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Test your basic knowledge |
CCNP Wireless Security
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccnp
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the IEEE Standards version of MFP
ACL - or Interface-name configured in ACS -1. Interface Configuration --> RADIUS (Cisco Airspace) and check off: Air-Qos-Level - Aire-DSCP - Aire-802.1p tag - Aire-Interface-name - Air-ACL-Name
1. client -> authenticator: eapol_start 2. authenticator -> client: eap request/identity 3. client -> authenticator: eap response/identity 4. authenticator -> aaa: radius access request 5. aaa -> client: eap-tls handshake 6.aaa -> authenticator: radi
1. Guest User 2. Sponsor 3. Network Enforcement Device (ie wlc) 4. NGS Server itself
802.11w
2. 3 modes of radius fallback
checking allow aaa over-ride in the wlan-->advanced.
puts the ap and client through tests to isolate connection issues. This disables the wlan while doing this. Can be used to diagnose .1x auth - .11 association etc. if using ccxv5
1. Off (default) - moves down list and uses next server indefinately. 2. Passive -- Upon failure - server is marked as inactive for (300 seconds) then is put back in list and tried again (if its highest priority). 3. Active -- Actively probes failed
802.11w
3. Steps to setting up out-of-band virtual gateway setup on the NAS & NAM
1. on NAS create an oob profile for the WLC 2. Create a new device in NAM - specifying the WLC mgmt ip 3. device mgmnt-->NAS & add the NAS ip as an oob virt. gateway 4. still on nams nas config page - enter the nas trusted int. ip & untrusted int vla
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
300ms
puts the ap and client through tests to isolate connection issues. This disables the wlan while doing this. Can be used to diagnose .1x auth - .11 association etc. if using ccxv5
4. Ports to open on fw to allow foreign to anchor controller tunnel to be built
on the WLC -1. Configure an Access vlan & check the quarentine vlan - giving it the quarentine vlan tag 2. on wired net connect the Quarenteen vlan to the untrusted NAS interface. 3. Connect the access vlan to the trusted int. on the nas 4. config sn
802.11i - 802.11r - 802.11w & 802.11n
UDP 5246 & 5247
1. udp 16666 for control traffic 2. IP Protocol 97 (EoIP) for client data traffic
5. What protocol to WLCs use to communicate with IPS
1. RSSI 2. Duration 3. Client Count 4. No encryption 5. Managed SSID (ie UNLV) 6. SSID
US: 1. HIPAA 2. GLBA 3. FFIEC 4. SOX 5. FIPS 6. NIAP Canada: 1. PIPEDA Japan: 1. JPIPA
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
HTTPS
6. What must be configd on ACS to enable dot1x from switch
1 AP per 15 -000 sq. feet.
grouping WLCs or map areas - so Lobby ambassadors can create guest accounts only on certain wlcs
1. Create user acct. in IDS for each WLC in the viewer role 2. add the WLCs IP as an allowed host 3. Obtain the IPS TLS Fingerprint & add it to WLC 4. Enable the client exclusion policy on the WLAN 5. Set msg log level to Alerts to log IPS events
EAP-FAST with anonymous pac provisioning
7. Peap fast reconnect
on the WLC -1. Configure an Access vlan & check the quarentine vlan - giving it the quarentine vlan tag 2. on wired net connect the Quarenteen vlan to the untrusted NAS interface. 3. Connect the access vlan to the trusted int. on the nas 4. config sn
AES-Key Wrap
a mobility list can contain multiple mobility groups
after authentication - the client & radius server cache session keys for a configurable amount of time
8. What is a mobility list used for
x509v3 certificate
1. NAC Guest Server (NGS) - Like a RADIUS server when people can create guest accounts 2. Nac Manager (NAM) - Centrilized server for creating policies & profiles that determine network access. 3. Network Access Server (NAS) - The device which control
when you want some wlcs to be part of the same mobility group - but not others.
100 local accounts max
9. What is the WLAN-->Advanced--> DIagnostic Channel used for
1. client begins in Quarenteen vlan & NAA sends posture assesment to NAS 2. assesment is verified against policies in NAM 3. If in compliance - client is moved to access vlan. If not - NAS sends remediation info to client 4 NAA guides user through re
puts the ap and client through tests to isolate connection issues. This disables the wlan while doing this. Can be used to diagnose .1x auth - .11 association etc. if using ccxv5
AES-Key Wrap
1. Log into cert. server - from ACS -and click link to install it locally 2. Log into ACS and install cert into local store 3. DL cert chain from CA to ACS store 4. Tell ACS to use that cert from its store 5. restart ACS 6. log back into ACS and inst
10. How fast is fast secure roaming
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
EAP-FAST with anonymous pac provisioning
Asymetric (public & Private key-pair)
-150ms
11. NAC Deployment Types
1. In-band virtual gateway -- is at L2 and intercepts all traffic and re-tags the default/untrusted vlan to the trusted vlan - based on compliance 2. In-Band Real IP Gateway - is the gateway 3. Out-of-band virtual gateway (same is 1 - except traffic
WLC RADIUS server only works if passwords are sent in Clear-text from LDAP.
Asymetric (public & Private key-pair)
ACL - or Interface-name configured in ACS -1. Interface Configuration --> RADIUS (Cisco Airspace) and check off: Air-Qos-Level - Aire-DSCP - Aire-802.1p tag - Aire-Interface-name - Air-ACL-Name
12. What kind of mgmt frames does client mfp protect
1. Wireless-->AP Global Config-->enable dot1x w/ user/pass 2. Config the switch port to enable auth. to ACS/RADIUS
clients are load ballanced between them - this can not be configured otherwise.
1. disassociation 2. deauthentication 3.QoS (WMM)
DTLS (Datagram Transport Layer Security)
13. Switchport config to enable dot1x on a port
switchport mode access - dot1x pae authenticator - dot1x port-control auto
1. disassociation 2. deauthentication 3.QoS (WMM)
1. User performs .1x with RADIUS 2. WLC forwards radius accounting start to NAM (along with clients IP) 3. clients NAA detects network con. & tries to connect to NAM. 4. NAS Intercepts step 3 & contacts NAM itself to see if client is in the online li
what must you ensure -1.Exportable 2.Server Auth Cert 3.Store cert in local cert store
14. What CCX version is required for CCKM
same as steps to roaming in non-802.1R except: skips PMK negotiation & piggybacks PTK & QoS with the 802.11 authentication & association messages
1812 - Authentication 1813 - Authorization
specifies fast bss transitions by allowing negotiations and requests for wireless resources to occur simultaneously. Does this by allowing for part of the key to be cached (server key) among the network - so full 802.1x auth. isnt required
1. v2 - LEAP 2. v3 - EAP-FAST 3. v4 - PEAP & EAP-TLS
15. WLC Tacacs+ roles
assigning multiple vlans to single wlan - and users are dynamically mapped to one of the vlans in round-robin
DTLS (Datagram Transport Layer Security)
1. application type 2. security capabilities 3. QoS policy
Corrospond to top-menu GUI items (wireless - security - monitor etc)
16. What must be configured the same for an HREAP not to disconnect clients when failing over (or back) to a WLC
clients are load ballanced between them - this can not be configured otherwise.
Security --> Advanced --> CIDS --> Sensors
1. VLAN Mapping 2. WLAN Ordering 3. WLAN Configuration
US: 1. HIPAA 2. GLBA 3. FFIEC 4. SOX 5. FIPS 6. NIAP Canada: 1. PIPEDA Japan: 1. JPIPA
17. How does CCKM simplify PMK Caching
puts the ap and client through tests to isolate connection issues. This disables the wlan while doing this. Can be used to diagnose .1x auth - .11 association etc. if using ccxv5
when you want some wlcs to be part of the same mobility group - but not others.
DTLS (Datagram Transport Layer Security)
1. PMK is only valid for 1 hour -- CCKM creates a main key & derives secondary keys. These secondary keys are sent to all wlc/aps.
18. Briefly describe eap-tls
switchport mode access - dot1x pae authenticator - dot1x port-control auto
checking allow aaa over-ride in the wlan-->advanced.
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
uses certificates
19. IAPP roaming protocol
1. Allow EAP-MSCHAPv2 2. Allow EAP-GTC 3. Check Posture Validation when doing NAC
1. RSSI 2. SNR 3. Load-Ballancing
1. Guest User 2. Sponsor 3. Network Enforcement Device (ie wlc) 4. NGS Server itself
Inter Access Point Protocol uses UDP between aps to exchange information about new aps (announce) in the area and handoffs that have occurred when client roams
20. How is encryption established between OEAP & Anchor WLC
1. config mobility list to support anchor & foreign wlcs (using different mob. groups on ea. to keep auth. seperate between anchor & foreigns) 2. Map the guest wlan on foreign wlc to either mgmt int. or fake dynamic int. (ie dynamic int tied to a vla
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
x509 cert to establish DTLS capwap control tunnel. It can be either 1. LSC 2. MIC (Mafctr installed cert) or 3. SSC
21. Client Roaming Reasons
is provided to clients as they associate - including neighbor ap info like channel - rssi etc.
US: 1. HIPAA 2. GLBA 3. FFIEC 4. SOX 5. FIPS 6. NIAP Canada: 1. PIPEDA Japan: 1. JPIPA
1. RSSI 2. SNR 3. Load-Ballancing
WLC sends a roam-request to a client when it can better serve that client on a different AP. Client can accept or ignore. CCXv4+
22. What kind of local 802.1x auth. does HREAP support
1. Log into cert. server - from ACS -and click link to install it locally 2. Log into ACS and install cert into local store 3. DL cert chain from CA to ACS store 4. Tell ACS to use that cert from its store 5. restart ACS 6. log back into ACS and inst
1. Interfac Configuration --> RADIUS (IETF) --> check 64 (Tunnel Type) - 65 (Tunnel Medium Type) - 81 (Tunnel Private-group-id) 2. Navigate to Group Setup and enable the checkboxes for the previous attributes - where 64=VLAN - 65=802 - 81=<Vlan_tag>
on the WLC -1. Configure an Access vlan & check the quarentine vlan - giving it the quarentine vlan tag 2. on wired net connect the Quarenteen vlan to the untrusted NAS interface. 3. Connect the access vlan to the trusted int. on the nas 4. config sn
1. LEAP 2. EAP-FAST
23. Steps to roaming in non802.1R
100 local accounts max
mping = tests intercontroller control traffic. eping = tests intercontroller data traffic (EoIP)
EAP-FAST with anonymous pac provisioning
1. Scanning - for other aps in the area 2. exchanging 802.11 auth messages (first from client then from ap) w/ the target ap 3. exchanging re-association messages with target ap 4. dot1x master key (PMK) negotiation 5. key derivation - 4way handshake
24. Encryption types used by SNMPv3
UDP 5246 & 5247
Proactive Key Caching (PKC) or CCKM
1. CBC-DES 2. CFB-AES-128
clients are load ballanced between them - this can not be configured otherwise.
25. 6 criteria types for rogue classification
after authentication - the client & radius server cache session keys for a configurable amount of time
1. Log into cert. server - from ACS -and click link to install it locally 2. Log into ACS and install cert into local store 3. DL cert chain from CA to ACS store 4. Tell ACS to use that cert from its store 5. restart ACS 6. log back into ACS and inst
1. Interfac Configuration --> RADIUS (IETF) --> check 64 (Tunnel Type) - 65 (Tunnel Medium Type) - 81 (Tunnel Private-group-id) 2. Navigate to Group Setup and enable the checkboxes for the previous attributes - where 64=VLAN - 65=802 - 81=<Vlan_tag>
1. RSSI 2. Duration 3. Client Count 4. No encryption 5. Managed SSID (ie UNLV) 6. SSID
26. Whats in CCXv4?
DTLS (Datagram Transport Layer Security)
clients are load ballanced between them - this can not be configured otherwise.
ACL - or Interface-name configured in ACS -1. Interface Configuration --> RADIUS (Cisco Airspace) and check off: Air-Qos-Level - Aire-DSCP - Aire-802.1p tag - Aire-Interface-name - Air-ACL-Name
peap-mschapv2 - eap-tls - mfp-v1 - nac
27. Steps to config. .1x for AP to WLC connections
1. Wireless-->AP Global Config-->enable dot1x w/ user/pass 2. Config the switch port to enable auth. to ACS/RADIUS
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
1. Scanning - for other aps in the area 2. exchanging 802.11 auth messages (first from client then from ap) w/ the target ap 3. exchanging re-association messages with target ap 4. dot1x master key (PMK) negotiation 5. key derivation - 4way handshake
1. on NAS create an oob profile for the WLC 2. Create a new device in NAM - specifying the WLC mgmt ip 3. device mgmnt-->NAS & add the NAS ip as an oob virt. gateway 4. still on nams nas config page - enter the nas trusted int. ip & untrusted int vla
28. How does client MFP work
enables Identity Based Netowrking (IBN) where wlan settings are changed per-user (qos - vlan - acls - or timeouts)
Clients download a key for their wlan - after auth - so they can understand that IE in the mgmt frame
switchport mode access - dot1x pae authenticator - dot1x port-control auto
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
29. Will foreign/anchor communication work through PAT?
after authentication - the client & radius server cache session keys for a configurable amount of time
no
Clients send info re: previously associated aps to current ap - so it can use this information to inform current clients about neighboring aps. Requires CCXv2
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
30. What is included in a Pairwise Transient Key (PTK)
1. RSSI 2. SNR 3. Load-Ballancing
specifies fast bss transitions by allowing negotiations and requests for wireless resources to occur simultaneously. Does this by allowing for part of the key to be cached (server key) among the network - so full 802.1x auth. isnt required
1. Temporal Key for Unicast 2. Key Confirmation Key (KCK) - used for group handshakes 3. Key Encryption Key (KEK) - for encrypting the group encyrption key used to derive the braodcast/multicast keys.
Proactive Key Caching (PKC) or CCKM
31. What is used for HREAP Roaming re: keying
1 AP per 15 -000 sq. feet.
Controll is (mgmnt) not data. To encrypt data: check data encryption under advanced tab of ap config
1. RSSI 2. SNR 3. Load-Ballancing
WLCs create a deriviative of the PMK - called Opportunistic Key Caching (OPC) for fast-roaming among HREAPs in the same HREAP group.
32. When will a WLC use a Local EAP profile?
1812 - Authentication 1813 - Authorization
Only when all the RADIUS servers defined globally are unreachable. (ie. even if not called out under WLAN-->AAA - the global RADIUS servers will be used instead of local profile)
1. LEAP 2. EAP-FAST
assigning multiple vlans to single wlan - and users are dynamically mapped to one of the vlans in round-robin
33. Encryption algorithm used by Certificates
DTLS (Datagram Transport Layer Security)
Proactive Key Caching (PKC) or CCKM
x509 cert to establish DTLS capwap control tunnel. It can be either 1. LSC 2. MIC (Mafctr installed cert) or 3. SSC
Asymetric (public & Private key-pair)
34. Whats included in 802.11-2012
802.11i - 802.11r - 802.11w & 802.11n
1. on NAS create an oob profile for the WLC 2. Create a new device in NAM - specifying the WLC mgmt ip 3. device mgmnt-->NAS & add the NAS ip as an oob virt. gateway 4. still on nams nas config page - enter the nas trusted int. ip & untrusted int vla
300ms
1. Scanning - for other aps in the area 2. exchanging 802.11 auth messages (first from client then from ap) w/ the target ap 3. exchanging re-association messages with target ap 4. dot1x master key (PMK) negotiation 5. key derivation - 4way handshake
35. Whats added in CCXv5?
what occurs as a client roams to new ap -WLC forwards cached PMK to AP. Client then forms a Pairwise Transient Key (PTK) via 4-way handshake w/ ap.
Asymetric (public & Private key-pair)
same as steps to roaming in non-802.1R except: skips PMK negotiation & piggybacks PTK & QoS with the 802.11 authentication & association messages
mfp-v2
36. Why add an IPS if WLCs already detect attacks.
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
100 local accounts max
mfp-v2
1. RSSI 2. Duration 3. Client Count 4. No encryption 5. Managed SSID (ie UNLV) 6. SSID
37. How long before an HREAP goes into disconnected/standalone mode
300ms
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
1. on NAS create an oob profile for the WLC 2. Create a new device in NAM - specifying the WLC mgmt ip 3. device mgmnt-->NAS & add the NAS ip as an oob virt. gateway 4. still on nams nas config page - enter the nas trusted int. ip & untrusted int vla
WLC generates a Message Integrity Check Information Element (MIC IE) - which includes a sequence # - and aps add it to each mgmt frame. Clients ignore this IE - as they do not understand it.
38. Steps to posture assesment
1. client begins in Quarenteen vlan & NAA sends posture assesment to NAS 2. assesment is verified against policies in NAM 3. If in compliance - client is moved to access vlan. If not - NAS sends remediation info to client 4 NAA guides user through re
Allows intel clients to request a neighbor list at will.
1 AP per 15 -000 sq. feet.
WLC generates a Message Integrity Check Information Element (MIC IE) - which includes a sequence # - and aps add it to each mgmt frame. Clients ignore this IE - as they do not understand it.
39. Directed Roam Request
uses TLS to secure other eap methods like certs - user/pass - smart cards. Identifies itself to client with certificate. Utilizes: fast reconnect (faster roaming w/ key caching) and server authentication
1. Interfac Configuration --> RADIUS (IETF) --> check 64 (Tunnel Type) - 65 (Tunnel Medium Type) - 81 (Tunnel Private-group-id) 2. Navigate to Group Setup and enable the checkboxes for the previous attributes - where 64=VLAN - 65=802 - 81=<Vlan_tag>
802.11i - 802.11r - 802.11w & 802.11n
WLC sends a roam-request to a client when it can better serve that client on a different AP. Client can accept or ignore. CCXv4+
40. What is Ciscos gold confidence level deployment of wIPS aps in a walled environment
1. udp 16666 for control traffic 2. IP Protocol 97 (EoIP) for client data traffic
1. Scanning - for other aps in the area 2. exchanging 802.11 auth messages (first from client then from ap) w/ the target ap 3. exchanging re-association messages with target ap 4. dot1x master key (PMK) negotiation 5. key derivation - 4way handshake
mping = tests intercontroller control traffic. eping = tests intercontroller data traffic (EoIP)
1 AP per 15 -000 sq. feet.
41. What must be configured for SSO authentication to work
1. Off (default) - moves down list and uses next server indefinately. 2. Passive -- Upon failure - server is marked as inactive for (300 seconds) then is put back in list and tried again (if its highest priority). 3. Active -- Actively probes failed
It handles .1x & NAC auth. with Single Sign on. WLC forwards RADIUS accounting messages (of EAPOL Success) to the NAC upon login - authing the client to nac - & then it goes through posturing
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
what occurs as a client roams to new ap -WLC forwards cached PMK to AP. Client then forms a Pairwise Transient Key (PTK) via 4-way handshake w/ ap.
42. Things to Enable in ACS (Global Authentication Page) for PEAP support
1. Allow EAP-MSCHAPv2 2. Allow EAP-GTC 3. Check Posture Validation when doing NAC
1. Guest User 2. Sponsor 3. Network Enforcement Device (ie wlc) 4. NGS Server itself
1. NAC Guest Server (NGS) - Like a RADIUS server when people can create guest accounts 2. Nac Manager (NAM) - Centrilized server for creating policies & profiles that determine network access. 3. Network Access Server (NAS) - The device which control
WLC generates a Message Integrity Check Information Element (MIC IE) - which includes a sequence # - and aps add it to each mgmt frame. Clients ignore this IE - as they do not understand it.
43. How is IBN-VLAN Selection implemted in ACS
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
1. CBC-DES 2. CFB-AES-128
1. Interfac Configuration --> RADIUS (IETF) --> check 64 (Tunnel Type) - 65 (Tunnel Medium Type) - 81 (Tunnel Private-group-id) 2. Navigate to Group Setup and enable the checkboxes for the previous attributes - where 64=VLAN - 65=802 - 81=<Vlan_tag>
mfp-v2
44. How does infrastructure MFP work
WLC generates a Message Integrity Check Information Element (MIC IE) - which includes a sequence # - and aps add it to each mgmt frame. Clients ignore this IE - as they do not understand it.
x509v3 certificate
1. In-band virtual gateway -- is at L2 and intercepts all traffic and re-tags the default/untrusted vlan to the trusted vlan - based on compliance 2. In-Band Real IP Gateway - is the gateway 3. Out-of-band virtual gateway (same is 1 - except traffic
1. Scanning - for other aps in the area 2. exchanging 802.11 auth messages (first from client then from ap) w/ the target ap 3. exchanging re-association messages with target ap 4. dot1x master key (PMK) negotiation 5. key derivation - 4way handshake
45. Briefly describe eap-mschapv2
Check Shell(exec) then define roles as role1=MANAGEMENT role2=WLAN role3...etc
used with PEAP for user/password authentication
WLC sends a roam-request to a client when it can better serve that client on a different AP. Client can accept or ignore. CCXv4+
1. Interfac Configuration --> RADIUS (IETF) --> check 64 (Tunnel Type) - 65 (Tunnel Medium Type) - 81 (Tunnel Private-group-id) 2. Navigate to Group Setup and enable the checkboxes for the previous attributes - where 64=VLAN - 65=802 - 81=<Vlan_tag>
46. Is data encrypted over a capwap tunnel?
Only when all the RADIUS servers defined globally are unreachable. (ie. even if not called out under WLAN-->AAA - the global RADIUS servers will be used instead of local profile)
EAP-FAST with anonymous pac provisioning
Controll is (mgmnt) not data. To encrypt data: check data encryption under advanced tab of ap config
x509 cert to establish DTLS capwap control tunnel. It can be either 1. LSC 2. MIC (Mafctr installed cert) or 3. SSC
47. Enhanced Neighbor list - E2E
puts the ap and client through tests to isolate connection issues. This disables the wlan while doing this. Can be used to diagnose .1x auth - .11 association etc. if using ccxv5
Allows intel clients to request a neighbor list at will.
Clients download a key for their wlan - after auth - so they can understand that IE in the mgmt frame
when you want some wlcs to be part of the same mobility group - but not others.
48. Why is fast secure roaming used
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
MFP-1 protects infrastructure from management frame attacks (ie aps only). MFP-2 Protects both infrastructure & clients
1. Captive Portal 2. NAA (agent installed on windows); auth twice (1 to radius 2 to nac) 3. NAA w/ SSO - user authss once. & wlc auths to nac on their behalf.
49. Main elements of a NAC deployment
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
assigning multiple vlans to single wlan - and users are dynamically mapped to one of the vlans in round-robin
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
1. NAC Guest Server (NGS) - Like a RADIUS server when people can create guest accounts 2. Nac Manager (NAM) - Centrilized server for creating policies & profiles that determine network access. 3. Network Access Server (NAS) - The device which control
50. Methods for authenticating to NAC
1. Min. RSSI 2. Roam Hysterisis - how much higher than current RSSI compared to neighbor ap RSSI before roaming request initiates 3. Scan Threshold - How low the current RSSI must be for the client to start scanning for a better ap 4. Transition Time
Clients download a key for their wlan - after auth - so they can understand that IE in the mgmt frame
1. Integrated -- wIPS monitor mode aps are part of client-serving infrastructure 2. Overlay -- wIPS aps - WCS & WLCs are totally seperate
1. Captive Portal 2. NAA (agent installed on windows); auth twice (1 to radius 2 to nac) 3. NAA w/ SSO - user authss once. & wlc auths to nac on their behalf.