Cisco ISE 2.0 – Guest authentication ISE configuration

This is a 4 part blog series about configuring Cisco ISE 2.0 for WLAN authentication and WLAN Guest authentication (split into two parts) on a Cisco Wireless LAN Controller (WLC).

ISEimageFor more guides about configuring (previous) Cisco ISE, see this page.This is part 4, the ISE configuration for guest access

Configure Cisco ISE

The Authorization profile will be created first, then the authentication and authorization policies are configured.

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Cisco ISE 2.0 – Guest Authentication

This is a 4 part blog series about configuring Cisco ISE 2.0 for WLAN authentication and WLAN Guest authentication (split into two parts) on a Cisco Wireless LAN Controller (WLC).ISEimage

For more guides about configuring (previous) Cisco ISE, see this page.This is part 3, configuring the Cisco WLC for guest access.

Configure WLAN’s on WLC

  1. Navigate to WLAN’s, Create new

Picture12. Configure General Settings:

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Cisco ISE 2.0 – Employee Authentication Based on 802.1x (User auth)

This is a 4 part blog series about configuring Cisco ISE 2.0 for WLAN authentication and WLAN Guest authentication (split into two parts) on a Cisco Wireless LAN Controller (WLC).ISEimage

For more guides about configuring (previous) Cisco ISE, see this page.This is part 2, creating authentication and authorization policies.

Create authentication policy

  1. Navigate to Policy, Authentication
  2. Edit, Wired_802.1X to include Wireless_802.1X, and select “ehlo.lan” domain store.

Picture1

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Cisco ISE 2.0 Active Directory & Radius

This is a 4 part blog series about configuring Cisco ISE 2.0 for WLAN authentication and WLAN Guest authentication (split into two parts) on a Cisco Wireless LAN Controller (WLC).

ISEimageFor more guides about configuring (previous) Cisco ISE, see this page.This is part 1, the prerequisites before you can start configuring any authentication method.

Add ISE to Active Directory domain

Login into ISE and add ISE to the Active Directory domain by following these steps:

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Cisco ISE Part 10: Profiling and posture

This is a Cisco ISE blog post series with some how-to’s for configuring the ISE deployment, This blog post series exists of 10 parts.

The blogpost Agenda:

Part 1: introduction
Part 2: installation
Part 3: Active Directory
Part 4: High Availability
Part 5: Configuring wired network devices
Part 6: Policy enforcement and MAB
Part 7: Configuring wireless network devices
Part 8: Inline posture and VPN
Part 9: Guest and web authentication
Part 10: Profiling and posture

This week, the last post in the Cisco ISE blog post series: Profiling and posture. For both features is the Cisco ISE advanced license required.

Profiler is a functionality for discovering, locating and determing the capabilities of the attached endpoints. It will detect the network type and will authorize it.

A sensor in the network captures network packets by quering the NADs, it forwards the attributes to the analyzer. The analyzer checks the attributes using policies and identity groups. The results is stored in the ISE database with the corresponding device profile. The MAC address of the device will be linked to a existing endpoint identity group.

There are 9 availabled probes:

  • Netflow
  • DHCP
  • DHCP SPAN
  • HTTP
  • RADIUS
  • NMAP
  • DNS
  • SNMPQUERY
  • SNMPTRAP

Profiling uses CoA (change of authorization). There are 3 options:

  • No CoA: CoA is disabled
  • Port bounce: use this only of there is a single session on a switchport
  • Reauth: enforce reauthentication of a currently authenticated endpoint when it’s profiled

ISE creates three identity groups by default and two identity groups that are specific for Cisco IP phones. Creation of extra groups is optional.

An endpoint profiling policy contains a simple condition or a set of conditions (compound).

Configuring

Probe configuration

First, make sure the ISE appliance can SNMP to the switches (SNMPv2 or 3) with a read only community string. Also, configure a snmp trap destination to Cisco ISE policy node.

Switch(config)# snmp-server host 172.20.12.5 version 3 priv ISE
Switch(config)# snmp-server enable traps snmp linkdown linkup
Switch(config)# snmp-server enable traps mac-notification change move

On all interfaces:
Switch(config-if)# snmp trap mac-notification change added

For DHCP probing, configure an additional IP helper on the SVI to the policy node:

Switch(config-if)# ip helper-address 172.20.12.5

Cisco ISE configuration

Click Administration – System – Settings, click Profiling and configure the CoA.

profile5

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