Brocade Communications Systems LS-STK Instrukcja Użytkownika Pobierz pdf (Strona 5)

Advanced Multicast Features

FastIron LS switches support a rich set

of Layer 2 multicast snooping features

that enable advanced multicast services

delivery. Internet Group Management

Protocol (IGMP) snooping for IGMP version

1, 2, and 3 is supported. IGMPv3 source-

based multicast snooping improves

bandwidth utilization and security for

multicast services.

To enable multicast service delivery in

IPv6 networks, the FastIron LS supports

Multicast Listener Discovery (MLD) v1 and

v2 snooping - the multicast protocols used

in IPv6 environments.

Building Resilient Networks with

Advanced Layer 2 and Layer 3 Protocols

Software features such as Virtual Switch

Redundancy Protocol (VSRP), the Brocade

Metro Ring Protocol (MRP I and II), Rapid

Spanning Tree Protocol (RSTP), protected

link groups, 802.3ad Link Aggregation, and

trunk groups provide alternate paths for

trafc in the event of a link failure. Sub-

second fault detection utilizing Link Fault

Signaling and Remote Fault Notication

ensures rapid fault detection and recovery.

Enhanced Spanning Tree features such as

Root Guard and BPDU Guard prevent rogue

hijacking of spanning tree root and maintain

a contention and loop-free environment,

especially during dynamic network

deployments. Additionally, the FastIron LS

supports Port Loop Detection on edge ports

that do not have spanning tree enabled.

This capability protects the network from

broadcast storms and other anomalies that

can result from Layer 1 or Layer 2 loopbacks

on Ethernet cables or endpoints.

Base Layer 3 functionality enhances the

capability of the FastIron LS IronStack and

standalone models. Base Layer 3 allows

enterprises to use simple Layer 3 features

such as IPv4 static routes, virtual interfaces

(VE), routing between directly connected

subnets, RIPv1/v2 announce, VRRP, DHCP

Relay, and routed interfaces.

In non-stacking congurations, the FastIron

LS models support an optional Edge Layer

3 feature set (EPREM)*. These edge Layer

3 features enable dynamic routing via

OSFPv1/v2 and RIPv1/v2 in addition to

the Base Layer 3 features. With FastIron

LS Base Layer 3 and the optional EPREM

upgrade, network managers can deploy

end-to-end Layer 3 networks and deploy the

same routing policies from edge to core,

simplifying network design and operations.

Unied and Secure Element

Management

The Brocade INM provides unied network

management for the FastIron LS Series.

INM greatly simplies network operations,

provisioning, troubleshooting, and alarm

reporting. INM offers multilevel access

security on the console and a secure

Web management interface that prevents

unauthorized users from accessing or

changing the switch conguration.

INM employs a Java-based network

conguration and management tool that

displays, in graphical detail, network and

application level trafc information. Network

managers can accurately monitor overall

networking operation, zero in on hot spots,

and quickly diagnose and troubleshoot

difculties before they develop into

widespread network problems.

The FastIron LS Series includes Secure

Shell (SSHv2), Secure Copy, and SNMPv3

to restrict and encrypt management

communications to the system. Additionally,

support for Terminal Access Controller

Access Control System (TACACS/TACACS+)

and RADIUS authentication ensure secure

operator access.

*Available only on the standalone FastIron LS. This feature is not available on the IronStack enabled FastIron LS.

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