The Cisco 4000 Series ISRs have hot. show diagnostic result fex. speed-to-raise. PS-FAN1 is FAULTY. Speed to be added for current fan zone speed. 22 MB) View with Adobe Reader on a variety of devices. This is an example of output from the show env fan command: Controller >show env fan Switch 1 FAN 1 is OK Switch 1 FAN 2 is OK Switch 1 FAN 3 is OK FAN PS-1 is NOT PRESENT. Fan Modules Overview . MySwitch (config-if)#switchport mode access. SYSTEM FAN STATUS ===== Fan 1 OK, Low speed setting Fan 2 OK, Low speed setting Fan 3 OK, Low speed setting Fan 4 OK, Low speed setting. Cisco IOS XE 2. Cisco ASR 9010 fan, 2 fan trays per chassis. Can even test the issue by simply unplugging any poe device, once it drops below 185 watts usage it spins down. 56. Intel Xeon Silver 2. 4. I don't ever recall any of my 2960's being that loud, POE or not, but it's all relative. ASAシステムコンポーネントの状態確認方法 show environment コマンドで 冷却ファンや 電源、温度などの状態を確認できます。 対象コンポーネントの稼働停止や 異常な動作(※)を検知すると、ステータスが Failedや Critical 状態になります。 (※ファン低回転や 電源モジュール故障、異常な高温など. If the speed is set to auto, the switch negotiates with the device at the other end of the link for the speed setting and then forces the speed setting to the negotiated value. Use a crossover, twisted four-pair, Category 5 cable when you connect to other switches, hubs, or repeaters. please enter fan zone id whose speed needs to be increased. It searches your computer for informative chips and puts up. The SFP supports a speed of 48 and 16 GB PS. fandetails_3k (Optional) Environment Fan. As the power on and boot process progresses for the Cisco 4000 Series Integrated Services Routers, the status is indicated by LEDs. powersup (Optional) Environment Power. For a few days the box was quiet and the fans ran at a reasonably quiet speed. Cisco Nexus 3000 Series NX-OS N3K Mode Command Reference (Configuration Commands), Release 9. 2960x Fan command? I want to do something petty in my bosses office, I just installed a 2960x 24 porter in his office and I would like the fans to ramp up to 100% on maybe a timer or randomized so that my boss will be annoyed by this. Switch 2 FAN 2 is OK. Step 6 Pull the handles and slide the fan-tray assembly one half inch (12. The power supply PWR OK indicator is on and reflects power supply status. Cisco NCS 540 has 4 fans at the back panel. Has anyone found a way to control the fan speed? I'm on NX-OS version 5. The asterisk does. This command is introduced. Cisco 2960-X Series Switch Command Reference, Cisco IOS Release 15. Navigate to CIMC UI > Compute > Power Policies in order to find the setting. Fan Assembly LEDs. However in the past 24 hours the fan speeds have gone through the roof. Product Overview. Verification Steps. x (Catalyst 9500 Switches) 07/Dec/2021. css (debug)# show temperature all. (Optional) Air-flow direction of the fan-tray. External Redundant Power Supply is absent or powered off . The ports support breakout and 10-Gigabit with a QSA adapter on ports 1-36 and 1-Gigabit with QSA adapter on ports 7-32. So far I have interface GigabitEthernet0/0/0 description LAN ip address 10. fan2rpm (Optional) FAN2 Speed RPM. Cisco Catalyst 9200 (C9200) Series switches support two field-replaceable fan modules providing N+1 redundancy support. The Cisco bandwidth command is an optional but frequently used interface command. Product overview. The duplex setting remains as configured on each end of the link,. speed-to-raise. On a Series 3 FirePOWER appliance, the LCD panel's System Status mode. • Interface Port Speed is configurable: 1G / 10G. hardware forwarding l3 resource route non-deterministicThe Cisco ASR 903 Router and the Cisco ASR 903U Router are collectively referred to as the Cisco ASR 903 Router in this document. The duplex setting remains as configured on each end of the link,. (See Figure 2 . SYSTEM FAN STATUS ===== Fan 1 OK, Low speed setting Fan. SYSTEM POWER SUPPLY STATUS ===== Internal Power Supply Type: AC. 1 x Cisco 2911 Fan Assembly, 2911-FANASSY. TABLE_psufan (Optional) PSU Fan Details table. 168. Install the fan module in the fan slot, and firmly push it into the slot, applying pressure to the end of the module, not the extraction handles. Feature. Or, Module Hardware Alarms: FAN2 fan speed is running low. Part of the Cisco® ASR 9000 Series, the Cisco ASR 9001 Router (Figure 1) is a compact high-capacity Provider Edge (PE) router that delivers 120 Gbps of nonblocking, full-duplex fabric capacity in a Two-Rack-Unit (2RU) form factor. Dimensions (inches)Options. 0. Interface (Ethernet, Port Channel) Configuration mode. Seems the Netgear WGT624 4 port switch in my room was a bottleneck. 1. The interface bandwidth command is used to inform higher-level protocols about the interface’s speed. 0S onwards, the network-clock command is available on the 2RU, 4RU, 6RU, and 13RU. How Each Component Influences FAN Policy. Step 2. speed-to-raise. CISCO3845FANASSY - Cisco 3845 Fan Assembly and Bezel. Cisco SNS 3600 Series Appliance. Even after installing XenServer and installing a guest VM it continued to run quietly for some time. 9. Go to Administration > Policies and click Collect Metrics and Policies. fanperc (Optional) FAN Speed percentage. This article will give an overview about temperatures, overheating and fan speeds of the 3504 WLC by answering some of the most common questions Cisco TAC gets from customers. fanname (Optional) PSU Fan Instance. When one fan rotor fails, all others spin at maximum speed so that the system continues to function. This is the service that manages. ) Step 2 Slide the fan assembly out of the chassis and set it aside. fan-tray 1: fan-tray 1 type: WS-C6K-9SLOT-FAN2. To display the message-of-the-day (MOTD) banner,. configure duplex and speed on both interfaces,. 2. If you do not configure a mode, the default mode is applicable. Auto-Duplex (Half-duplex), Auto-Speed. Fairly basic 12v fans, but the fan speed is controlled by a Pulse Width Modulator (PWM) which means this is software controlled. The setup command facility prompts you to enter the information that is needed to configure a router quickly. hardware fan-zone raise-speed Can the fan speed in a Cisco 3560 be manually lowered? I changed from Comcast to Verizon fios at my place recently. Cisco Nexus 3000 Series NX-OS N3K Mode Command Reference (Configuration Commands), Release 7. 1. The System MAC address output displays device base MAC address (not configurable by user). Protocol address is bad. Laser Safety Guidelines. Cisco Nexus 3000 Series NX-OS N3K Mode Command Reference (Configuration Commands), Release 9. Overview of the Routers. This command places the system in access list configuration mode, in which the denied or permitted access conditions must be defined with the deny or permit command. Cisco Nexus 9000 Series NX-OS Command Reference (Configuration Commands), Release 10. Exceptional reliability and serviceability are delivered with optional internal AC and DC 1+1 hot-swappable power supplies and a hot-swappable fan. Participant. Negate a command or set its defaults. 0. Status of fan read from cpld register: Full Speed Important: As of 8. 3. fan1rpm (Optional) FAN1 Speed RPM. 9. Figure 5-33 Cisco 2911 Fan Tray Replacement. This mode provides enough Continuous Flow Measurement (CFM) to the system, so there ideally. Speed to be added for current fan zone speed. You can set the speed on some interfaces (hardware dependent). Type help or '?' for a list of available commands. Syntax DescriptionWhen using the Cisco setup command facility, and after you have provided all the information requested by the facility as described in Using the Cisco setup Command Facility, the final configuration appears. The problem is related to the ISR/SFP. One or more fans fail within a fan module—Even with multiple fan failures, switches in the Cisco MDS 9000 Series can continue functioning. If this is a fibre SFP then you can not change the speed. Command Mode /exec/configure. Step 2. 1-29 Chapter 1 LED Indicators. Agent deploying the test : An external agent. Device# show env fan SYSTEM FAN SPEED is OK This is an example of output from the show env power command: Device> show env power PID: Built-in System Power:(Watts) 36 Max Power Usage:(Watts) 14 Maximum Heat Dissipation: (Watts) 14 PoE Power extract:(Watts) 0. fan1rpm (Optional) FAN1 Speed RPM. 0(3)I3(1) Chapter Title. TABLE_fan_zone_speed (Optional) Fan Zone Speeds. Command Reference, Cisco IOS XE Fuji 16. Fan Speed : 0x2870 Raw Hex Fan Status : 0x00 Raw Hex. By default, Cisco switches will auto-negotiate the speed and duplex settings. Product overview. x (Catalyst 9200 Switches) Chapter Title. this command works: css# llama. from cables and kits dot com. Despite the name, it is not intended to limit bandwidth, and it cannot be used to change an interface’s actual capacity. The fan trays are located one above the other below the card cage and are equipped with handles for easy removal. If the speed is set to auto, the switch negotiates with the device at the other end of the link for the speed setting and then forces the speed setting to the negotiated value. 95. hardware forwarding l3 resource route non-deterministicThe fan tray supports: Model number C6807-XL-FAN. Example 8-9 Displaying Fan Information for a Cisco Nexus 7009 Series Chassis. -- Absent Fan Zone Speed: Zone 1: 0x7f Fan Air Filter : Absent. If the speed is set to auto, the switch negotiates with the device at the other end of the link for the speed setting and then forces the speed setting to the negotiated value. The chassis has a front-to-rear cooling path ( Figure 2-27 ). With this behavior, the message might be generated erratically if the fan speed increases above the lower threshold limit. configure duplex and speed on both. The dual fan modules are hot-swappable and installed in the rear of the chassis. please enter additional fan speed. Speed and duplex configurations can be advertised using autonegotiation. $159. From Cisco IOS XE Release 3. Use the environment router altitude meters command to increase the fan speed based on the specified altitude. 0(3)I6(1) Chapter Title. Target of the test : A Cisco device. Reply. This is expected behavior as it is obvious that it is better to ignore the configured policy in case the server is getting hot. Switch 1 FAN 3 is OK. One or more fans fail within a fan module—Even with multiple fan failures, switches in the Cisco MDS 9000 Series can continue functioning. replace the original sfp with Cisco "compatible" long wave GBIC. If I remember correctly, the 4500-x 16 comes with 4 fans and they do get pretty loud. fan-tray 1 version: 2. The sho env table command should be executed and the fan speeds reviewed. You may actually have a fault. This chapter describes the basic Cisco NX-OS system show commands. 1. The basic CLI commands for all of them are the same, which simplifies Cisco device management. Device# show env fan SYSTEM FAN SPEED is OK This is an example of output from the show env power command: Device> show env power PID: Built-in System Power:(Watts) 36 Max Power Usage:(Watts) 14 Maximum Heat Dissipation: (Watts) 14 PoE Power extract:(Watts) 0. Cisco Firepower Extensible Operating System (FX-OS) Software […] firepower-2110# firepower-2110# exit Remote card closed command session. set. 1, ASR 920-12SZ-IM, Cisco ASR-920-12SZ-A, and Cisco ASR-920-12SZ-D routers only load No Payload Encryption (NPE) images. 3 = No Such Object available on this agent at this OID". This issue is documented in the Cisco bug ID CSCsc59027 ( registered customers only) . The free app SpeedFan can help you find the cause behind a heightened CPU fan speed with ease. Cisco N540X-12Z16G-SYS-D The Cisco N540X-16Z4G8Q2C-A/D 1RU Router has the following hardware features: 4 x 1G Copper Ports. 7. Command Reference, Cisco IOS XE Bengaluru 17. 0 speed 1000 no negotiation auto. 2(x) Bias-Free Language. FAN 1 is OK. There is an enhancement bug which aims to provide more control over fan speed through the web interface of the controller. Wired speed, nonblocking performance for 802. Note: This policy is configurable for standalone Cisco UCS C-Series M5 servers using the. However, the only values that are negotiated are: For Cisco ASR 1000 Series Fixed Ethernet Line Cards—100 Mbps for speed and full-duplex mode. The duplex setting remains as configured on each end of the link,. As the power on and boot process progresses for the Cisco 4000 Series Integrated Services Routers, the status is indicated by LEDs. admin@N3550-F> show fan-speed Fan speed ----- Fan 0 8160 Fan 1 8040 Fan 2 8160 Fan 3 8160 Configuring a minimum fan speed Use the environment command as a starting point: show env all. Cisco Nexus 3548 NX-OS Command Reference (Configuration Commands), Release 7. checkmk-v2, checkmk-v2-1, checkmk-appliance. 1. The following example configures the speed of gi1/0/4 to 100 Mbps. 1. Line configuration. speed Enter the port speed storm-control Configure Interface storm control. 6. log Setting fan 0 speed to 137 (96 to 255) for 0. About Interfaces. 4. If you are really concern about important message, you should use a syslog server. You should immediately hear the fans in. From my Cisco Switch : XXXXXXXXXX#sh env all. 949: %PLATFORM_ENV-1-FRU_PS_FAN_FAILED: Faulty PS fan detectedCommand Reference. Use the sdm prefer global configuration command to configure the template used in Switch Database Management (SDM) resource allocation. The commands available to you depend on the mode you are in. x. Just in case it isn’t obvious – the pinout for that connector (Molex 44133-1208) is as follows: 1 TACH – 40mm; 2 TACH – 70mm (rear-most fan) 3 GND + Orange presence strapWhen using the Cisco setup command facility, and after you have provided all the information requested by the facility as described in “Using the Cisco setup Command Facility” section, the final configuration appears. show system. 0 media-type rj45 speed 1000 duplex full negotiation auto no cdp enable !Product Name: Cisco Firepower 2000 Series AC 400W Power Supply PID: FPR2K-PWR-AC-400 VID: V01 Vendor: Cisco Systems, Inc Serial (SN): LIT2010CAFE HW Revision: 0 Fan Modules: Tray 1 Module 1: Presence: Equipped Product Name: Cisco Firepower 2000 Series Fan Tray PID: FPR2K-FAN Vendor: Cisco Systems, Inc Fans: ID Presence-- ----. 3(x) Chapter Title. For the Cisco Nexus 5596T switch, the base board ports support 1 Gbps. If the chassis was powered on for more than 10 seconds, it indicates fan module failure. Command Mode 0. Cisco SNS-3615-K9 . Based on the same Cisco IOS ® XR software image as the other routers in the Cisco. Device >show env fan Switch 1 FAN 1 is OK Switch 1 FAN 2 is OK Switch 1 FAN 3 is OK FAN PS-1 is NOT PRESENT FAN PS-2 is OKThe show environment all command displays system temperature, voltage, fan, and power supply conditions. All tests finished and ROMMON is ready for commands. unit-id—Specifies the unit number. To complete your router configuration, follow these steps:. I'll try updating to latest 5. 3(x) Chapter Title. if your'e power supplies are 2500W or greater then i can't find a way. exec transport input all stopbits 1 line 11 12 no exec transport input all line 13 no exec transport input all speed 115200 line 14 16 no exec transport input all line aux 0 line vty 0 4 password cisco login ! end Related Commands. 2960x Fan command? I want to do something petty in my bosses office, I just installed a 2960x 24 porter in his office and I would like the fans to ramp up to 100% on maybe a. The Fan Speed policy will be "ignored" if the server requires higher fan speed to cool down. Step 5 Fold out the retractable handles at the outside edges of the fan tray. OS version: Ubuntu 20. The facility takes you through an initial configuration. speed-to-raise. configure duplex and speed on both. ASA 5515-X, and ASA 5525-X ship with one fixed fan and one fixed power supply (AC or DC) installed. Syntax Description. 62-in) fans. Hope this helps. Syntax Description. 2(25)EW, the output of the show power command is modified to display the status of these submodules: Switch# show power Power Fan Inline Book Table of Contents. shutdown. The Cisco ASR 903 Router is a fully-featured aggregation platform designed for the cost-effective delivery of converged mobile and business services. In the above scenario, note the difference between an unset BAUD in step no. SYSTEM FAN STATUS ===== Fan 1 OK, Low speed setting. The platform support cost-effective cloud-scale deployments, an increased number of endpoints, and cloud services with wire-rate security and telemetry. Table 1. Multichassis EtherChannel (MEC) is an EtherChannel bundled with physical ports having common characteristics such as speed and duplex, that are distributed across each Cisco StackWise Virtual system. Table 1-13. (See Figure 2 . show system [unit unit-id] . They run at high speeds and crusts accumulate on the fans, they fans will get LOUDER. Step 2 Use the command imm dhcp enable on WLC CLI to enable DHCP to set the IP. SYSTEM POWER SUPPLY STATUS ===== Internal Power Supply Type: AC. Starting with Cisco IOS XE Everest 16. 95. Speed to be added for current fan zone speed. 0(3)I7(4) Chapter Title. Replace a Fan Tray. Hence, the network-clock configuration command has been disabled on the Cisco ASR 1001 Router (1RU) chassis. Cisco Nexus 9000 Series NX-OS Command Reference (Configuration Commands), Release 7. use the switch stack port-speed 10 command in global configuration mode. The speed is fixed based on the type of SFP you have bought. environmental alarm thresholds: power-supply 1 fan-fail: OK. Accessing the Command Line Interface. Temperature Value: 25 Degree Celsius. Use the show system command to display system information. So, back into configuration (config t), and type: hardware fan-zone 1 raise-speed 25. Up to three fan failures. Output should look. The following lists the features and functionalities of a Cisco Catalyst 9600 fan tray: Has nine individual fans (three rows of three each) and supports a minimum airflow of 720 cubic feet per minute (cfm) at 100 percent fan throttle. Minimum allowable fan speed is a function of server inlet air temperature and applied fan policy. hardware controls fan speed. Parameters. The duplex setting remains as configured on each end of the link, which. The duplex setting remains as configured on each end of the link, which could. oper status . 1(x) Chapter Title. The two options are: Balanced —The fan runs at a faster speed when needed, based on the heat generated by the server. The majority of the time, a routing. Cisco UCS C-Series Servers Integrated Management Controller GUI Configuration Guide, Release 1. blf-speed-dial tag number label string [device] no blf-speed-dial tagAsynchronous Terminal Server Interface Modules for Cisco 4000 Series Integrated Services Routers Data Sheet. . FAN PS-1 is OK. 09-Jun-2022. Command Reference, Cisco IOS XE Dublin 17. 8. 0(3)I7(x) Chapter Title. Feb 23 19:46:04. N9K-C9508-FAN2. Note. 70%. Use the show environment Cisco IOS command to view fan tray activity. fast-convergence. View all documentation of this type. By default, the fan-tray ships with the variable speed capability, which means the RPM of the fan-tray increases as the ambient temperature increases. Table 6-38: show system Command Output Fields ; Field Description ; PS1-Status : Status of power supply 1 (ok, fan failed, faulty, or none). If the speed is set to auto, the switch negotiates with the device at the other end of the link for the speed setting and then forces the speed setting to the negotiated value. Then it's even loud when it shifts to settled mode and resonates loud. There is no such command in local administration mode. The RSP/RP monitors card. Use the show environment fan command to display the fan module status. x (Catalyst 9600 Switches) Chapter Title. hardware forwarding funcstats clear. Temp-Alarm : Status of whether the temperature alarm is off or on. hardware. Command Mode. 0 Power Supply Status: GoodCommand Reference, Cisco IOS XE Fuji 16. 16 x 1G/10G SFP+ Ports. Functional Description. It is set for auto negotiation and negotiates to 100M/Full duplex to an ADVA NTE. Standard fan trays are included as part of the Nexus 7700 2-, 6-, 10-, and 18-slot chassis. Slot 1 Temperature - 34 degrees C. If necessary, change the permissions for the file. 24-Oct-2023. 9. On a UNIX boot server, set the permissions for the file to owner read/write, group read, and global read (the UNIX command for setting these permissions is chmod 644 filename ). Unlike the 1400 W DC power supply, the 1400 W DC SP power supply has submodules (multiple inputs) that can be powered on or off. Cisco 220 Series Smart Plus Switches Command Li ne Interface Reference Guide Release 1. 0. Options. Are there any Fan. Cisco ASR 1009-X Router The fan in each PEM receives power and begins drawing air through the power supply. x (Catalyst 9600 Switches) Chapter Title. But seriously, you should get the root cause taken care of - get the fan fixed or RMA the router. Cisco Switch CLI: ACE01aES93#sho env all. By default, 3504 WLC fan does not turn on unless internal temperature reaches 80°C. Breakout mode is when a high-speed, channelized port on a network element is broken down into multiple low-speed ports, each going to multiple network elements. The default interface speed is 10-Gigabit. High Performance. Command Reference, Cisco IOS XE Amsterdam 17. With Cisco IOS Release 12. Cisco Nexus 3000 Series NX-OS N9K Mode Command Reference (Configuration Commands), Release 9. While in global configuration mode, specify a line with the line vty or line console command. The Cisco 1921 builds on the best-in-class offering of the Cisco 1841 Integrated Services Routers. The chassis contains four fan trays (Cisco ASR 9922 Router and Cisco ASR 9912 Router Fan Tray). speed. johnlloyd_13. Cisco Nexus 9000 Series NX-OS Command Reference (Configuration Commands), Release 7. Command Reference, Cisco IOS XE Dublin 17. Using the Command Line Interface (CLI) PDF - Complete Book (17. 9. You can however show the power. Parameters. Align the fan module to the open fan tray slot in the chassis and press the module all the way into the slot until the left and right latches click and lock on the chassis. 0(3)F3(4) Chapter Title. PS2-Status : Status of power supply 2 (ok, fan failed, faulty, or none). sudo ipmitool sensor thresh {fan_id} upper 400 400 400. Skip to content; Skip to search; Skip to footer;. configure duplex and speed on both interfaces,. The ASA 5545-X. The filters may be used to meet Network Equipment Building Systems (NEBS) requirements, or to operate in dusty environments. 32 GB RAM. ASRock boards follow a pattern in terms of the Fan ID / fan position order specified in IPMI commands that control the fans. Catalyst 2960-X Switch NetFlow Lite Command Reference, Cisco IOS Release 15. High Availability and Redundant Operation. The power supply PWR OK indicator is on and reflects power supply status. 2(3). Fan speed on 9148S goes high after 30 minutes, and will not return to normal. Fan Speed is High. Syntax Description. 25amp which is quieter but it ramp up the rpm of other 3 fans. fan-zone : Fan Zone supported in the switch. 6 Add RADIUS server addressCisco NX-OS Software NX-API Command Injection Vulnerability ; Cisco FXOS. Hi, For Catalyst 4500. When the altitude is above 6000 ft (1829 m), the fan speed increases. Thanks, strange, My NMS was showing Fan-tray 1 as "failed" but here it appears to be good. Note For complete syntax and usage information for the switch commands used in this chapter, see the Cisco IOS Command Reference Guides for the Catalyst 4500 Series Switch. – FAN OK is green. Use the ‘ show environment | include fan-tray ‘ command to check. You have to hard code the media type to rj45 with the interface command. Green : All power is within specifications. Troubleshooting the Power SubsystemConsolidated Platform Command Reference, Cisco IOS Release 15. raise-speed : Speed to be added for current fan zone speed. Enter the write erase command at the command line and press y when prompted whether to proceed. Which make sense because one of the four fan is taking less so the other 3 fan takes more. The following example shows a sample configuration of the CPU-usage watermarks and the polling interval: config system alarms cpu-usage high-watermark-percentage 80 medium-watermark-percentage 70 low-watermark-percentage 50 interval 10. The cause of a fan speed issue is seen as: 1) High system temperature (could be blockage but not necessarily so) 2) Any SFP temp alarm. Here's an odd one. 100. Use the show system command to display system information. Solved: Hi, The fans 1 & 2 in Module 1 on the Nexus5K are still experiencing the very high RPM and speed issue. 5 . Command Reference, Cisco IOS XE Cupertino 17. hardware forwarding funcstats clear. 3. The temp does ramp up from about 35C to 38C after a bit so temp sensor is definitely working (no load or anything connected). Replace a Fan Tray. 0. Logging buffer will not store any data if the router is. Step 2 Use the command imm dhcp enable on WLC CLI to enable DHCP to set the IP. As long as your fans are between 4230 and 10070 the fans are in a normal operating range. For example, high CPU utilization or the switch is installed in the wrong location with no cooler. I have replaced the fan from another operational Nexus5K, and the fans are fine in the other Nexus. Fan 2 Normal Fan 3 Normal Fan Speed is Normal Alert settings: Intake temperature warning: Enabled, Threshold: 55. Specific components influence the FAN policy for Cisco Servers. This command is not supported by the three-port. Device >show env fan Switch 1 FAN 1 is OK Switch 1 FAN. My NMS was showing Fan-tray 1 as "failed" but here it appears to be good. Command output shows temperature based on slot ("all" for showing all slots). Cisco Nexus 9000 Series NX-OS Command Reference (Configuration Commands), Release 10. Use the show system command to display system information.