
Summit X770 – Data Sheet 1
BENEFITS
HIGHLIGHTS
The Summit X770 series switches are
high-density, purpose-built top-of-rack
switches designed to support emerging 10
Gigabit Ethernet and 40 Gigabit Ethernet-
enabled servers in enterprise and cloud
data centers. Summit X770 helps optimize
new server deployments with its 40 GbE
ports – each can be used natively as
uplinks to BlackDiamond X8 chassis or
other Summit X770 acting as spines – and
each 40GbE port can connect directly
to servers using 40GbE speeds or by
breaking down into 10GbE connections
acting as the leaf.
The Summit X770 can be used as a spine
or a leaf in fat tree topologies for servers
with 10GbE and 40GbE ports.
PORTS
• 32 x 40GBase-X QSFP+
• 1 RJ-45 Serial Port
• 1 RJ45 Ethernet Management Port
• 1 USB Port (rear)
• 2 Mini BNC Ports (rear) 1588 output
Overview
Summit X770 provides high density for 40 Gigabit Ethernet and 10 Gigabit
Ethernet switching in a small 1RU form factor.
With its versatile design, the Summit X770 series provides high density Layer 2/3
switching with low latency cut-through switching, and IPv4 and IPv6 unicast and
multicast routing to enable enterprise aggregation and core backbone deployment
in AC-powered and DC-powered environments.
Summit X770 series simplifies network operation with the ExtremeXOS modular
operating system (OS), which is used among all Extreme Networks Summit and
BlackDiamond Ethernet switches. The high availability ExtremeXOS operating
system provides simplicity and ease of operation through the use of one OS
everywhere in the network.
40 GIGABIT ETHERNET & 10 GIGABIT ETHERNET PORTS
The Summit X770 model provides 32 x 40 GbE QSFP+ ports which can accept
QSFP+ passive and active cables, as well as QSFP+ transceivers. 40 GbE ports can
be configured as a 40 GbE port or as four 10 GbE ports. The 10 GbE port mode
can be supported by a 40GBASE-SR4 QSFP+ transceiver and fan-out optical
cables, and is compatible with the 10GBASE-SR optical interface for distances up
to 100 meters. 24 of the 32 QSFP+ ports can be broken into 4 ports of 10GbE. The
remaining 8 ports of QSFP+ can also be converted into a single port of 10GbE
giving a maximum of 104 ports of 10GbE connections in a 1 RU device. The Summit
X770 is capable of Layer 2 and Layer 3 forwarding at up to 1904 million packets
per second forwarding rate.
HIGH-SPEED STACKING
Summit X770 supports three dierent types of stacking: SummitStack-320,
SummitStack-160, and SummitStack-V. SummitStack-320 provides high speed
stacking running at 320 Gbps through the SummitStack-320 technology.
SummitStack-320 can be enabled on four 40 Gigabit Ethernet QSFP+ ports as
stacking interfaces. SummitStack-160 provides high-speed stacking running at 160
Gbps through the SummitStack-160 technology. SummitStack-160 can be enabled
on two 40 Gigabit Ethernet QSFP+ ports as stacking interfaces. SummitStack-V
provides high-speed stacking running at 40 Gbps through the SummitStack-V
technology. SummitStack-V can be enabled on two 40 Gigabit Ethernet QSFP+
ports configured as 10GbE stacking interfaces.
DATA SHEET
Summit X770 Series
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