Cisco AS535-8E1-210-AC Datasheet download pdf (Page 6)

Cisco Systems, Inc.

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Security Management

Cisco IOS Software security features allow authorized users dialup

access while preventing access to intruders. These features include:

multilevel password protection; user authentication such as

Password Authentication Protocol (PAP) and Challenge Handshake

Authentication Protocol (CHAP); access control lists (ACLs); IP

address spooﬁng prevention and logging; and support of the

industry-standard authentication, authorization, and accounting

(AAA) protocols; RADIUS; and Terminal Access Controller Access

Control System (TACACS+).

Manageability

The Cisco AS5350 Universal Gateway has a wide range of

management tools designed to reduce operations costs. The Cisco

Universal Gateway Manager (UGM) is an element management

system that supports the conﬁguration, management, and

troubleshooting of Cisco

AS5000 universal gateways.

The console-management features include a comprehensive set of

debugging commands that can be enabled on a speciﬁc calling line

identiﬁcation (CLID) or automatic number identiﬁcation (ANI),

called number (dialed number identiﬁcation string [DNIS]), user, or

interface to immediately isolate only the relevant debugging output.

The Simple Network Management Protocol (SNMP) v2 and v3

management capability includes a rich call-tracking SNMP

Management Information Base (MIB) that provides highly detailed

records for active and historical calls, with a conﬁgurable

call-history buffer. Call records can also be obtained through syslog

or RADIUS as an alternative to polling through SNMP. Call records

include connect rate, connect duration, disconnect codes,

end-to-end delay, and line statistics. This informationallows service

providers to debug problems for individual users. Wholesale dial

and voice service providers can use this performance-management

data to establish service-level agreements with their retail ISP

customers.

The Cisco UGM is a next-generation element management system

offering robust, scalable,carrier-class capabilities for Cisco AS5000

universal gateways. Providing comprehensive fault, conﬁguration,

accounting/inventory, performance, security (FCAPS) capabilities,

the Cisco UGM enables operators to effectively conﬁgure, manage,

and maintain dial-access networks. The Cisco UGM facilitates the

rapid deployment of new services and provides quick and effective

network diagnostics to meet the rigorous demands of today’s

fast-moving marketplace.

Reliability

DSP Sparing and Pooling

The Cisco AS5350 Universal Gateway meets high-availability

requirements. Modem and voice DSPs are pooled and can be

configured as hot spares. Because DSPs are allocated on a call-by-call

basis, a DSP failure will not cause a DS0 or B channel to be left

without a DSP to terminate the call. This prevents occurrence of

“holes”(unusedchannels)within a huntgroup.HavingspareDSPsin

the pool also allows DSP code to be updated without affecting active

calls. DSP resources are tested at power-up and after disconnect to

checkfordefects.AnydefectiveDSPsfoundaremovedtothe resource

recoverypool.Anautomatic DSPrecoveryprocesscan beactivatedto

recover DSPs in the recovery pool and add them back into the

resource pool if possible.

Hot-Swappable Cards and Fan Tray

Hot-swap capability on all cards allows hardware maintenance to

be performed on an active access server with little or no service

interruption. During a hot-swap, any card may be removed,

inserted, or replaced, and only the calls on the card being removed

are affected. The Cisco AS5350 Universal Gateway chassis provides

ﬁvehigh-capacityfanswithfront-to-backairﬂowtocoolthechassis.

The fan tray can be replaced while the unit is in operation.

Redundant Backhaul Methods

Three redundant methods, which can be used to backhaul trafﬁc

from the serverto the network, are included by default on the Cisco

AS5350 Universal Gateway. The ﬁrst method uses the two Fast

Ethernet ports. These can be conﬁgured to run different types of

trafﬁc on each link or use the HSRP in a redundant mode for

increased reliability. The second method uses the two high-speed,

12-in-1, 8-Mbps serial ports on the rear of the chassis. These ports

support all the Cisco serial routing protocols for ﬂexibility in

connectingtoremotenetworks. Thethirdmethoduses trunkfeature

cards as possible backhaul interfaces.

Environmental Monitoring

Thermal sensors monitor the inlet and outlet temperatures and

temperature rise across each card. If the operating temperature of

the system exceeds its maximum, the thermal sensors initiate a

shutdown of the feature cards, starting with the modem cards and

ﬁnishing with the trunk cards. The trunk cards are shut down last

so the system has a chance to recover before putting the trunks into

alarm status at the central ofﬁce. If the system continues to exceed

its maximum operating temperature, the thermal sensors initiate a

shutdown, preventing damage to the unit or its surrounding

environment from excess heat.

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Cisco AS535-8E1-210-AC Datasheet Page 6

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