DHCP Option 43 erhalt prüfen – highlights and lowlights of the daily business of network engineers

Den erhalt der DHCP Option 43 auf der Console eines LAP prüfen:

LAP1#debug dhcp detail
DHCP client activity debugging is on (detailed)

LAP1#release dhcp gigabitEthernet 0

*Apr 10 15:14:30.221: DHCP: Release IPL called for interface GigabitEthernet0 in state 3
*Apr 10 15:14:30.221: DHCP: SRelease attempt # 1 for entry:
*Apr 10 15:14:30.221: Temp IP addr: 10.10.113.223 for peer on Interface: GigabitEthernet0
*Apr 10 15:14:30.221: Temp sub net mask: 255.255.255.0
*Apr 10 15:14:30.221: DHCP Lease server: 10.10.210.6, state: 8 Releasing
*Apr 10 15:14:30.221: DHCP transaction id: 1DD
*Apr 10 15:14:30.221: Lease: 691200 secs, Renewal: 345600 secs, Rebind: 604800 secs
*Apr 10 15:14:30.221: Temp default-gateway addr: 10.10.113.1
*Apr 10 15:14:30.221: Next timer fires after: 00:00:02
*Apr 10 15:14:30.224: Retry count: 1 Client-ID: fc99.47f3.8c7d
*Apr 10 15:14:30.224: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:14:30.224: Hostname: LAP1
*Apr 10 15:14:30.224: DHCP: SRelease placed Server ID option: 10.10.210.6
*Apr 10 15:14:30.224: DHCP: SRelease: 259 bytes
*Apr 10 15:14:31.800: DHCP: SRelease attempt # 2 for entry:
*Apr 10 15:14:31.800: Temp IP addr: 10.10.113.223 for peer on Interface: GigabitEthernet0
*Apr 10 15:14:31.800: Temp sub net mask: 255.255.255.0
*Apr 10 15:14:31.800: DHCP Lease server: 10.10.210.6, state: 8 Releasing
*Apr 10 15:14:31.800: DHCP transaction id: 1DD
*Apr 10 15:14:31.800: Lease: 691200 secs, Renewal: 345600 secs, Rebind: 604800 secs
*Apr 10 15:14:31.800: Temp default-gateway addr: 10.10.113.1
*Apr 10 15:14:31.800: Next timer fires after: 00:00:02
*Apr 10 15:14:31.800: Retry count: 2 Client-ID: fc99.47f3.8c7d
*Apr 10 15:14:31.800: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:14:31.800: Hostname: LAP1
*Apr 10 15:14:31.800: DHCP: SRelease placed Server ID option: 10.10.210.6
*Apr 10 15:14:31.800: DHCP: SRelease: 259 bytes
*Apr 10 15:14:33.528: DHCP: SRelease attempt # 3 for entry:
*Apr 10 15:14:33.528: Temp IP addr: 10.10.113.223 for peer on Interface: GigabitEthernet0
*Apr 10 15:14:33.528: Temp sub net mask: 255.255.255.0
*Apr 10 15:14:33.528: DHCP Lease server: 10.10.210.6, state: 8 Releasing
*Apr 10 15:14:33.528: DHCP transaction id: 1DD
*Apr 10 15:14:33.528: Lease: 691200 secs, Renewal: 345600 secs, Rebind: 604800 secs
*Apr 10 15:14:33.528: Temp default-gateway addr: 10.10.113.1
*Apr 10 15:14:33.52
LAP1#8: Next timer fires after: 00:00:02
*Apr 10 15:14:33.528: Retry count: 3 Client-ID: fc99.47f3.8c7d
*Apr 10 15:14:33.528: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:14:33.528: Hostname: LAP1
*Apr 10 15:14:33.528: DHCP: SRelease placed Server ID option: 10.10.210.6
*Apr 10 15:14:33.528: DHCP: SRelease: 259 bytes
*Apr 10 15:14:35.454: RAC: DHCP stopped on interface GigabitEthernet0
*Apr 10 15:14:35.529: DHCP: Releasing ipl options:
*Apr 10 15:14:35.529: Clearing default gateway and route to 10.10.113.1
*Apr 10 15:14:35.529: Removing old default route 10.10.113.1
*Apr 10 15:14:35.529: Clearing route to DHCP server 10.10.210.6
*Apr 10 15:14:35.529: Clearing DNS address 10.10.210.6
*Apr 10 15:14:35.529: Clearing default domain of proctorlabs.com
*Apr 10 15:15:06.540: DHCP: QScan: Purging entry
*Apr 10 15:15:06.540: DHCP: deleting entry 2D6CE5C 10.10.113.223 from list
*Apr 10 15:15:06.540: Temp IP addr: 10.10.113.223 for peer on Interface: GigabitEthernet0
*Apr 10 15:15:06.540: Temp sub net mask: 255.255.255.0
*Apr 10 15:15:06.540: DHCP Lease server: 10.10.210.6, state: 9 Purging
*Apr 10 15:15:06.540: DHCP transaction id: 1DD
*Apr 10 15:15:06.540: Lease: 691200 secs, Renewal: 345600 secs, Rebind: 604800 secs
*Apr 10 15:15:06.540: No timer running
*Apr 10 15:15:06.540: Retry count: 0 Client-ID: fc99.47f3.8c7d
*Apr 10 15:15:06.540: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:15:06.540: Hostname: LAP1
*Apr 10 15:15:21.007: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 10.10.111.10:5246
*Apr 10 15:15:21.073: %WIDS-5-DISABLED: IDS Signature is removed and disabled.
*Apr 10 15:15:21.073: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY
*Apr 10 15:15:21.073: %CAPWAP-5-CHANGED: CAPWAP changed state to DISCOVERY
*Apr 10 15:15:21.107: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to administratively down
*Apr 10 15:15:21.107: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to administratively down
*Apr 10 15:15:21.161: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Apr 10 15:15:21.170: status of voice_diag_test from WLC is false
*Apr 10 15:15:21.170: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Apr 10 15:15:21.180: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Apr 10 15:15:21.189: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to reset
*Apr 10 15:15:21.205: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Apr 10 15:16:11.172: %CAPWAP-3-DHCP_RENEW: Could not discover WLC using DHCP IP. Renewing DHCP IP.
*Apr 10 15:16:11.172: RAC: DHCP stopped on interface GigabitEthernet0
*Apr 10 15:16:11.172: DHCP: DHCP client process started: 10
*Apr 10 15:16:11.172: RAC: Starting DHCP discover on GigabitEthernet0
*Apr 10 15:16:11.172: DHCP: Try 1 to acquire address for GigabitEthernet0
*Apr 10 15:16:11.172: DHCP: allocate request
*Apr 10 15:16:11.172: DHCP: new entry. add to queue, interface GigabitEthernet0
*Apr 10 15:16:11.172: DHCP: SDiscover attempt # 1 for entry:
*Apr 10 15:16:11.172: Temp IP addr: 0.0.0.0 for peer on Interface: GigabitEthernet0
*Apr 10 15:16:11.172: Temp sub net mask: 0.0.0.0
*Apr 10 15:16:11.172: DHCP Lease server: 0.0.0.0, state: 1 Selecting
*Apr 10 15:16:11.172: DHCP transaction id: AF7
*Apr 10 15:16:11.172: Lease: 0 secs, Renewal: 0 secs, Rebind: 0 secs
*Apr 10 15:16:11.172: Next timer fires after: 00:00:04
*Apr 10 15:16:11.172: Retry count: 1 Client-ID: fc99.47f3.8c7d
*Apr 10 15:16:11.172: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:16:11.172: Hostname: LAP1
*Apr 10 15:16:11.175: DHCP: SDiscover placed class-id option: 436973636F204150206333353030
*Apr 10 15:16:11.175: DHCP: SDiscover: sending 290 byte length DHCP packet
*Apr 10 15:16:11.175: DHCP: SDiscover 290 bytes
*Apr 10 15:16:11.175: B’cast on GigabitEthernet0 interface from 0.0.0.0
*Apr 10 15:16:11.562: DHCP: Received a BOOTREP pkt
*Apr 10 15:16:11.562: DHCP: Scan: Message type: DHCP Offer
*Apr 10 15:16:11.562: DHCP: Scan: Subnet Address Option: 255.255.255.0
*Apr 10 15:16:11.562: DHCP: Scan: Renewal time: 345600
*Apr 10 15:16:11.562: DHCP: Scan: Rebind time: 604800
*Apr 10 15:16:11.562: DHCP: Scan: Lease Time: 691200
*Apr 10 15:16:11.562: DHCP: Scan: Server ID Option: 10.10.210.6 = A0AD206
*Apr 10 15:16:11.562: DHCP: Scan: DNS Name Server Option: 10.10.210.6
*Apr 10 15:16:11.562: DHCP: Scan: Domain Name: proctorlabs.com
*Apr 10 15:16:11.562: DHCP: Scan: Router Option: 10.10.113.1
*Apr 10 15:16:11.562: DHCP: Scan: Vendor specific option 43: F1080A646F0A0A64700A
*Apr 10 15:16:11.562: DHCP: rcvd pkt source: 10.10.113.1, destination: 255.255.255.255
*Apr 10 15:16:11.562: UDP sport: 43, dport: 44, length: 324
*Apr 10 15:16:11.562: DHCP op: 2, htype: 1, hlen: 6, hops: 0
*Apr 10 15:16:11.562: DHCP server identifier: 10.10.210.6
*Apr 10 15:16:11.562: xid: AF7, secs: 0, flags: 8000
*Apr 10 15:16:11.562: client: 0.0.0.0, your: 10.10.113.223
*Apr 10 15:16:11.562: srvr: 10.10.210.6, gw: 10.10.113.1
*Apr 10 15:16:11.562: options block length: 76

*Apr 10 15:16:11.562: DHCP Offer Message Offered Address: 10.10.113.223
*Apr 10 15:16:11.562: DHCP: Lease Seconds: 691200 Renewal secs: 345600 Rebind secs: 604800
*Apr 10 15:16:11.562: DHCP: Server ID Option: 10.10.210.6
*Apr 10 15:16:11.562: DHCP: offer received from 10.10.210.6
*Apr 10 15:16:11.562: DHCP: SRequest attempt # 1 for entry:
*Apr 10 15:16:11.562: Temp IP addr: 10.10.113.223 for peer on Interface: GigabitEthernet0
*Apr 10 15:16:11.562: Temp sub net mask: 255.255.255.0
*Apr 10 15:16:11.562: DHCP Lease server: 10.10.210.6, state: 2 Requesting
*Apr 10 15:16:11.562: DHCP transaction id: AF7
*Apr 10 15:16:11.562: Lease: 691200 secs, Renewal: 0 secs, Rebind: 0 secs
*Apr 10 15:16:11.562: Next timer fires after: 00:00:03
*Apr 10 15:16:11.562: Retry count: 1 Client-ID: fc99.47f3.8c7d
*Apr 10 15:16:11.562: Client-ID hex dump: FC9947F38C7D
*Apr 10 15:16:11.562: Hostname: LAP1
*Apr 10 15:16:11.562: DHCP: SRequest- Server ID option: 10.10.210.6
*Apr 10 15:16:11.562: DHCP: SRequest- Requested IP addr option: 10.10.113.223
*Apr 10 15:16:11.562: DHCP: SRequest placed lease len option: 691200
*Apr 10 15:16:11.562: DHCP: SRequest placed class-id option: 436973636F204150206333353030
*Apr 10 15:16:11.562: DHCP: SRequest: 308 bytes
*Apr 10 15:16:11.562: DHCP: SRequest: 308 bytes
*Apr 10 15:16:11.562: B’cast on GigabitEthernet0 interface from 0.0.0.0
*Apr 10 15:16:11.562: DHCP: Received a BOOTREP pkt
*Apr 10 15:16:11.562: DHCP: Scan: Message type: DHCP Offer
*Apr 10 15:16:11.562: DHCP: Scan: Subnet Address Option: 255.255.255.0
*Apr 10 15:16:11.562: DHCP: Scan: Renewal time: 345600
*Apr 10 15:16:11.562: DHCP: Scan: Rebind time: 604800
*Apr 10 15:16:11.562: DHCP: Scan: Lease Time: 691200
*Apr 10 15:16:11.562: DHCP: Scan: Server ID Option: 10.10.210.6 = A0AD206
*Apr 10 15:16:11.562: DHCP: Scan: DNS Name Server Option: 10.10.210.6
*Apr 10 15:16:11.562: DHCP: Scan: Domain Name: proctorlabs.com
*Apr 10 15:16:11.562: DHCP: Scan: Router Option: 10.10.113.1
*Apr 10 15:16:11.562: DHCP: Scan: Vendor specific option 43: F1080A646F0A0A64700A
*Apr 10 15:16:11.562: DHCP: rcvd pkt source: 10.10.113.2, destination: 255.255.255.255
*Apr 10 15:16:11.562: UDP sport: 43, dport: 44, length: 324
*Apr 10 15:16:11.562: DHCP op: 2, htype: 1, hlen: 6, hops: 0
*Apr 10 15:16:11.562: DHCP server identifier: 10.10.210.6
*Apr 10 15:16:11.562: xid: AF7, secs: 0, flags: 8000
*Apr 10 15:16:11.562: client: 0.0.0.0, your: 10.10.113.223
*Apr 10 15:16:11.562: srvr: 10.10.210.6, gw: 10.10.113.2
*Apr 10 15:16:11.562: options block length: 76

*Apr 10 15:16:11.565: DHCP Ack Message
*Apr 10 15:16:11.565: DHCP: Lease Seconds: 691200 Renewal secs: 345600 Rebind secs: 604800
*Apr 10 15:16:11.565: DHCP: Server ID Option: 10.10.210.6
*Apr 10 15:16:14.566: DHCP: Releasing ipl options:
*Apr 10 15:16:14.566: DHCP: Applying DHCP options:
*Apr 10 15:16:14.566: Setting default_gateway to 10.10.113.1
*Apr 10 15:16:14.566: Adding default route 10.10.113.1
*Apr 10 15:16:14.566: %CAPWAP-3-ERRORLOG: Invalid event 38 & state 2 combination.
*Apr 10 15:16:14.572: DHCPC: Notifying other components about option 43
*Apr 10 15:16:14.572: Allocated IP address = 10.10.113.223 255.255.255.0

*Apr 10 15:16:14.572: %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0 assigned DHCP address 10.10.113.223, mask 255.255.255.0, hostname LAP1

*Apr 10 15:16:15.566: Adding route to DHCP server 10.10.210.6 via GigabitEthernet0 10.10.113.1
*Apr 10 15:16:15.566: Adding DNS server address 10.10.210.6
*Apr 10 15:16:15.566: Setting default domain to proctorlabs.com
*Apr 10 15:16:15.566: DHCP Client Pooling: ***Allocated IP address: 10.10.113.223
*Apr 10 15:16:15.566: DHCP: Received a BOOTREP pkt
*Apr 10 15:16:15.566: DHCP: Scan: Message type: DHCP Ack
*Apr 10 15:16:15.566: DHCP: Scan: Renewal time: 345600
*Apr 10 15:16:15.566: DHCP: Scan: Rebind time: 604800
*Apr 10 15:16:15.566: DHCP: Scan: Lease Time: 691200
*Apr 10 15:16:15.566: DHCP: Scan: Server ID Option: 10.10.210.6 = A0AD206
*Apr 10 15:16:15.566: DHCP: Scan: Subnet Address Option: 255.255.255.0
*Apr 10 15:16:15.566: DHCP: Scan: DNS Name Server Option: 10.10.210.6
*Apr 10 15:16:15.566: DHCP: Scan: Domain Name: proctorlabs.com
*Apr 10 15:16:15.566: DHCP: Scan: Router Option: 10.10.113.1
*Apr 10 15:16:15.566: DHCP: Scan: Vendor specific option 43: F1080A646F0A0A64700A
*Apr 10 15:16:15.566: DHCP: rcvd pkt source: 10.10.113.2, destination: 255.255.255.255
*Apr 10 15:16:15.566: UDP sport: 43, dport: 44, length: 324
*Apr 10 15:16:15.566: DHCP op: 2, htype: 1, hlen: 6, hops: 0
*Apr 10 15:16:15.566: DHCP server identifier: 10.10.210.6
*Apr 10 15:16:15.566: xid: AF7, secs: 0, flags: 8000
*Apr 10 15:16:15.566: client: 0.0.0.0, your: 10.10.113.223
*Apr 10 15:16:15.566: srvr: 0.0.0.0, gw: 10.10.113.2
*Apr 10 15:16:15.566: options block length: 76

*Apr 10 15:16:15.566: DHCP Ack Message
*Apr 10 15:16:15.566: DHCP: Lease Seconds: 691200 Renewal secs: 345600 Rebind secs: 604800
*Apr 10 15:16:15.566: DHCP: Server ID Option: 10.10.210.6
*Apr 10 15:16:15.566: DHCP: rcv ack in Bound state: punt
*Apr 10 15:16:22.172: DHCP: look up vendor specific information for Gi0 got vendor specific ret: succeed
*Apr 10 15:16:22.172: %CAPWAP-5-DHCP_OPTION_43: Controller address 10.100.111.10 obtained through DHCP
*Apr 10 15:16:22.172: %CAPWAP-5-DHCP_OPTION_43: Controller address 10.100.112.10 obtained through DHCP
*Apr 10 15:16:22.172: DHCP: look up prim Log Server for Gi0 from lease any ret: fail
*Apr 10 15:16:22.172: DHCP: look up prim DNS for Gi0 from lease good ret: 10.10.210.6
*Apr 10 15:16:22.172: DHCP: look up domain name for Gi0 from lease any got domain name ret: succeed
wmmAC status is FALSE
*Apr 10 15:16:22.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 10.10.111.10 peer_port: 5246
*Apr 10 15:16:22.000: %CAPWAP-5-CHANGED: CAPWAP changed state to
*Apr 10 15:16:22.575: %CAPWAP-5-DTLSREQSUCC: DTLS connection created sucessfully peer_ip: 10.10.111.10 peer_port: 5246
*Apr 10 15:16:22.575: %CAPWAP-5-SENDJOIN: sending Join Request to 10.10.111.10
*Apr 10 15:16:22.575: %CAPWAP-5-CHANGED: CAPWAP changed state to JOIN
*Apr 10 15:16:22.758: %CAPWAP-5-CHANGED: CAPWAP changed state to CFG
*Apr 10 15:16:22.893: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to down
*Apr 10 15:16:22.902: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
*Apr 10 15:16:22.902: %CAPWAP-5-CHANGED: CAPWAP changed state to UP
*Apr 10 15:16:22.972: %CAPWAP-5-JOINEDCONTROLLER: AP has joined controller WLC1
*Apr 10 15:16:23.034: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Apr 10 15:16:23.047: %WIDS-5-ENABLED: IDS Signature is loaded and enabled
*Apr 10 15:16:23.050: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to down
*Apr 10 15:16:23.123: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to reset
*Apr 10 15:16:23.138: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Apr 10 15:16:37.127: %CLEANAIR-5-STATE: Slot 0 disabled
*Apr 10 15:16:37.127: %CLEANAIR-5-STATE: Slot 1 disabled

Samuel Heinrich

Senior Network Engineer at Selution AG (Switzerland)

Arbeitet in Raum Basel (Switzerland) als Senior Network Engineer mit über 15 Jahren Erfahrung im Bereich Netzwerk

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