SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Whats added in CCXv5?
EAP-FAST with anonymous pac provisioning
x509 cert to establish DTLS capwap control tunnel. It can be either 1. LSC 2. MIC (Mafctr installed cert) or 3. SSC
uses certificates
mfp-v2
2. What are mping and eping used for from the wlc cli
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
Controll is (mgmnt) not data. To encrypt data: check data encryption under advanced tab of ap config
mping = tests intercontroller control traffic. eping = tests intercontroller data traffic (EoIP)
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
3. What does Fast Secure Roaming use re: Keying
100 local accounts max
Proactive Key Caching (PKC) or CCKM
1. Integrated -- wIPS monitor mode aps are part of client-serving infrastructure 2. Overlay -- wIPS aps - WCS & WLCs are totally seperate
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
4. Encryption algorithm used by Certificates
Asymetric (public & Private key-pair)
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>
RSN Tag. Auth Key mgmt will show PSK - or WPA (for 802.1x) Stands for Robust Security Network
802.11w
5. RADIUS UDP Ports
1. RSSI 2. Duration 3. Client Count 4. No encryption 5. Managed SSID (ie UNLV) 6. SSID
1812 - Authentication 1813 - Authorization
Sends the PMK to all WLCs that the client can roam to.
1. CAPWAP 2. NMSP (network mobility services) 3. SNMP 4. SOAP/XML
6. How is IBN implemented on a WLAN
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. 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
after .1x authentication user is forwarded to a splash page. This is done via RADIUS attribute
checking allow aaa over-ride in the wlan-->advanced.
7. What does a wired IPS do compared to the WLC IDS
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. 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
mititgate non-802.11 attacks
Allows intel clients to request a neighbor list at will.
8. Steps to installing Server Cert into ACS
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. 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.
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
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.
9. What ports does OEAP use to connect to anchor WLC
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.
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
UDP 5246 & 5247
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.
10. Eap process/messages
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. Integrated -- wIPS monitor mode aps are part of client-serving infrastructure 2. Overlay -- wIPS aps - WCS & WLCs are totally seperate
mititgate non-802.11 attacks
Clients download a key for their wlan - after auth - so they can understand that IE in the mgmt frame
11. What kind of mgmt frames does client mfp protect
300ms
1. Integrated -- wIPS monitor mode aps are part of client-serving infrastructure 2. Overlay -- wIPS aps - WCS & WLCs are totally seperate
1. disassociation 2. deauthentication 3.QoS (WMM)
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
12. Steps to configure wlcs for guest wlan
UDP 5246 & 5247
1. RSSI 2. SNR 3. Load-Ballancing
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
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
13. Enhanced Neighbor list - E2E
Allows intel clients to request a neighbor list at will.
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. CAPWAP 2. NMSP (network mobility services) 3. SNMP 4. SOAP/XML
1812 - Authentication 1813 - Authorization
14. Briefly describe eap-mschapv2
1. Wireless-->AP Global Config-->enable dot1x w/ user/pass 2. Config the switch port to enable auth. to ACS/RADIUS
used with PEAP for user/password authentication
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.
MFP
15. Client Roaming Reasons
Proactive Key Caching (PKC) or CCKM
1. RSSI 2. SNR 3. Load-Ballancing
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
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
16. What does IBN allow you to assign
peap-mschapv2 - eap-tls - mfp-v1 - nac
1. HMAC-MD5 2. HMAC-SHA
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.
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
17. Ports to open on fw to allow foreign to anchor controller tunnel to be built
WLCs create a deriviative of the PMK - called Opportunistic Key Caching (OPC) for fast-roaming among HREAPs in the same HREAP group.
HTTPS
1. disassociation 2. deauthentication 3.QoS (WMM)
1. udp 16666 for control traffic 2. IP Protocol 97 (EoIP) for client data traffic
18. How is OEAP encrypted
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
DTLS (Datagram Transport Layer Security)
Proactive Key Caching (PKC) or CCKM
HTTPS
19. How does infrastructure MFP work
PKI
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
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.
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.
20. How to set up tacacs roles in ACS for WLC authorization
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
Check Shell(exec) then define roles as role1=MANAGEMENT role2=WLAN role3...etc
Sends the PMK to all WLCs that the client can roam to.
1. WLC must be defined as a VPN Conentrator - in the NAC config. 2. WLC must be configd to send RADIUS acct. to NAC
21. What are the 4 main components of NGS re: guests
mititgate non-802.11 attacks
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
mping = tests intercontroller control traffic. eping = tests intercontroller data traffic (EoIP)
1. Guest User 2. Sponsor 3. Network Enforcement Device (ie wlc) 4. NGS Server itself
22. 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
1. Integrated -- wIPS monitor mode aps are part of client-serving infrastructure 2. Overlay -- wIPS aps - WCS & WLCs are totally seperate
1. disassociation 2. deauthentication 3.QoS (WMM)
Allows intel clients to request a neighbor list at will.
23. What must be configd on ACS to enable dot1x from switch
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
EAP-FAST with anonymous pac provisioning
1. disassociation 2. deauthentication 3.QoS (WMM)
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
24. What is included in a Pairwise Transient Key (PTK)
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.
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+
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)
25. How is IBN-QoS
Check Shell(exec) then define roles as role1=MANAGEMENT role2=WLAN role3...etc
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
a mobility list can contain multiple mobility groups
26. What is the caveat to having redundant anchor controllers
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
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
clients are load ballanced between them - this can not be configured otherwise.
27. What part of an 802.11 Beacon contains the security mechanisms in use
RSN Tag. Auth Key mgmt will show PSK - or WPA (for 802.1x) Stands for Robust Security Network
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
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
28. What is NGS & whats it used for
uses certificates
x509v3 certificate
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)
Nac Guest Server - used for provisioning guest accts - detailed usage reporting - delivery of creds via emai/sms -
29. How to add IPS TLS info to WLC
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
PKI
Does not require re-authentication when a client roams - in an 802.1x/WPA2 environment
Security --> Advanced --> CIDS --> Sensors
30. WLC Tacacs+ roles
mping = tests intercontroller control traffic. eping = tests intercontroller data traffic (EoIP)
Corrospond to top-menu GUI items (wireless - security - monitor etc)
Asymetric (public & Private key-pair)
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
31. Whats in CCXv4?
peap-mschapv2 - eap-tls - mfp-v1 - nac
1. v2 - LEAP 2. v3 - EAP-FAST 3. v4 - PEAP & EAP-TLS
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
dot1x system-auth-control - aaa new-model - aaa authentication dot1x default group radius - radius serve host 10.1.1.2 auth-port 1812 acct port 1813 key <key>
32. What protocol to WLCs use to communicate with IPS
dot1x system-auth-control - aaa new-model - aaa authentication dot1x default group radius - radius serve host 10.1.1.2 auth-port 1812 acct port 1813 key <key>
Asymetric (public & Private key-pair)
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
HTTPS
33. Will foreign/anchor communication work through PAT?
no
UDP 5246 & 5247
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.
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
34. Why add an IPS if WLCs already detect attacks.
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
no
1. CAPWAP 2. NMSP (network mobility services) 3. SNMP 4. SOAP/XML
WLC can detect 802.11 attacks - but not other attacks from valid wireless clients.
35. What kind of local 802.1x auth. does HREAP support
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.
1 AP per 15 -000 sq. feet.
1. LEAP 2. EAP-FAST
UDP 5246 & 5247
36. Difference between MFP-1 & MFP-2
peap-mschapv2 - eap-tls - mfp-v1 - nac
x509v3 certificate
MFP-1 protects infrastructure from management frame attacks (ie aps only). MFP-2 Protects both infrastructure & clients
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)
37. Directed Roam Request
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+
peap-mschapv2 - eap-tls - mfp-v1 - nac
802.11w
MFP-1 protects infrastructure from management frame attacks (ie aps only). MFP-2 Protects both infrastructure & clients
38. Protocols used in wIPS
AES-Key Wrap
UDP 5246 & 5247
1. CAPWAP 2. NMSP (network mobility services) 3. SNMP 4. SOAP/XML
1. VLAN Mapping 2. WLAN Ordering 3. WLAN Configuration
39. 6 criteria types for rogue classification
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
1. RSSI 2. Duration 3. Client Count 4. No encryption 5. Managed SSID (ie UNLV) 6. SSID
1. udp 16666 for control traffic 2. IP Protocol 97 (EoIP) for client data traffic
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
40. Steps to config. .1x for AP to WLC connections
a mobility list can contain multiple mobility groups
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
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.
1. Wireless-->AP Global Config-->enable dot1x w/ user/pass 2. Config the switch port to enable auth. to ACS/RADIUS
41. What is HREAP Local Auth limitation
1 AP per 15 -000 sq. feet.
100 local accounts max
Sends the PMK to all WLCs that the client can roam to.
Proactive Key Caching (PKC) or CCKM
42. Briefly describe peap
switchport mode access - dot1x pae authenticator - dot1x port-control auto
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
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
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
43. What is the radius server override interface option under WLAN-->AAA?
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
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
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
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
44. When will a WLC use a Local EAP profile?
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
1. CAPWAP 2. NMSP (network mobility services) 3. SNMP 4. SOAP/XML
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)
45. Things to Enable in ACS (Global Authentication Page) for PEAP support
dot1x system-auth-control - aaa new-model - aaa authentication dot1x default group radius - radius serve host 10.1.1.2 auth-port 1812 acct port 1813 key <key>
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.
what must you ensure -1.Exportable 2.Server Auth Cert 3.Store cert in local cert store
1. Allow EAP-MSCHAPv2 2. Allow EAP-GTC 3. Check Posture Validation when doing NAC
46. What triggers can initiate a WLC to request a client to roam
Clients download a key for their wlan - after auth - so they can understand that IE in the mgmt frame
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
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
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
47. How does the Nac Appliance Agent (NAA) work cohesively with 802.1x
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
Sends RADIUS packets from a dynamic interface instead of the WLC Mgmt interface address
1. Wireless-->AP Global Config-->enable dot1x w/ user/pass 2. Config the switch port to enable auth. to ACS/RADIUS
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
48. Steps to setting up an out-of-band virtual gateway NAS setup
Controll is (mgmnt) not data. To encrypt data: check data encryption under advanced tab of ap config
MFP-1 protects infrastructure from management frame attacks (ie aps only). MFP-2 Protects both infrastructure & clients
based on auth. group -1. vlan 2. qos 3. acl 4. tunnel attributes
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
49. Steps to adding an IPS
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.
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
Proactive Key Caching (PKC) or CCKM
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
50. How long before an HREAP goes into disconnected/standalone mode
mfp-v2
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
300ms
mititgate non-802.11 attacks