Alcatel OS6855-24 Manual de usuario descargar pdf (Pagina 5)

AlcAtel-lucent OmniSwitch 6855

ALCATEL-LUCENT ENTERPRISE DATA SHEET

• Dying Gasp support via SNMP and syslog

messages:

¬ Unidirectional Link Detection (UDLD)

detects and disables unidirectional links

on ber optic interfaces.

¬ Digital Diagnostic Monitoring (DDM):

Real-time diagnostics of ber

connections for early detection of

optical signal deterioration

¬ Link Monitoring: link ap detection

and link error counts to identify bad

connections and automatically make

adjustments to use the links that are good

¬ Time Domain Reectometry (TDR): used

for locating break or other discontinuity

in copper cables.

Network conguration

• Auto-negotiating 10/100/1000 ports

automatically congure port speed and

duplex setting

• Auto MDI/MDIX automatically congures

transmit and receive signals to support

straight- through and crossover cabling

• BOOTP/DHCP client with option 60 allows

auto-conguration of the switch for

simplied deployment

• DHCP v4/v6 relay to forward client

requests to a DHCP server

• Alcatel-Lucent Mapping Adjacency

Protocol (AMAP) for building topology

maps

• IEEE 802.1AB LLDP with MED extensions

for automated device discovery and IP

phone provisioning

• Multiple VLAN Registration Protocol

(MVRP) and GARP VLAN Registration

Protocol (GVRP) for 802.1Q/1ak-compliant

VLAN pruning and dynamic VLAN creation

• Auto-QoS for switch management and IP

phone trafc

• Network Time Protocol (NTP) for network-

wide time synchronization

Resiliency and high availability

• ITU-T G.8032 v2 Ethernet Ring

Protection(ERP) designed for loop

protection and fast convergence times

(sub 50 ms) in ring topologies

• Ring Rapid Spanning Tree Protocol (RRSTP)

optimized for ring topology to provide

less than 100-ms convergence time

• IEEE 802.1s Multiple Spanning Tree

Protocol (MSTP) encompasses IEEE 802.1D

Spanning Tree Protocol (STP) and IEEE

802.1w Rapid Spanning Tree Protocol

(RSTP)

• Per-VLAN spanning tree (PVST+) and

Alcatel-Lucent 1x1 STP mode

• IEEE 802.3ad Link Aggregation Control

Protocol (LACP) and static LAG groups

across modules

• Dual-home link support for sub-second

link protection without STP

• Virtual Router Redundancy Protocol

(VRRP) to provide highly available routed

environments

• Bidirectional Forwarding Detection (BFD)

for fast failure detection and reduced

re-convergence times in a routed

environment

• Broadcast, unknown unicast and multicast

storm control to avoid degradation in

overall system performance

• Redundant and hot-swappable power

supplies, transceivers modules offering

uninterruptable service

• Dual image and dual conguration le

storage provides backup

• Stacking capability (OS6855- U24X only)

for virtual chassis redundancy. Up to 10-km

fault-tolerant remote stacking supported.

• Split Stack Protection: Auto detection and

recovery of stacks splitting into sub-stacks

due to multiple stacking-link or stack

elements failure*

* Contact for availability

Advanced security

Access control

• AOS Access Guardian framework for

comprehensive user-policy- based

network access control (NAC)

• Autosensing 802.1X multi-client, multi-

VLAN support

• MAC-based authentication for non-802.1x

hosts

• Web based authentication (captive portal):

A customizable web portal residing on the

switch

• IEEE 802.1X and MAC-based

authentication, with group mobility and

“guest” VLAN support

• Host integrity check (HIC) agent on each

switch makes it an HIC enforcer and

facilitates endpoint device control for

company policy compliance; quarantine

and remediation are supported as required

• User Network Prole (UNP) simplies NAC

by dynamically providing pre-dened

policy conguration to authenticated

clients – VLAN, ACL, bandwidth, HIC

• SSHv2 for secure CLI session with public

key infrastructure (PKI) support

• TACACS+ client allows for authentication

authorization and accounting (AAA) with a

remote TACACS+ server

• Centralized RADIUS and Light- weight

Directory Access Protocol (LDAP) user

authentication

• Microsoft Active Directory authentication

snooping (Kerberos)

• Bring Your Own Device (BYOD) – Enables

deployment of advanced, secure BYOD

services in enterprise networks*:

on-boarding of Guest, IT/non-IT issued and

silent devices; Restriction/Remediation of

trafc from non-compliant devices. Uses

RADIUS CoA to dynamically enforce User

Network Proles based on Authentication,

Proling, Posture check of devices

* Requires ClearPass

Containment, monitoring and quarantine

• Support for Alcatel-Lucent OmniVista

2500 Quarantine Manager and quarantine

VLAN

• Learned Port Security (LPS) or MAC

address lockdown secures the network

access on user or trunk ports based on

MAC address

• DHCP Snooping, DHCP IP and Address

Resolution Protocol (ARP) spoof protection

• Embedded trafc anomaly detection (TAD)

monitors trafc patterns typical for worm-

like viruses and either shuts down the port

or reports to the management system

• ARP poisoning detection

• IP Source Filtering as a protective and

effective mechanism against ARP attacks

• ACLs to lter out unwanted trafc

including denial of service (DoS) attacks;

ow-based ltering in hardware (layer 1

to layer 4)

• Support of Microsoft® Network Access

Protection (NAP)

• Bridge Protocol Data Unit (BPDU) blocking

automatically shuts down user ports to

prevent topology loops if an STP BPDU

packet is seen

• STP Root Guard prevents edge devices

from becoming STP root nodes

• LLDP Security mechanism for rogue device

detection and restriction

Converged networks

PoE

• Dynamic PoE allocation delivers only the

power needed by the attached device

up to the total power budget for most

efcient power consumption

• PoE models support Alcatel- Lucent IP

phones and WLAN access points, as well

as any IEEE 802.3af-compliant end device

• Congurable per-port PoE priority and

max power for power allocation

QoS

• Priority queues: Eight hardware- based

queues per port for exible QoS

management

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Alcatel OS6855-24 Manual de usuario Pagina 5

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