Foreign Mapping/ Auto Anchor Mobility

In this post we will learn about how to configure the foreign mapping between 2 controllers.

Auto-Anchor mobility, also known as Foreign Mapping, allows us to configure users that are on different foreign controllers from different physical location to obtain IP addresses from a subnet or group of subnets based on their physical location.

  1. First of all Both controller must have added each other in its mobility list.
  2. Auto anchoring must have conifgured.

How to Configure Mobility

How to Configure Auto Anchoring

Steps to conifgure Foreign Maping on Anchor ControllerL

***Make sure that it is only configured on Anchor Controller or where we want to terminate the client to get IP address.

Step1: Select the WLANs tab.

Step2: Click the Blue drop down arrow for the WLAN(iN my case RSCCIEW) and choose Foreign-Maps.

Step3: The foreign mappings page appears. This page also lists the MAC addresses of the foreign controllers that are in the mobility group and interfaces which are created on Anchor WLC.

Step4: Select the desired foreign controller MAC(WLC2 in my case) and the interface(rscciew) to which it must be mapped and click on Add Mapping.

Anchor WLC configuration:

Foreignmap1

Foreignmap2

Foreignmap3

Foreignmap4

Verification:

Anchor WLC:

(WLC1) >show client  summary
 Number of Clients................................ 2
 GLAN/
 RLAN/
 MAC Address       AP Name           Slot Status        WLAN  Auth Protocol         Port Wired PMIPV6  Role
 ----------------- ----------------- ---- ------------- ----- ---- ---------------- ---- ----- ------- ----------------
 48:43:7c:8b:c3:92 192.168.10.3         N/A Associated     3    Yes  Mobile           13   No    No      Export Anchor
(WLC1) >show client detail 48:43:7c:8b:c3:92
 Client MAC Address............................... 48:43:7c:8b:c3:92
 Client Username ................................. N/A
 AP MAC Address................................... 00:00:00:00:00:00
 AP Name.......................................... N/A
 AP radio slot Id................................. N/A
 Client State..................................... Associated
 Client User Group................................
 Client NAC OOB State............................. Access
 Wireless LAN Id.................................. 3
 Wireless LAN Network Name (SSID)................. RSCCIEW
 Wireless LAN Profile Name........................ RSCCIEW
 Hotspot (802.11u)................................ Not Supported
 BSSID............................................ 00:00:00:00:00:ff
 Connected For ................................... 133 secs
 Channel.......................................... N/A
 IP Address....................................... 192.168.82.11
 Gateway Address.................................. 192.168.82.254
 Netmask.......................................... 255.255.255.0
 IPv6 Address..................................... fe80::
 Association Id................................... 0
 Authentication Algorithm......................... Open System
 Reason Code...................................... 1
 Status Code...................................... 0
 Session Timeout.................................. 0
 Client CCX version............................... No CCX support
 QoS Level........................................ Silver
 Avg data Rate.................................... 0
 Burst data Rate.................................. 0
 Avg Real time data Rate.......................... 0
 Burst Real Time data Rate........................ 0
 802.1P Priority Tag.............................. disabled
 CTS Security Group Tag........................... Not Applicable
 KTS CAC Capability............................... No
 WMM Support...................................... Disabled
 Supported Rates..................................
 Mobility State................................... Export Anchor
 Mobility Foreign IP Address...................... 192.168.10.3
 Mobility Move Count.............................. 1
 Security Policy Completed........................ Yes
 Policy Manager State............................. RUN
 Policy Manager Rule Created...................... Yes
 Audit Session ID................................. 0a63500100000085546f33bd
 AAA Role Type.................................... none
 Local Policy Applied............................. none
 IPv4 ACL Name.................................... none
 FlexConnect ACL Applied Status................... Unavailable
 IPv4 ACL Applied Status.......................... Unavailable
 IPv6 ACL Name.................................... none
 IPv6 ACL Applied Status.......................... Unavailable
 Layer2 ACL Name.................................. none
 Layer2 ACL Applied Status........................ Unavailable
 mDNS Status...................................... Enabled
 mDNS Profile Name................................ default-mdns-profile
 No. of mDNS Services Advertised.................. 0
 Policy Type...................................... N/A
 Encryption Cipher................................ None
 Protected Management Frame ...................... No
 Management Frame Protection...................... No
 EAP Type......................................... Unknown
 Interface........................................ rscciew
 VLAN............................................. 82
 Quarantine VLAN.................................. 0
 Access VLAN...................................... 82
 Local Bridging VLAN.............................. 10
 .
 .
 (WLC1) >

Foreign WLC:

(WLC2) >show client summary
 Number of Clients................................ 1
 RLAN/
 MAC Address       AP Name           Slot Status        WLAN  Auth Protocol         Port Wired PMIPV6 Role
 ----------------- ----------------- ---- ------------- ----- ---- ---------------- ---- ----- ------ ----------------
 48:43:7c:8b:c3:92 AP002             1   Associated     5    Yes  802.11n(5 GHz)   1    N/A   No     Export foreign
(WLC2) >show client detail 48:43:7c:8b:c3:92
 Client MAC Address............................... 48:43:7c:8b:c3:92
 Client Username ................................. N/A
 AP MAC Address................................... 84:80:2d:c3:6c:d0
 AP Name.......................................... AP002
 AP radio slot Id................................. 1
 Client State..................................... Associated
 Client NAC OOB State............................. Access
 Wireless LAN Id.................................. 5
 Hotspot (802.11u)................................ Not Supported
 BSSID............................................ 84:80:2d:c3:6c:db
 Connected For ................................... 123 secs
 Channel.......................................... 64
 IP Address....................................... 192.168.82.11
 Gateway Address.................................. Unknown
 Netmask.......................................... Unknown
 IPv6 Address..................................... fe80::
 Association Id................................... 2
 Authentication Algorithm......................... Open System
 Reason Code...................................... 1
 Status Code...................................... 0
 Session Timeout.................................. 0
 Client CCX version............................... No CCX support
 QoS Level........................................ Silver
 Avg data Rate.................................... 0
 Burst data Rate.................................. 0
 Avg Real time data Rate.......................... 0
 Burst Real Time data Rate........................ 0
 802.1P Priority Tag.............................. disabled
 CTS Security Group Tag........................... Not Applicable
 KTS CAC Capability............................... No
 WMM Support...................................... Enabled
 APSD ACs.......................................  BK  BE  VI  VO
 Power Save....................................... ON
 Current Rate..................................... m7
 Supported Rates.................................. 6.0,9.0,12.0,18.0,24.0,36.0,
 ............................................. 48.0,54.0
 Mobility State................................... Export Foreign
 Mobility Anchor IP Address....................... 192.168.10.1
 Mobility Move Count.............................. 0
 Security Policy Completed........................ Yes
 Policy Manager State............................. RUN
 Policy Manager Rule Created...................... Yes
 Audit Session ID................................. 0a63500300000073546f33bd
 AAA Role Type.................................... none
 Local Policy Applied............................. none
 IPv4 ACL Name.................................... none
 FlexConnect ACL Applied Status................... Unavailable
 IPv4 ACL Applied Status.......................... Unavailable
 IPv6 ACL Name.................................... none
 IPv6 ACL Applied Status.......................... Unavailable
 Layer2 ACL Name.................................. none
 Layer2 ACL Applied Status........................ Unavailable
 mDNS Status...................................... Enabled
 mDNS Profile Name................................ default-mdns-profile
 No. of mDNS Services Advertised.................. 0
 Policy Type...................................... WPA2
 Authentication Key Management.................... PSK
 Encryption Cipher................................ CCMP (AES)
 Protected Management Frame ...................... No
 Management Frame Protection...................... No
 EAP Type......................................... Unknown
 Interface........................................ management
 VLAN............................................. 10
 Quarantine VLAN.................................. 0
 Access VLAN...................................... 10
 .
 .
 (WLC2) >

That’s all about Foreign Mapping 🙂

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