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Cisco 1310 bridges and FreeRadius authentication

Discussion in 'Wireless' started by charmaine, Mar 9, 2011.

  1. charmaine

    charmaine New Member

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    Hi all,


    I have two 1310 bridges...one configured as root and the other as non-root.

    Authentication Settings: Open with EAP and Network EAP with no addition.

    Set up: when non-root bridge tries to associate with root bridge, root bridge checks with radius server if it's ok to associate with the non-root bridge


    I can see communication with the radius server (I'm using FreeRadius) and the radius server even sends a SUCCESS back to the root bridge.

    However I'm seeing this error on the non-root bridge: %DOT1X_SHIM-3-PLUMB_KEY_ERR: Unable to plumb keys - Eap key struct is NULL and the bridges do not authenticate.


    Any ideas how I can solve this issue?


    Event log of nonroot bridge when turning on debug on eap


    *Mar 1 2002 00:16:56: EAP-EVENT: Received context create from lower layer (0x9D000001)
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Using credential profile name: SSID-QaliTest
    *Mar 1 2002 00:16:56: eap_peer : initial state eap_peer_initialize has idle
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_initialize, got event 16383(idle)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_initialize -> eap_peer_idle
    *Mar 1 2002 00:16:56: EAP-EVENT: Allocated new EAP context (handle = 0xDF000050)
    *Mar 1 2002 00:16:56: EAP-EVENT: Received event 'EAP_RX_PACKET' on handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-RX-PAK: Code:REQUEST ID:0x2 Length:0x0030 Type:IDENTITY
    *Mar 1 2002 00:16:56: Payload: 006E6574776F726B69643D51616C6954 ...
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_idle, got event 1(eapReq)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_idle -> eap_peer_received
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP Request received by context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP Request type = Identity
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_received, got event 3(eapIdentity)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_received -> eap_peer_identity
    *Mar 1 2002 00:16:56: eap_peer : idle during state eap_peer_identity
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_identity -> eap_peer_tx_packet
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Using identity: nonroot
    *Mar 1 2002 00:16:56: eap_peer : idle during state eap_peer_tx_packet
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_tx_packet -> eap_peer_sent_packet
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Sending packet to lower layer for context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-TX-PAK: Code:RESPONSE ID:0x2 Length:0x000C Type:IDENTITY
    *Mar 1 2002 00:16:56: Payload: 6E6F6E726F6F74
    *Mar 1 2002 00:16:56: EAP-EVENT: Sending lower layer event 'EAP_TX_PACKET' on handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-EVENT: Started 'Peer Idle' timer (3000s) for EAP sesion handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-EVENT: Started EAP tick timer
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_sent_packet, got event 18(eapMethodContinue)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_sent_packet -> eap_peer_idle
    *Mar 1 2002 00:16:56: EAP-EVENT: Received event 'EAP_RX_PACKET' on handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-RX-PAK: Code:REQUEST ID:0x3 Length:0x0016 Type:MD5
    *Mar 1 2002 00:16:56: Payload: 10117BFC184F00D72609741AA0F866E7 ...
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_idle, got event 1(eapReq)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_idle -> eap_peer_received
    *Mar 1 2002 00:16:56: EAP-EVENT: Stopping 'Peer Idle' timer for EAP sesion handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP Request received by context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP Request type = Method (4)
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: New method type
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_received, got event 4(eapStart)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_received -> eap_peer_get_method
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Checking method (4) for context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Maximum EAP packet size: 1500
    *Mar 1 2002 00:16:56: EAP-EVENT: Sending method directive 'New Context' on handle 0xDF000050
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_get_method, got event 11(eapMethodAllow)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_get_method -> eap_peer_method
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Sending method data for context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-EVENT: Sending method directive 'Receive Packet' on handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP method state: May Continue
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: EAP method decision: Conditional Success
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_method, got event 13(eapMethodTxPacket)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_method -> eap_peer_tx_packet
    *Mar 1 2002 00:16:56: eap_peer : idle during state eap_peer_tx_packet
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_tx_packet -> eap_peer_sent_packet
    *Mar 1 2002 00:16:56: EAP-PEER-EVENT: Sending packet to lower layer for context 0xDF000050
    *Mar 1 2002 00:16:56: EAP-PEER-TX-PAK: Code:RESPONSE ID:0x3 Length:0x0016 Type:MD5
    *Mar 1 2002 00:16:56: Payload: 10E7C887D684B05E0C59F7FB3A468625 ...
    *Mar 1 2002 00:16:56: EAP-EVENT: Sending lower layer event 'EAP_TX_PACKET' on handle 0 0
    QaliTest#no debug a
    *Mar 1 2002 00:16:56: EAP-EVENT: Started 'Peer Idle' timer (3000s) for EAP sesion handle 0xDF000050
    *Mar 1 2002 00:16:56: EAP-EVENT: Started EAP tick timer
    *Mar 1 2002 00:16:56: eap_peer : during state eap_peer_sent_packet, got event 18(eapMethodContinue)
    *Mar 1 2002 00:16:56: @@@ eap_peer : eap_peer_sent_packet -> eap_peer_idlell
    *Mar 1 2002 00:16:58: EAP-EVENT: Received event 'EAP_RX_PACKET' on handle 0xDF000050
    *Mar 1 2002 00:16:58: EAP-PEER-RX-PAK: Code:SUCCESS ID:0x3 Length:0x0004
    *Mar 1 2002 00:16:58: eap_peer : during state eap_peer_idle, got event 1(eapReq)
    *Mar 1 2002 00:16:58: @@@ eap_peer : eap_peer_idle -> eap_peer_received
    *Mar 1 2002 00:16:58: EAP-EVENT: Stopping 'Peer Idle' timer for EAP sesion handle 0xDF000050
    *Mar 1 2002 00:16:58: EAP-PEER-EVENT: EAP Success received by context 0xDF000050
    *Mar 1 2002 00:16:58: eap_peer : during state eap_peer_received, got event 6(eapSuccess)
    *Mar 1 2002 00:16:58: @@@ eap_peer : eap_peer_received -> eap_peer_success
    *Mar 1 2002 00:16:58: EAP-EVENT: Sending method directive 'Free Context' on handle 0xDF000050
    *Mar 1 2002 00:16:58: EAP-EVENT: Sending lower layer event 'EAP_SUCCESS' on handle 0xDF000050
    *Mar 1 2002 00:16:58: %DOT1X_SHIM-3-PLUMB_KEY_ERR: Unable to plumb keys - Eap key struct is NULL

    Thanks
    Charmaine
     
    Certifications: CCNA
  2. sirkozz

    sirkozz Bit Poster

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    You need to ensure that the root brdige is configured within the radius server as an authenticator via an 802.11 connection for client STA, in this case a slave bridge.
     
    Certifications: do expired ones count???
    WIP: CWNE/CCNA

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