AC升级到
Failed to retransmit image data request and tore down the tunnel: Number of retransmissions exceeded the limit 3.
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最佳答案
AP状态是I,并不是IL状态
The current terminal is enabled to display logs. <H3C>*Aug 23 16:49:18:899 2021 H3C CWC/7/TMR: Retransmission Timer of TunnelId:1 expired. uiSeqNum = 0, uiIPCMsgType = 0x0, enPattern = 0. *Aug 23 16:49:18:900 2021 H3C CWC/7/SND_PKT: Sent image data request with SeqNum 2 to AC 172.16.1.253:5246. *Aug 23 16:49:18:900 2021 H3C CWC/7/SND_PKT: Verbose info for image data request sent to AC 172.16.1.253:5246, length=42. 00 10 02 00 00 00 00 00 00 00 00 0F 02 00 1D 00 00 19 00 12 00 00 63 A2 00 02 00 0A 77 61 34 33 30 30 2E 69 70 65 00 1B 00 00 . *Aug 23 16:49:21:899 2021 H3C CWC/7/TMR: Retransmission Timer of TunnelId:1 expired. uiSeqNum = 0, uiIPCMsgType = 0x0, enPattern = 0. *Aug 23 16:49:21:900 2021 H3C CWC/7/ERROR: Failed to retransmit image data request and tore down the tunnel: Number of retransmissions exceeded the limit 3. *Aug 23 16:49:21:900 2021 H3C CWC/7/EVENT: [AP 1] Proc master down evt.device type is 0. *Aug 23 16:49:21:901 2021 H3C CWC/7/EVENT: [AP 1] Send master down message to back-up ac. *Aug 23 16:49:21:902 2021 H3C CWC/7/EVENT: Close capwap client udp port:14286 *Aug 23 16:49:21:902 2021 H3C CWC/7/FSM: [Tunnel ID: 1] Image Data -> Idle. *Aug 23 16:49:21:902 2021 H3C CWC/7/EVENT: CAPWAP tunnel to AC 172.16.1.253 went down. Reason: Retransmission failed. *Aug 23 16:49:21:903 2021 H3C CWC/7/FSM: Enter Idle state. *Aug 23 16:49:21:904 2021 H3C CWC/7/EVENT: Start ipv4 dhcp opt43 discover. *Aug 23 16:49:21:905 2021 H3C CWC/7/EVENT: Open capwap client udp port:14287 *Aug 23 16:49:21:905 2021 H3C CWC/7/FSM: Enter Discovery state. *Aug 23 16:49:22:407 2021 H3C CWC/7/EVENT: Fill discover req.wtu=1.model=WA4320X.wt drv info:[].subslot=0.licensetype=1.ret=0x40010001. *Aug 23 16:49:22:407 2021 H3C CWC/7/EVENT: Fill discover req.ap=1.model=WA4320X.licensetype=1.carry wt info is unnecessary. *Aug 23 16:49:22:408 2021 H3C CWC/7/SND_PKT: Sent discovery request with SeqNum 0 to AC 172.16.1.253:5246. *Aug 23 16:49:22:409 2021 H3C CWC/7/SND_PKT: Verbose info for discovery request sent to AC 172.16.1.253:5246, length=155.
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AP无法上线,以下是排查要点,请参考:
1、检查AP出来的网线、水晶头是否有问题。
2、检查基础网络是否可达,比如VLAN透传。
3、检查AC内的授权是否足够使用。
4、检查AC的软件版本是否适配AP。
5、检查AC内是否注册了AP的型号和序列号。
6、检查DHCP内的IP地址是否足够使用。
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