Cisco 5520 User manual

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Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Cisco 5520 and 8540 Wireless Controller

Troubleshooting Guide

Overview of Cisco 5520 Wireless Controller

The Cisco 5520 Wireless Controller provides centralized control, management, and troubleshooting for

high-scale deployments in service provider and large campus deployments. It offers flexibility to support

multiple deployment modes in the same controller: for example, centralized mode for campus, Cisco

FlexConnect mode for lean branches managed over the WAN, and mesh (bridge) mode for deployments

where full Ethernet cabling is unavailable. As a component of the Cisco Unified Wireless Network, this

controller provides real-time communications between Cisco Aironet access points, the Cisco Prime

Infrastructure, and the Cisco Mobility Services Engine, and is interoperable with other Cisco controllers.

Cisco 5520 Wireless Controller Rear Panel View

1 Two Type A 3.0 USB ports

2 CIMC port 10/100/1000 Base-T

3 Serial COM Connector—Standard RS-232 Serial COM port using RJ-45 connector

4 Ethernet Service Port (SP)—Management 10/100/1000 Base-T

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Overview of Cisco 5520 Wireless Controller

Rear Panel LEDs, Definitions of States

Table 1 lists the Cisco 5520 Wireless Controller Rear Panel LEDs, Definitions of States.

5 Redundancy Port (RP)

6 VGA Connector—Rear panel has a standard VGA port using a female D-Sub-15

Connector

7 ID Switch and LED

1 10 G

2PwrOK

3 Port-n Link Status

4 Port-n Link Activity

5 Two 1/10 G SFP/SFP+ Ports

Table 1 Cisco 5520 Wireless Controller Rear Panel LEDs, Definitions of States

LED Name Function State

Pwr OK —

Amber On—Power is good

10 G — Amber On—10 G mode

Amber Off—1 G mode

Port-n Link Status — Green On—Link is up

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Overview of the Cisco 8540 Wireless Controller

The Cisco 8540 Wireless Controller provides centralized control, management, and troubleshooting for

high-scale deployments in service provider and large campus deployments. It offers flexibility to support

multiple deployment modes in the same controller: for example, centralized mode for campus, Cisco

FlexConnect mode for lean branches managed over the WAN, and mesh (bridge) mode for deployments

where full Ethernet cabling is unavailable. As a component of the Cisco Unified Wireless Network, this

controller provides real-time communications between Cisco Aironet access points, the Cisco Prime

Infrastructure, and the Cisco Mobility Services Engine, and is inter-operable with other Cisco

controllers.

Cisco 8540 Wireless Controller Rear Panel View

Port-n Link

Activity

—

Green blinking—Link activity

Service Port and

Redundancy Port

LED (present on

the port)

Interface Port

Speed (the left

LED on the

port)

Off—Link Speed = 10 Mbps

Amber On—Link Speed = 100 Mbps

Green On—Link Speed = 1 Gbps

Interface Port

Status (the

right LED on

the port)

Off—No link

Green On—Link

Blinking—Traffic present

Table 1 Cisco 5520 Wireless Controller Rear Panel LEDs, Definitions of States

LED Name Function State

1 Two Type A 3.0 USB ports

2 CIMC port 10/100/1000 Base-T

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Overview of CIMC

The Cisco Integrated Management Controller (CIMC) is the management service for the C-Series

servers. CIMC runs within the server.

3 SerialCOM Connector—Standard RS-232 Serial COM port using RJ-45 connector

4 Ethernet Service Port (SP)—Management 10/100/1000 Base-T

5 Redundancy Port (RP)

6 VGA Connector—Rear panel has a standard VGA port using a female D-Sub-15

Connector

7 ID Switch and LED

1 10 G

2PwrOK

3 Port-n Link Status

4 Port-n Link Activity

5 Two 1/10 G SFP/SFP+ Ports

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Logging in to CIMC

CIMC is a separate management module that is built into the motherboard. CIMC has its own

ARM-based processor which runs the CIMC software. It is shipped with a running version of the

firmware. Users can update CIMC firmware through the Firmware Update Management page. You need

not worry about installing the initial CIMC firmware.

Logging in to CIMC

Before starting

Check if Adobe Flash Player 10 or higher is installed on your local machine.

Step 1 Type or select the web link for CIMC in your web browser.

Step 2 A security dialog box is displayed, do the following:

a. Optional: Check the check box to accept all content from Cisco.

b. Click Yes to accept the certificate and continue.

Step 3 Enter your Username and password in the log in window.

Step 4 Click Log In.

Setting up CIMC

Setting up CIMC for 5520 and 8540 Wireless Controller

To setup the CIMC interface follow the given steps:

Step 1 Connect the CIMC cable to the 10/100/1000 port in base T.

Step 2 Use the command imm dhcp enable on WLC CLI to enable DHCP to set the IP.

Step 3 If DHCP is not available, use the command imm address <ip address> <net mask> <gateway ip>.

View the IP and details, using the command imm summary.

imm ?

address IMM Static IP Configuration

dhcp Enable | Disable | Fallback DHCP

restart Saves settings and Restarts IMM Module

summary Displays IMM Parameters

username Configures Login Username for IMM

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Setting up CIMC

Note Default password will be either ‘password’ or ‘Cisco1234’. You can change this via the username

command

CIMC Configurations that are required for reliable WLC operation

Note Once the user logs in to CIMC the following should not be changed. This will cause issues for WLC

operation.

•Do not change the NIC mode to shared. It should be in dedicated mode

•Do not change the FlexFlash Mode

•Do not change the SSD/Virtual disk settings

•BIOS parameters should not be changed

Expectations when logged in via CIMC

•FlexFlash is configured for RAID but only one flash is populated this causes CIMC to show the

FlexFlash as degraded.We can safely dis-regard the FlexFlash degradation warning in our case.

•Expect to see only one CPU populated

•Do not configure Software Raid on SSD

IMM Chassis Command reference

>show imm chassis

bios Fetch Chassis BIOS information

current Fetch Chassis Current information

fan Fetch Chassis FAN information

mac Fetch Chassis MAC information

memory Fetch Chassis Memory information

power-supply Fetch Chassis Power Supply information

sol-info Fetch Serial Over Lan information

temperature Fetch Chassis Temperature information

Some Example Outputs

>show imm chassis bios

BIOS Information

Vendor: Cisco Systems, Inc.

Version: C240M4.2.0.4a.0.042220151400

Release Date: 04/22/2015

>show imm chassis fan

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Setting up CIMC

FAN1_SPEED | 13h | ok | 29.1 | 16000 RPM

FAN2_SPEED | 14h | ok | 29.2 | 16000 RPM

FAN3_SPEED | 15h | ok | 29.3 | 17100 RPM

FAN4_SPEED | 16h | ok | 29.4 | 17100 RPM

FAN5_SPEED | 17h | ok | 29.5 | 17100 RPM

FAN6_SPEED | 18h | ok | 29.6 | 17100 RPM

>show imm chassis mac

MAC Address: a4:6c:2a:39:0f:be

Verify that the chasis mac and show inventory mac are conservative and not the same.

>show inventory

Burned-in MAC Address............................ A4:6C:2A:39:0F:BF

Power Supply 1................................... Present, OK

Power Supply 2................................... Present, OK

Maximum number of APs supported.................. 6000

NAME: “Chassis”, DESCR: “Cisco 8540 Wireless Controller”

PID: AIR-CT8540-K9, VID: V01, SN: FCH1913V18E

>show imm chassis temperature

FP_TEMP_SENSOR | 46h | ok | 12.1 | 23 degrees C

DDR4_P1_A1_TEMP | 64h | ok | 8.0 | 26 degrees C

DDR4_P1_B1_TEMP | 6Ah | ok | 8.3 | 26 degrees C

DDR4_P1_C1_TEMP | 71h | ok | 8.6 | 25 degrees C

DDR4_P1_D1_TEMP | 77h | ok | 8.9 | 25 degrees C

P1_TEMP_SENS | A1h | ok | 3.1 | 31 degrees C

PSU1_TEMP | C4h | ok | 10.1 | 24 degrees C

PSU2_TEMP | C5h | ok | 10.2 | 25 degrees C

PCH_TEMP_SENS | C6h | ok | 7.0 | 27 degrees C

RISER2_INLET_TMP | E8h | ok | 7.1 | 26 degrees C

RISER1_INLET_TMP | E9h | ok | 7.2 | 26 degrees C

RISER1_OUTLETTMP | EAh | ok | 7.3 | 28 degrees C

RISER2_OUTLETTMP | EBh | ok | 7.4 | 26 degrees C

>show imm chassis current

PSU1_IOUT | 28h | ok | 10.1 | 6 Amps

PSU2_IOUT | 2Eh | ok | 10.2 | 7 Amps

>show imm chassis power-supply

PSU1_POUT | 29h | ok | 10.1 | 72 Watts

PSU2_POUT | 2Fh | ok | 10.2 | 88 Watts

POWER_USAGE | C1h | ok | 7.0 | 176 Watts

PSU1_PIN | C2h | ok | 10.1 | 80 Watts

PSU2_PIN | C3h | ok | 10.2 | 96 Watts

>show imm chassis sol-info

Note Serial over LAN Configuration: When SOL is enabled, external console does not work

Set in progress: set-complete

Enabled: false

Force Encryption: false

Force Authentication: false

Privilege Level: USER

Character Accumulate Level (ms): 50

Character Send Threshold: 201

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Configure/View CIMC IP from console during bootup

Retry Count: 7

Retry Interval (ms): 500

Volatile Bit Rate (kbps): 115.2

Non-Volatile Bit Rate (kbps): 115.2

Payload Channel: 14 (0x0e)

Payload Port: 623

>show imm chassis memory

Size: 8192 MB

Locator: DIMM_A1

Size: No Module Installed

Locator: DIMM_A2

Size: No Module Installed

Locator: DIMM_A3

Size: 8192 MB

Locator: DIMM_B1

Size: No Module Installed

Locator: DIMM_B2

Size: No Module Installed

Locator: DIMM_B3

Size: 8192 MB

Locator: DIMM_C1

Size: No Module Installed

Locator: DIMM_C2

Size: No Module Installed

Locator: DIMM_C3

Size: 8192 MB

Locator: DIMM_D1

Size: No Module Installed

>debug fastpath dump temperature

Debug command to see the Dataplane card temperature

FP0.21:Address of Temp sensor SA56004 is 4c

FP0.21:

Configured Temperature values:

FP0.21:Crit Remote/local=105,90 Remote High/Low = 85,0 Local High/Low = 85,0

FP0.21:Status Reg= 0 Config =1 ,hysteresis=10

FP0.21:Octeon temp: 50.250 C, SA56004 temp: 25.750 C, Max/Min Temp = 55 / 0 C

FP0.21:

GPIO Stats:

FP0.21:Fan Status: Not Present

FP0.21:Temperature alert: Happened

Gives some advanced debugs for temperature related issue

Configure/View CIMC IP from console during bootup

Press F8 in the BIOS screen at the time of Bootup to view CIMC IP address configuration and to reset

password.

Step 1 Choose either DHCP or Static config.

Step 2 Enter the VLAN tag if needed.

Step 3 Enter the CIMC password.

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Accessing CIMC

Step 4 Press F5 to display the configured IP after making changes to IP or enabling DHCP.

CIMC Configuration Utility

Cisco Systems, Inc Version 1.1

*******************************************************

IPV4 (Basic)

DHCP enabled: (x)

CIMC IP:172.25.183.20

Subnetmask: 255.255.255.0

Gateway:172.25.183.1

VLAN (Advanced)

VLAN enabled: []

VLAN id:1

Priority:0

Default User (Basic)

Default password:

Reenter password:

**********************************************************

Step 5 Press F10 to save the configuration.

Accessing CIMC

To access CIMC follow the given steps:

Step 1 The POST and the option ROM config is displayed during the boot up process.

Step 2 These are the Option ROM config screens, which are displayed:

•LSI

•HBA/CNA if installed

•Additional NICs

•LOM

Step 3 Point a Web browser to the configured CIMC IP address.

•Default username: admin

Cisco 5520 and 8540 Wireless Controller Troubleshooting Guide

Accessing CIMC

•Default password: password

Step 4 Choose Admin > Network Settings and check Settings.

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