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Cisco Bug: CSCvi77598 - 8.8:NBN "show mesh dhcp status" could miss entries for RAPs somehow in a few different cases

Last Modified

Apr 26, 2018

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.8(1.95) 8.8(1.96)

Description (partial)

Symptom:
[*04/02/2018 20:24:44.9099] ========== enable_skb_stats_wireless_counters = 1 ==============
[*04/02/2018 20:24:44.9999] wcp/rrm_userspace_1/rrm_schedule :: RRMSchedule Scan list is empty INT_CONTROL: chanCnt 2 band 2 mesurementIntervalSec 0 measurementDurationmSec 0 reportIntervalSec 180 channels  "\xa9\xad"
[*04/02/2018 20:24:45.0699] wcp/rrm_userspace_1/rrm_schedule :: RRMSchedule Scan list is empty INT_CONTROL: chanCnt 2 band 2 mesurementIntervalSec 180 measurementDurationmSec 50 reportIntervalSec 180 channels  "\xa9\xad"
[*04/02/2018 20:25:12.1099] set cleanair [slot0][band0] disable
[*04/02/2018 20:25:12.1199] set cleanair [slot1][band1] enabled
[*04/02/2018 20:25:12.1299] CLEANAIR: Slot 0 admin disabled
[*04/02/2018 20:25:12.1499] DOT11_DRV[1]: Spectrum Scan state changing from 0 to 1
[*04/02/2018 20:25:12.1499] CLEANAIR: Slot 1 enabled
[*04/02/2018 20:28:09.6399] Mgmt encap Failed 
[*04/02/2018 20:28:09.6399] wcp/rrm_userspace_1/rrm_schedule :: RRMSchedule Scan list is empty INT_CONTROL: chanCnt 2 band 2 mesurementIntervalSec 180 measurementDurationmSec 50 reportIntervalSec 180 channels  "\xa9\xad"

Username: 
Username: admin
Password: 
Password: 
AUTO-1542E4-RAP2.7508>
AUTO-1542E4-RAP2.7508>en
Password: 
AUTO-1542E4-RAP2.7508#show mesh  dhcp status
                                       ^
% Invalid input detected at '^' marker.
AUTO-1542E4-RAP2.7508#show mesh  dhcp config 
Internal DHCP Server configuration:
-----------------------------------

Status: Enabled
Mgmt vlan ID: 0
Start Address: 10.1.1.2
End Address: 10.1.200.200
Netmask: 255.255.0.0
Gateway: 10.1.1.1
DNS Server: 0.0.0.0
WLC IP: 0.0.0.0
Domain Name: 
Lease: Infinite

AUTO-1542E4-RAP2.7508#
3:36 PM 
Can you plz send output of following :
sh config
Sh mesh config
3:37 PM 
AUTO-1542E4-RAP2.7508#sh config
AP Name                    : AUTO-1542E4-RAP2.7508
Admin State                : Enabled
AP Mode                    : Flex + Bridge
AP Submode                 : None
Location                   : default location
Reboot Reason              : Controller Reload command
Primary controller name    : tb30-kukri-58
Primary controller IP      : 30.5.0.58
Secondary controller name  : 
Secondary controller IP    : 
Tertiary controller name   : 
Tertiary controller IP     : 
AP join priority           : 1
IP Prefer-mode             : IPv4
CAPWAP UDP-Lite            : Unconfigured
Last Joined Controller name: tb30-kukri-58
DTLS Encryption State      : Disabled
Discovery Timer            : 10
Heartbeat Timer            : 30
CDP State                  : Enabled
Watchdog monitoring        : Enabled
IOX                        : Disabled
RRM State                  : Enabled
LSC State                  : Disabled
SSH State                  : Disabled
AP Username                : admin
Session Timeout            : 300
Extlog Host                : 0.0.0.0
Extlog Flags               : 0
Extlog Status Interval     : 0
Syslog Host                : 192.168.100.180
Syslog Facility            : 0
Syslog Level               : errors
Core Dump TFTP IP Addr     : 
Core Dump File Compression : Disabled
Core Dump Filename         : 
Client Trace Status        : Disabled(All)
Client Trace All Clients   : Disabled
Client Trace Filter        : 0x00000000
Client Trace Out ConsoleLog: Disabled
WLC Link LAG status        : Disabled
AP Link LAG status         : Disabled
AP WSA Mode                : Disabled
Vlan Interface             : Disabled
AUTO-1542E4-RAP2.7508# 
AUTO-1542E4-RAP2.7508# show mesh  config
AP Specific Configuration:
AP Role: Flex Root AP
Backhaul Mode: 802.11a
Internal DHCP Running Status: Enabled
Strict Wired Uplink: Disabled
Ethernet Bridging: Disabled
Public Safety: Disabled
Slot Bias: Disabled
LSC Authentication: Disabled
Background Scanning: Enabled
Strict Matching BGN: Disabled
Convergence Method: Standard Convergence, CCN mode: Disabled
Ethernet Bridging BPDU Allow: Disabled
Daisy Chain Mode: Disabled
VLAN Transparent Bridging: Enabled
Trunk VLAN Id: 0
Backhaul Rate: Auto
Preferred Parent: 70:69:5A:90:15:A0
CAPWAP Join Mode: IPv4
Bridge Group Name: NBN-AUTO
Mesh Statistics Push Interval(min): 3
Range(feet): 132000
Mesh Security Mode: EAP (PSK not provisioned)
Background Scanning: Enabled
Universal Client Access: Enabled
Universal Client Access Ext: Enabled
Global Public Safety: Disabled
Battery Backup: Enabled
Full Sector DFS: Enabled
IDS(Rogue/Signature Reporting): Enabled
Backhaul A-MSDU: Enabled
Backhaul DCA Status: Disabled
Configured Parent: 70:69:5A:90:15:A0
Multicast Mode:In-Out

AUTO-1542E4-RAP2.7508#
3:38 PM
I did the similar issue on 8.8.1.91 here or there on other RAPs as well. Since .91 is not load and without your DHCP fix, I didn't track it closely.
I'm going to raise CDETS because on the latest load, the issue could happen somehow.
3:40 PM 
Sure.. also plz mention the steps to reproduce in the CDETs
3:41 PM 
For .96, only after upgrade from .91 to .96 and enable DHCP for both RAP2 and RAP1 while the mesh tree already formed.

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