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HP PROCURVE 2910AL User Manual

HP PROCURVE 2910AL
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TACACS+ Authentication
Overview
Overview
Feature Default Menu CLI Web
view the switch’s authentication configuration n/a page 4-9
view the switch’s TACACS+ server contact n/a page 4-
configuration 10
configure the switch’s authentication methods disabled page 4-
11
configure the switch to contact TACACS+ server(s) disabled page 4-
18
TACACS+ authentication enables you to use a central server to allow or deny
access to the switches covered in this guide (and other TACACS-aware
devices) in your network. This means that you can use a central database to
create multiple unique username/password sets with associated privilege
levels for use by individuals who have reason to access the switch from either
the switch’s console port (local access) or Telnet (remote access).
B
Switch Configured for
TACACS+ Operation
Terminal “A” Directly
Accessing the Switch
Via Switch’s Console
Port
TerminalB” Remotely Accessing The Switch Via Telnet
A
Primary
TACACS+
Server
The switch passes the login
requests from terminals A and B
to the TACACS+ server for
authentication. The TACACS+
server determines whether to
allow access to the switch and
what privilege level to allow for
a given access request.
Access Request A1 - A4: Path for Request from
Terminal A (Through Console Port)
TACACS Server B1 - B4: Path for Request from
Response Terminal B (Through Telnet)
B1
A2 or
B2
A3 or
B3
B4
A1
A4
Figure 4-1. Example of TACACS+ Operation
TACACS+ in the switches covered in this guide manages authentication of
logon attempts through either the Console port or Telnet. TACACS+ uses an
authentication hierarchy consisting of (1) remote passwords assigned in a
TACACS+ server and (2) local passwords configured on the switch. That is,
with TACACS+ configured, the switch first tries to contact a designated
4-2

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HP PROCURVE 2910AL Specifications

General IconGeneral
ModelHP ProCurve 2910al
Switching Capacity128 Gbps
Throughput95.2 Mpps
ManagementWeb, CLI, SNMP
Jumbo Frame SupportYes
ManageableYes
Power100-240 VAC
Power SupplyInternal
Operating Temperature0°C to 45°C (32°F to 113°F)
StackingYes
MAC Address Table Size32000 entries
Routing ProtocolRIP, OSPF
FeaturesIPv6, VLAN, QoS, ACLs
Operating Humidity15% to 95% non-condensing
Uplink Ports4
Power over EthernetYes (PoE+ models available)

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