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The Packet-filtering Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21

Operating Rules for RADIUS-Assigned ACLs . . . . . . . . . . . . . . . . . . . 7-21

Configuring an ACL in a RADIUS Server . . . . . . . . . . . . . . . . . . . . . . . 7-23

Nas-Filter-Rule-Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24

ACE Syntax in RADIUS Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26

Example Using the Standard Attribute (92) In an IPv4 ACL . . . 7-28

Example Using HP VSA 63 To Assign IPv6 and/or IPv4 ACLs . . 7-30

Example Using HP VSA 61 To Assign IPv4 ACLs . . . . . . . . . . . . 7-33

Configuration Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-35

Configuring the Switch To Support RADIUS-Assigned

ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-36

Displaying the Current RADIUS-Assigned ACL Activity

on the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38

Event Log Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43

Causes of Client Deauthentication Immediately

After Authenticating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43

Monitoring Shared Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43

8 Configuring Secure Shell (SSH)

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3

Prerequisite for Using SSH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Public Key Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4

Steps for Configuring and Using SSH

for Switch and Client Authentication . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5

General Operating Rules and Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7

Configuring the Switch for SSH Operation . . . . . . . . . . . . . . . . . . . . . . 8-8

1. Assigning a Local Login (Operator) and

Enable (Manager) Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9

2. Generating the Switch’s Public and Private Key Pair . . . . . . . . . . . 8-9

Configuring Key Lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12

3. Providing the Switch’s Public Key to Clients . . . . . . . . . . . . . . . . . . 8-13

4. Enabling SSH on the Switch and Anticipating SSH

Client Contact Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-15

5. Configuring the Switch for SSH Authentication . . . . . . . . . . . . . . . 8-20

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