HP ProCurve Switch 2650 User Manual

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4
Configuring Secure Shell (SSH)
Contents
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Prerequisite for Using SSH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Public Key Format Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Steps for Configuring and Using SSH for Switch and Client
Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
General Operating Rules and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Configuring the Switch for SSH Operation . . . . . . . . . . . . . . . . . . . . . . 4-9
1. Assigning a Local Login (Operator) and Enable
(Manager) Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
2. Generating the Switch’s Public and Private Key Pair . . . . . . . . . . 4-10
3. Providing the Switch’s Public Key to Clients . . . . . . . . . . . . . . . . . . 4-12
4. Enabling SSH on the Switch and Anticipating SSH Client
Contact Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
5. Configuring the Switch for SSH Authentication . . . . . . . . . . . . . . . 4-18
6. Use an SSH Client To Access the Switch . . . . . . . . . . . . . . . . . . . . . 4-21
Further Information on SSH Client Public-Key
Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Messages Related to SSH Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
!FishSecurity.book Page 1 Thursday, October 10, 2002 9:19 PM

HP ProCurve Switch 2650 Specifications

General

Switching Capacity	13.6 Gbps
Forwarding Rate	10.1 Mpps
Layer	Layer 2
Form Factor	Rack-mountable
Flash Memory	8 MB
Jumbo Frame Support	Yes
Power Supply	Internal
Management	Web, CLI, SNMP
Features	VLAN support, IGMP snooping, QoS
Operating Temperature	0°C to 45°C (32°F to 113°F)
Operating Humidity	15% to 95% (non-condensing)
Ports	48 x 10/100
MAC Address Table Size	8, 000 entries