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Extensive Trafﬁc Classiﬁcation

SecureStack B2 switches comprise the ideal family of switches for

delivering any converged network solution. A major component for

supporting converged networks is trafﬁc classiﬁcation. All SecureStack

B2 switches deliver extensive Layer 2/3/4 packet classiﬁcation and

marking at the edge based on any of the following attributes:

• MACaddress

• Physicalport

• IPaddress

• IPProtocol

• IPToS/DSCPmarking

• TCP/UDPport

• IPsubnet

With the optional Secure Networks Policy License, these classiﬁcations

can then be used to deny or permit access, or prioritize trafﬁc.

Advanced Quality of Service

Broad support for Quality of Service makes SecureStack B2 switches an

ideal choice for all types of networks, including Voice over IP, real-time

and non-real-time video, and data-intensive applications. Extensive

classiﬁcation capabilities combined with eight priority queues per port

allow the SecureStack B2 to granularly rate limit trafﬁc ﬂows. Weighted

round robin queuing is supported. Support for the IP Differentiated

Services Code Point (DSCP) enables the switches to enforce requested

service levels.

VLAN Support

All SecureStack B2 switches have VLAN support, with 4,096 VLAN IDs

supported and up to 1,024 VLANs active simultaneously in a single

stack. Receive port identiﬁcation may be used to assign a user to a

speciﬁc VLAN. All switches support IEEE 802.1Q tagged and port-based

VLANs with full support for the GARP and GVRP protocols.

Extensive Security

Security is vital to all networks today and with SecureStack B2 switches

the network is protected at the ﬁrst point of entry (user access). All

SecureStack B2 switches support user-access authentication with

IEEE 802.1x and MAC address. The SecureStack B2 also supports

per-port multi-user authentication with its implementation of PC +

Phone (user and IP phone). With PC + Phone the SecureStack B2 can

support MAC authentication on an IP phone along with simultaneous

user authentication via 802.1x or MAC address per port. In addition,

all SecureStack B2 switches support VLANs and RADIUS. Strong

authentication and encryption for the switch is provided via Secured

Shell (SSH) and RADIUS.

Dynamic VLAN Assignment Support

Support for RFC3580 Dynamic VLAN Assignment is included in

the basic SecureStack B2 ﬁrmware, which enables an end user

to automatically be mapped to the appropriate VLAN upon being

authenticated via IEEE 802.1x.

Optional Secure Networks Support

Secure Networks is Enterasys’ unique approach to enterprise networking

that integrates advanced security and management features to centralize

and automate granular control of the entire network infrastructure.

All SecureStack B2 switches can become full members of a Secure

Networks solution with an optional policy license. The policy license

upgrade software has full support for static or port-based policies, and

dynamic policies speciﬁc to a user (per port based on IEEE 802.1x

authentication or MAC address, allowing up to one PC and one VoIP

Phone per port). Secure Networks features enable SecureStack B2

switches to fully participate in Secure Networks Acceptable Use Policy

(AUP), Dynamic Intrusion Response (DIR), and Trusted End-System

(TES) solutions.

Robust Switch and Stack Management

All SecureStack B2 switches are fully manageable using an industry-

standard command line interface, embedded web interface, Telnet with

SSH, and SNMP management applications such as NetSight Console or

NetSight Inventory Manager. Every SecureStack B2 switch supports four

groups of RMON (History, Statistics, Alarms, Events) and SNMP v1/2

and v3. Conﬁguration ﬁles can be edited with any ASCII editor and can

be uploaded and downloaded from a switch. A SecureStack B2 stack

can be managed as a single network entity and only a single IP address

is required to manage the complete stack. There is no need to download

software images to individual stack units; only one software upgrade

needs to be performed per stack. The image will be distributed to the

individual stack members automatically. Port-mirroring (one-to-one and

many-to-one) is supported on individual switches as well as stack-wide,

enabling network managers to easily monitor and troubleshoot any port in

the stack.

Secure Networks Support

Each port on a policy-enabled SecureStack B2 can support as many as

100 rules and 10 masks. The maximum number of unique rules in a

single switch (or stack) is 100, while the maximum number of unique

masks is 18. These unique rules and masks may be shared across any

and all ports in a stack or switch.

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Enterasys B2G124-24 Fiche technique Page 2

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