01-09-2020 06:51 AM - edited 07-05-2021 11:31 AM
Hi Folks,
I have 2 x Cisco 3504 Wireless controllers connected to switches. There are currently two ports active on the WLCs towards the switches (both on Active and Standby WLC). These ports are part of a LAG, and there is port channel configured on the switch end as well. These two ports seem to be functioning well.
But, when I try and enable the remaining two ports on the WLCs (Active & standby) towards the switch, and bring them into the port channel, I see the standby WLC loses peer connectivity, and goes into maintenance mode.
(XXXX) >show redundancy summary
Redundancy Mode = SSO ENABLED
Local State = MAINTENANCE
Peer State = UNKNOWN - Communication Down
Unit = Primary
Unit ID = 70:18:A7:C9:3F:10
Redundancy State = Non Redundant
Mobility MAC = 70:18:A7:C9:3F:10
Redundancy Port = UP
Link Encryption = ENABLED
Maintenance Mode = Enabled
Maintenance cause= Default Gateway not reachable
Appreciate your input on this issue.
Cheers
Mikey
01-09-2020 07:48 AM
01-15-2020 08:45 AM
Hi Scott,
The port channel looks ok. I can see those two ports being added to port channel, and it looks all fine to me. Still the same issue.
Sw1:
Members in this channel: Gi 0/27(U) Gi 0/28(U) Gi 0/29(U) Gi 0/30(U)
Sw2:
Members in this channel: Gi 0/27(U) Gi 0/28(U) Gi 0/29(U) Gi 0/30(U)
Cheers
Mikey
01-15-2020 09:46 AM
01-15-2020 09:56 AM
Yep, I have used only the first 4 ports on both the WLCs.
(XXXX) >show port summary
STP Admin Physical Physical Link Link
Pr Type Stat Mode Mode Status Status Trap POE
-- ------- ---- ------- ---------- ---------- ------ ------- ---------
1 Normal Forw Enable Auto 1000 Full Up Enable N/A
2 Normal Forw Enable Auto 1000 Full Up Enable N/A
3 Normal Forw Enable Auto 1000 Full Up Enable N/A
4 Normal Forw Enable Auto 1000 Full Up Enable N/A
5 Normal Disa Enable Auto Auto Down Enable N/A
RP Normal Forw Enable Auto Auto Up Enable N/A
SP Normal Disa Enable Auto Auto Down Enable N/A
(XXXX-Standby) >show port summary
STP Admin Physical Physical Link Link
Pr Type Stat Mode Mode Status Status Trap POE
-- ------- ---- ------- ---------- ---------- ------ ------- ---------
1 Normal Forw Enable Auto 1000 Full Up Enable N/A
2 Normal Forw Enable Auto 1000 Full Up Enable N/A
3 Normal Forw Enable Auto 1000 Full Up Enable N/A
4 Normal Forw Enable Auto 1000 Full Up Enable N/A
5 Normal Disa Enable Auto Auto Down Enable N/A
RP Normal Forw Enable Auto Auto Up Enable N/A
SP Normal Disa Enable Auto Auto Down Enable N/A
Thanks
Mikey
01-15-2020 10:05 AM
01-15-2020 10:13 AM
Nope, these WLCs are connected to Dell C150 series switches.
Cheers
Mikey
01-15-2020 12:54 PM
01-16-2020 02:21 AM
01-09-2020 01:22 PM
01-09-2020 11:09 PM
Hi Leo,
If they were on different firmware versions, they wouldn't have been on active/standby role with the first two LAN ports active. right?
The WLC goes into maintenance mode only when I enable the remaining two LAN ports towards the switches.
Both the WLCs are running the same firmware version. See output below.
Active WLC
===========
(XXXX) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.8.120.0
RTOS Version..................................... 8.8.120.0
Bootloader Version............................... 8.5.103.0
Emergency Image Version.......................... 8.5.103.0
OUI File Last Update Time........................ N/A
Build Type....................................... DATA + WPS
Standby WLC
===========
(XXXX) >show sysinfo
Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.8.120.0
RTOS Version..................................... 8.8.120.0
Bootloader Version............................... 8.5.103.0
Emergency Image Version.......................... 8.5.103.0
OUI File Last Update Time........................ N/A
Build Type....................................... DATA + WPS
Cheers
Mikey
01-10-2020 07:06 AM
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