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Figure 1 provides an example of a three-tiered networking model with top-of-rack networking components.
Data center
network
Core
Server and network “packs”
All applications have standard server deployment
Distribution
Top of rack: enables standard
server edge/edge networking racks
ProCurve edge switches deployed
as part of a standard solution
Standard
servers
Standard
server edge
Server edge
Top-of-rack advantages:
• Lower-cost design
• Enhanced multi-tier network designs
• Reduced cabling costs—copper
connections from server edge for 10-Gb
via direct attach
• Edge network can be refreshed more
easily and frequently without disturbing
distribution or core layers
–› Network can begin to match server
deployment requirements and processes
Figure 1: Top-of-rack use model
The 6600 series (specifically the 6600-24XG switch) is also ideal for end-of-row Layer 2 and Layer 3
aggregation, as the 6600-24XG switch provides the highest-density 10-Gb per rack unit in HP networking’s
product line. The advanced Layer 3 features provided in the Premium License make the 6600-24XG switch an
ideal candidate for aggregation and distribution in the data center. Key features of the ProCurve 6600 series to
support both top-of-rack and end-of-row use models include the following:
•Front-to-back (reversible) airflow—Enables highly virtualized compute environments where connectivity
ports face the hot aisle for use at top of rack. In addition, airflow can be reversed to support end-of-row
aggregation and distribution use models where users want data ports facing forward toward the cold aisle.
•Redundant, hot-swappable power supplies and fans—Power and fan resiliency as well as replaceable in
rack to increase availability.
•64K MAC address scalability—Supports best-in-class 64K MAC addresses to enable data center scale-outs of
highly virtualized server environments.
•Out-of-band management port—Isolated Ethernet management port provides robust access to the
management plane that is truly isolated from in-band data ports (available on 6600-48G, 6600-48G-4XG,
and 6600-24XG switches).
•sFlow for enhanced network visibility—Supports sFlow packet sampling to provide real-time visibility to
monitor traffic across all data ports at up to 10-Gb wire speed.
•Upgradability—Premium License option to support advanced Layer 3 functions most commonly needed for
end-of-row use models.
•Performance—High-capacity switch fabrics (from 48-Gbps to 322-Gbps backplane speed), bandwidth
shaping and control, QoS, and Layer 2 and Layer 3 jumbo frames.
•Security—ACLs (per-port or identity-driven), virus throttle, out-of-band Ethernet management, switch CPU
protection, detection of malicious attacks, DHCP protection, BPDU port protection, dynamic ARP protection,
dynamic IP lockdown, IP and MAC lockdown/lockout, IEEE 802.1X/Web/MAC user authentication, and
management access control (SSH, SSL, TACACS+, secure FTP).
•Resiliency—Redundant hot-swappable power supply options, hot-swappable fan tray, MSTP, switch meshing,
VRRP
1
, OSPF-ECMP
1
.
•IP Routing—RIPv1/v2, OSPFv2, OSPFv3, PIM-SM/DM, and static routes.
•Diagnostic—Remote intelligent mirroring, loopback interface, UDLD, and sFlow support.
1
Requires Premium Software License