Cisco Cisco Catalyst 4000 Supervisor Engine II 数据表

Data Sheet

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NDA Use Only.

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VSS 1440’s system virtualization technology pools multiple Cisco Catalyst 6500 Series Switches

into one virtual switch, scaling the system bandwidth capacity to 1.4 Tbps. This innovation helps to

close IT resource allocation and application integration gaps, advancing the Cisco Service-

Oriented Network Architecture (SONA) and the Cisco Campus Communications Fabric (CCF)

framework. Cisco VSS 1440, with sup720-10G-VSS as a key enabler, brings the following benefits

to customer networks:

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Increases operational efficiency: Using Multichassis EtherChannel, the Cisco VSS 1440

eliminates the need for Hot Standby Router Protocol/Virtual Router Redundancy Protocol/

Gateway Load Balancing Protocol (HSRP/VRRP/GLBP) configuration and allows

customers to use a standards-based aggregation mechanism for server network interface

card (NIC) teaming across redundant switches. Since multiple Cisco Catalyst 6500 Series

Switches are viewed as one virtual switch, the management overhead is reduced by at

least 50 percent. Using the Cisco VSS 1440, only one gateway IP address is required per

VLAN, instead of the current requirement of three IP addresses per VLAN.

The Cisco VSS 1440 is flexible enough to be deployed in separate geographical locations.

CiscoWorks further eases Cisco VSS 1440 management by seeing two Cisco Catalyst

switches as one virtual switch.

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Boosting nonstop communication: The Cisco VSS 1440 uses Multichassis

EtherChannel for link failover and eliminates Layer 2 and 3 protocol reconvergence. This

results in a deterministic, subsecond virtual switch recovery avoiding any disruption to

applications that rely on network state information (such as forwarding table information,

NetFlow, Network Address Translation [NAT], authentication, or authorization).

●

Scales system bandwidth capacity to 1.4 Tbps: The Cisco VSS 1440 provides

automatic, even load sharing by using all the available Layer 2 bandwidth across redundant

Cisco Catalyst 6500 Series Switches. The Cisco VSS 1440 eliminates unicast flooding

caused by asymmetrical routing in the campus, and maximizes the use of all of the 10-

gigabit ports in a virtual switch.

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Uses existing multilayer switching architecture: Unlike many new technologies, the

Cisco VSS 1440 eases deployment by using customers’ existing Cisco Catalyst 6500

Series investments and by supporting standards-based 10 Gigabit Ethernet connections.

Standards-based 10 Gigabit Ethernet connections between Cisco Catalyst 6500 Series

Switches results in flexible distances between connections. Furthermore, the CiscoWorks

LAN Management Solution (LMS) management tool converts existing switch configurations

into simpler VSS 1440 configurations, simplifying deployment.

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Provides slot efficiency: With two X2-based 10 Gigabit Ethernet uplinks built into the

supervisor engine, the system saves slot for additional integrated services or high-density

chassis.

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Increases throughput: The Cisco Virtual Switching Supervisor Engine 720 with 10 Gigabit

Ethernet uplinks enables all Gigabit Ethernet and 10 Gigabit Ethernet links to be active

simultaneously. This is true for redundant systems (systems with dual supervisor engines in

the chassis), thereby increasing the supervisor throughput to 82 Mpps. As a result, the

system throughput increases to 450 Mpps for IPv4 traffic and 225 Mpps for IPv6 traffic.

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Improves resiliency: The Cisco Virtual Switching Supervisor Engine 720 with 10 Gigabit

Ethernet uplinks includes switch fabric capabilities that offer deterministic, subsecond

failover. This results in faster switchover to a standby supervisor.