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05-27-2022 04:55 PM
Hi,
I have the following problem, I have a 9800L-F WLC, and I want to make a portchannel (LAG) with the fiber interfaces, it configures successfully, but I have no traffic through it. I don't see MAC either through this portchannel.
The WLC is using SFP-SX-MMD interfaces. Does anyone know why it doesn't work???
IOS-XE Version 17.3.5
Solved! Go to Solution.
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05-27-2022 06:29 PM
Done, and nothing change.
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05-27-2022 06:56 PM - edited 05-27-2022 06:57 PM
I see some case in nexus with SFP and the issue was the auto negotiation, can you manually set the duplex and speed.
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06-06-2022 11:04 AM
Thanks, This is the solution.
Regards.
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06-06-2022 01:36 PM
For anybody else reading this thread - just to clarify what I believe the actual solution was:- on the TenGig port you must configure
"no negotiation auto".
My colleague was caught by this on 9800-80 last week when configuring the WLC manually from new without using a tested/working template. It does actually tell you in the logs if you bother to look ...
*May 30 12:51:39.641: %IOSXE_EPA-3-AUTONEG_CFG_ERR: interface TenGigabitEthernet0/0/0 autoneg state 'negotiation auto' is incompatible with transciever. Remove 'negotiation auto' to allow the transceiver.
*May 30 12:51:39.642: %IOSXE_EPA-3-XCVR_PROHIBIT: Transceiver is prohibited to come online for interface TenGigabitEthernet0/0/0
*May 30 12:51:39.642: BUILT-IN-6X10G/2X1G[0/0] : XCVR prohibited on port TenGigabitEthernet0/0/0, epa_name=BUILT-IN-6X10G/2X1G, if_id=0/0/0, xcvr_speed=10000000, admin_state=UNSHUT
But the output on the interface is very misleading:
9800#sh int Te0/0/0 transceiver
The transceiver in slot 0 subslot 0 port 0 has been disabled because it is not supported by this card.
Please click Helpful if this post helped you and Select as Solution (drop down menu at top right of this reply) if this answered your query.
------------------------------
TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
Field Notice: FN63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration
Field Notice: FN72424 Later Versions of WiFi 6 APs Fail to Join WLC - Software Upgrade Required
Field Notice: FN72524 IOS APs stuck in downloading state after 4 Dec 2022 due to Certificate Expired
- Fixed in 8.10.196.0, latest 9800 releases, 8.5.182.12 (8.5.182.13 for 3504) and 8.5.182.109 (IRCM, 8.5.182.111 for 3504)
Field Notice: FN70479 AP Fails to Join or Joins with 1 Radio due to Country Mismatch, RMA needed
How to avoid boot loop due to corrupted image on Wave 2 and Catalyst 11ax Access Points (CSCvx32806)
Field Notice: FN74035 - Wave2 APs DFS May Not Detect Radar After Channel Availability Check Time
Leo's list of bugs affecting 2800/3800/4800/1560 APs
Default AP console baud rate from 17.12.x is 115200 - introduced by CSCwe88390
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05-27-2022 06:25 PM
Please post the complete output to the command "sh platform".
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05-27-2022 06:31 PM
Hi Leo,
ILC-WLC-01#sh platform
Chassis type: C9800-L-F-K9
Slot Type State Insert time (ago)
--------- ------------------- --------------------- -----------------
0 C9800-L-F-K9 ok 01:53:48
0/0 BUILT-IN-4x2_5GE ok 01:52:00
0/1 BUILT-IN-2x10GE-F ok 01:52:00
R0 C9800-L-F-K9 ok, active 01:53:48
F0 C9800-L-F-K9 ok, active 01:53:48
P0 PWR-12V ok 01:53:27
P1 C9800-L-F-K9-FAN ok 01:53:27
Slot CPLD Version Firmware Version
--------- ------------------- ---------------------------------------
0 19050918 16.12(3r)
R0 19050918 16.12(3r)
F0 19050918 16.12(3r)
ILC-WLC-01#
Regards.
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05-29-2022 06:05 AM
Have you upgraded the ethernet PHY as per https://www.cisco.com/c/en/us/td/docs/wireless/controller/9800/config-guide/b_upgrade_fpga_c9800.html#id_132215 ? (3 bug fixes)
https://software.cisco.com/download/home/286321399/type/283425232/release/17.3.2
Please click Helpful if this post helped you and Select as Solution (drop down menu at top right of this reply) if this answered your query.
------------------------------
TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
Field Notice: FN63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration
Field Notice: FN72424 Later Versions of WiFi 6 APs Fail to Join WLC - Software Upgrade Required
Field Notice: FN72524 IOS APs stuck in downloading state after 4 Dec 2022 due to Certificate Expired
- Fixed in 8.10.196.0, latest 9800 releases, 8.5.182.12 (8.5.182.13 for 3504) and 8.5.182.109 (IRCM, 8.5.182.111 for 3504)
Field Notice: FN70479 AP Fails to Join or Joins with 1 Radio due to Country Mismatch, RMA needed
How to avoid boot loop due to corrupted image on Wave 2 and Catalyst 11ax Access Points (CSCvx32806)
Field Notice: FN74035 - Wave2 APs DFS May Not Detect Radar After Channel Availability Check Time
Leo's list of bugs affecting 2800/3800/4800/1560 APs
Default AP console baud rate from 17.12.x is 115200 - introduced by CSCwe88390

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