer network uplink device should
support port aggregation.
The VCE Vblock System 240 Port Assignments Reference provides information about the assigned use
for each port in the Vblock System.
Related information
Accessing VCE documentation (see page 7)
Vblock
®
240 Architecture Overview Network layer hardware
24
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