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background image

All LEDs on the DECagent 90 turn on either immediately or at initial power-
up. After approximately 5 seconds, the network LED turns on with intensity
that is proportional to the amount of network activity on the port.

Figure 2–5 DECagent 90 Backplane Installation

L J - 0 1 4 6 0 - T I 0

Power-Up and Reset

Upon power-up and reset, the DECagent 90 performs self-test out of ROM.
The DECagent 90 then enters an operational mode if an IP address has been
established. If an IP address has not been established, then the agent will
attempt to obtain its IP address using the bootp protocol. Refer to Chapter 3 for
more information about setting the IP address.

Installation 2–9

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Summary of Contents for DECagent 90

Page 1: ...DECagent 90 User Information Order Number EK DENMA UI A01 Revision Update Information This is a new manual Digital Equipment Corporation Maynard Massachusetts ...

Page 2: ... computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to provide reasonable protection against such radio frequency interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense may be required to take measures to correct the interference The following are tradem...

Page 3: ...stallation Introduction 2 1 Quick Reference Installation Procedures 2 1 For a Standalone Installation 2 1 For a Backplane Installation 2 3 Standalone Installation 2 5 Select a location 2 5 Place the DECagent 90 on a table 2 5 Mount the DECagent 90 on a wall 2 5 Connect the cables 2 7 Backplane Installation 2 8 Remove the back cover 2 8 Mount the DECagent 90 in the backplane 2 8 Power Up and Reset ...

Page 4: ...Community 4 2 Add Community 4 4 Remove Community 4 5 Add Community Trap Addresses 4 6 Remove Community Trap Addresses 4 6 Change Community String 4 7 Change Community Size Type 4 8 Change Default Community 4 8 Set Agent IP Address 4 9 Enable Disable SNMP Sets 4 9 Change System Information 4 9 Change Security Configuration 4 10 Show Module 4 12 Add Module 4 13 Remove Module 4 15 Move Module 4 16 Ch...

Page 5: ...ng 5 3 A Specifications and Parts Introduction A 1 Physical Dimensions A 1 Environmental Specifications A 2 Operating Environment A 2 Shipping Environment A 2 Electrical Specifications A 3 Power Supply A 3 Input Voltage A 3 Console Connector Pin Out RS 232 DB25 A 4 Replacement Parts A 4 B Console Messages Introduction B 1 Informational Messages B 1 Error Messages B 5 C MIB Groups and Communities I...

Page 6: ...le 1 4 2 1 Connecting the Cables 2 2 2 2 Backplane Installation 2 4 2 3 Removing the Back Cover 2 6 2 4 Mounting the DECagent 90 on a Wall 2 7 2 5 DECagent 90 Backplane Installation 2 9 4 1 Show Community Screen 4 4 4 2 Show Module Screen 4 13 Tables 1 1 DECagent 90 LEDs and Connectors 1 5 3 1 Terminal Setup Parameters 3 3 5 1 Troubleshooting a DECagent 90 Standalone Unit 5 2 5 2 Troubleshooting a...

Page 7: ...ow to install the DECagent 90 as a standalone unit or in a DEChub 90 backplane Chapter 3 describes the configuration rules you should follow for correct operation of the DECagent 90 Chapter 4 describes how to operate the DECagent 90 on a network using the console main menu options Chapter 5 contains basic troubleshooting information Appendix A contains system specifications and a parts list Append...

Page 8: ... complete titles of manuals commands Commands are shown in uppercase or lowercase letters For the VMS operating system you can enter commands in either uppercase or lowercase letters For the ULTRIX operating system commands must be entered as indicated in the examples monospaced type Text that the system displays on the screen is shown in monospaced type bold monospaced type Bold monospaced type i...

Page 9: ...d through SNMP Stores MIB settings in battery backed RAM Provides out of band console port Allows hot swap of modules Description The DECagent 90 is a network management agent designed for the IEEE 802 3 CSMA CD networks The DECagent 90 uses a Simple Network Management Protocol SNMP agent The DECagent 90 has one ThinWire port and one asynchronous RS 232 port The ThinWire port complies with the IEE...

Page 10: ... client modules This includes the DECserver 90L and the DECbridge 90 The DECrepeater 90C and DECrepeater 90T are managed by a DECbridge 90 in the hub The DECagent 90 accepts SNMP messages on behalf of its client modules sends an appropriate command to the queried client module and waits for a response from the client module When it receives a response from the client module the DECagent 90 sends a...

Page 11: ... SNMP IP Community NMS Username _________________________ Password __________________________ Okay Erase LJ 01882 TI0 Power Supply When operating as a standalone agent power is supplied to the DECagent 90 with a separate power supply This power supply is connected to the agent by a cable with a 7 pin connector The auto ranging power supply is modular and accommodates either a North American 120 vo...

Page 12: ...d Connectors Figure 1 3 shows the DECagent 90 and Table 1 1 describes the DECagent 90 LEDs and connectors Figure 1 3 The DECagent 90 Module PJ D120 REDUCE 45 ORG 7 3 2 1 9 8 10 6 5 4 LJ 01459 TI0 1 4 Overview ...

Page 13: ...ork is not operational Flashing Flashing at a 1 second interval with the backbone port OK indicator indicates that an IP address has not been set Asynchronous serial port RS 232 connector Provides an interface to the DECagent 90 through a terminal or terminal emulation program Reset switch Resets the agent back to factory settings Nullifies the password for the DECagent 90 The agent is accessible ...

Page 14: ...ddress strings is to use a similar name for the hub and community address string The community string name can be up to 32 characters long There are two community strings per community a read only string and a read write string A community string consists of any printable characters and are case sensitive Here are two examples of naming schemes MyHUBFloor3Room27 COMM_LAB_HUB_3 For more information...

Page 15: ...es detailed installation procedures Quick Reference Installation Procedures This section provides an overview of the standalone and backplane installation procedures See the Standalone Installation and Backplane Installation sections for detailed procedures For a Standalone Installation To install and enable the DECagent 90 as a standalone unit you need to 1 Select a location 2 Place the DECagent ...

Page 16: ...Connect the cable from the power supply H7827 AA to the 7 pin power connector on the DECagent 90 c Connect a terminal or terminal emulator to the front panel asynchronous port This connection allows console management Figure 2 1 Connecting the Cables PJ D120 SCALE 46 85 LJ 01714 TI0 Terminal 2 3 1 2 2 Installation ...

Page 17: ...nt 90 in a DEChub 90 backplane Figure 2 2 you need to 1 Remove the back cover if there is one 2 Install the DECagent 90 in the DEChub 90 Place the lower mounting tab on the back of the DECagent 90 into slot 7 or 8 of the backplane Rock the DECagent 90 into place 3 Connect a terminal or terminal emulator to the front panel asynchronous port and press the Return key several times The console prompt ...

Page 18: ...Figure 2 2 Backplane Installation LJ 01715 TI0 Terminal 3 2 1 2 4 Installation ...

Page 19: ...ltage Place the DECagent 90 on a table If you place the DECagent 90 on a table top follow the environmental specifications listed in Appendix A Mount the DECagent 90 on a wall To mount the DECagent 90 on a wall use the following procedure 1 Remove the back cover of the DECagent 90 if there is one Figure 2 3 a Insert a small screwdriver into the top mounting hole on the cover b Lift up on the latch...

Page 20: ...ck cover to the wall using the mounting screws The screws should be tight enough to provide resistance if you try to remove the back cover from the wall Do not make them so tight that the cover is distorted or cannot be removed from the wall 4 Remove the back cover from the wall 5 Attach the back cover to the DECagent 90 6 Mount the DECagent 90 onto the mounting screws 2 6 Installation ...

Page 21: ...Align the power symbol on the dc power connector with the power symbol on the DECagent 90 and push the power connector straight in 2 Connect the power supply cord to the modular power supply then to the wall outlet All the LED indicators should turn on during initial power up After approximately 5 seconds the backbone port OK indicator and the asynchronous serial port RS 232 status LEDs turn off w...

Page 22: ...a DEChub 90 backplane Remove the back cover Remove the back cover if there is one Figure 2 3 1 Insert a small screwdriver into the top mounting hole located on the cover 2 Lift up on the latch with the screwdriver and pull the cover away and down from the top of the unit Mount the DECagent 90 in the backplane 1 Install the DECagent 90 in the backplane Figure 2 5 Place the lower mounting tab locate...

Page 23: ...gent 90 Backplane Installation L J 0 1 4 6 0 T I 0 Power Up and Reset Upon power up and reset the DECagent 90 performs self test out of ROM The DECagent 90 then enters an operational mode if an IP address has been established If an IP address has not been established then the agent will attempt to obtain its IP address using the bootp protocol Refer to Chapter 3 for more information about setting ...

Page 24: ...f a minor error occurs during power up or reset then the DECagent 90 enters monitor mode While in monitor mode error information and logs can be accessed through the RS 232 console port 2 10 Installation ...

Page 25: ... planners should consult the standards frequently for detailed information Segment Length The port 0 ThinWire segment can be as long as 185 meters A ThinWire segment may have a total of 30 transceivers Firmware Version The DECagent 90 requires that the firmware be Version 2 3 or higher Setting a Password You must set a password at initial power up and after the password reset button is pressed The...

Page 26: ...word or if a password is already set a pound sign appears 2 Enter the password at the pound sign and press the Return key The console main menu appears 3 Choose the Set Agent IP Address option to set the IP address For more information about the Set Agent IP Address option see Chapter 4 Modifying the Bootp Table To set the IP address over the network you must have a bootp server with a bootp dæmon...

Page 27: ...re required to establish a connection to the DECagent 90 Ensure that the following terminal setup parameters are in effect Table 3 1 Terminal Setup Parameters Parameter Setting Transmit speed 300 to 9600 baud Receive speed Receive Transmit Transmit flow control XON XOFF Character format 8 bits no parity Stop bits 1 Local echo Disable Configuration 3 3 ...

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Page 29: ...ssword See Chapter 3 for information about setting passwords Using the Console Interface The following conventions apply when you use the console interface Return or Enter Press the Return or Enter key after you enter information at the console Defaults Default responses appear in angle brackets Press the Return or Enter key at any prompt to select the default Messages Informational and error mess...

Page 30: ...ow Counters 9 Set Agent IP Address 10 Enable Disable SNMP Sets 21 Restore Factory Settings 11 Change System Information 22 Reset the Agent 12 Change Security Configuration 23 Exit wait 5 sec before restart Enter your selection Note For security reasons the read write community string should be changed to something other than the default public To choose a menu option enter the option number and pr...

Page 31: ... 8 Total Ports 24 Bridge Slot 8 Interface Number 10 Traps 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 7 7 7 7 8 8 8 8 Press RETURN for more Press the Return key to display the second Show Community screen The second screen contains a graphic display For a standalone module slot 1 appears For a hub or extended hub slots 1 through 8 appear Each module is displayed in its slot in the hub If the c...

Page 32: ...s RETURN to continue Press the Return key to return to the main menu Add Community Option 2 Add Community allows you to add a community to the agent s database When you choose the Add Community option the following appears Sets Enabled DEChub 90 SNMP Network Management Agent V1 0 Default Community public 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255 System Uptime 12 09 32 45 Add Com...

Page 33: ...pears Add another module YES Remove Community Option 3 Remove Community allows you to remove a community from the agent s database When you choose the Remove Community option the following appears Sets Enabled DEChub 90 SNMP Network Management Agent V1 0 Default Community public 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255 System Uptime 12 09 42 45 Remove Community Index Community ...

Page 34: ...on the following appears Sets Enabled DEChub 90 SNMP Network Management Agent V1 0 Default Community public 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255 System Uptime 12 09 42 45 Add Community Trap Addresses There are no trap address set for this community You may enter up to 8 more trap addresses for this community Add trap address Enter the trap address using the following format...

Page 35: ... to null effectively disabling access via that community string You will not be allowed to set both community strings to null 1 Read Only Community String 2 Read Write Community String 3 Trap Community String Enter your selection The following table describes the results of each selection If you enter Then the following prompt appears 1 Enter the read only community string 2 Enter the read write c...

Page 36: ...ex the following prompt appears 1 Standalone 2 8 slot Hub 3 16 slot Hub Enter the community type Change Default Community Option 8 Change Default Community allows you to change the current default community Several main menu selections operate by default The default community is the community that is currently active When you choose the Change Default Community option the following appears Sets En...

Page 37: ...ion 10 Enable Disable SNMP Sets allows you to enable or disable SNMP Sets When you choose this option the state of the SNMP Sets is changed For example if the SNMP Sets are currently enabled choosing this option will disable the SNMP Sets To determine the current state of SNMP Sets check the upper left corner of the screen If Sets Disabled is flashing then SNMP Sets are currently disabled If SNMP ...

Page 38: ...le password and configure the console timeout value Change Console Password Change Console Password allows you to change the console password Passwords will not be echoed back to the screen when they are entered The following information and prompts appear Sets Enabled DEChub 90 SNMP Network Management Agent V1 0 Default Community public 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255...

Page 39: ...wing messages indicating the current status of the console timeout feature appears The console timeout feature is currently disabled Enter a non zero value to re enable it or The current console timeout value is nn minutes Where nn is the current timeout value if enabled If the console timeout feature is disabled the console timeout value is zero 0 If the console timeout feature is currently enabl...

Page 40: ... 3 Enabled Port 7 Alpha Port 7 Enabled Port 4 Alpha Port 4 Enabled Port 8 Alpha Port 8 Enabled If there is more than one module in the community the following prompt appears Enter the slot number nn Enter the slot number and press the Return key The module in that slot appears on the screen and the following prompt appears Show the next module YES If there is only one module in the community that ...

Page 41: ...ic 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255 System Uptime 12 09 42 45 Add Module 1 DECrepeater 90C 7 DECagent 90 13 DECrepeater 90T 2 DECrepeater 90C 8 DECbridge 90 14 DECrepeater 90T 3 DECrepeater 90C 9 DECrepeater 90T 15 Empty 4 DECserver 90L 10 DECrepeater 90T 16 Empty 5 Empty 11 DECrepeater 90T 6 Empty 12 DECrepeater 90T Enter the slot number nn Where nn is the first empty ...

Page 42: ...hich the bridge may be placed is currently empty do you wish to put the bridge there YES Enter the slot number n Where n is either 7 or 8 depending on which slot is empty Enter either 7 or 8 to place the bridge in that slot Note If only one slot is empty you will be asked only for a module type If applicable the following prompt appears Enter the MAC address The acceptable formats are as follows u...

Page 43: ...DECbridge 90 14 DECrepeater 90T 3 DECrepeater 90C 9 DECrepeater 90T 15 Empty 4 DECserver 90L 10 DECrepeater 90T 16 Empty 5 Empty 11 DECrepeater 90T 6 Empty 12 DECrepeater 90T Enter the slot number You will then be asked to verify that you want to remove the module from the slot a prompt similar to the following appears DECrepeater 90C will be removed from slot 1 Are you sure If you enter Yes Y at ...

Page 44: ...er the following prompt appears Move to slot number After you enter a slot number another prompt appears Move another module YES Change Module MAC Address Option 17 Change Module MAC Address allows you to change the MAC address of a module in a community The Change Module MAC Address option lists all the slots in the current default community It indicates whether or not a module occupies that slot...

Page 45: ... carrier When you choose this option the following appears Sets Enabled DEChub 90 SNMP Network Management Agent V1 0 Default Community public 1 Default Slot 1 Name DECagent 90 IP Address 255 255 255 255 System Uptime 12 09 42 45 Connect Enter the MAC address To connect to a device enter the MAC address of the device The acceptable formats are as follows uu vv ww xx yy zz uu vv ww xx yy zz uuvvwwxx...

Page 46: ... of loops 1 Entering a number larger than 1 will result in being prompted for that number of MAC addresses through which the loopback will be performed The first MAC address entered will be the first destination of the loop test packet The test packet will then be sent to the next MAC address and so on until all MAC address have been utilized The test packet is then sent back to the originating MA...

Page 47: ...Receive failure x Frames sent Block check error Initially deferred x Framing error Single collision x Frame too long Multiple collisions x System buffer unavailable x Unrecognized frame dest n x User buffer unavailable x Data overrun x MOP V4 Counters for xx xx xx xx xx xx Time since counter creation ddd hh mm ss ccc Send failure Excessive collisions x Bytes received x Carrier check failed x Bytes...

Page 48: ...ollowing warning message and prompt appears Restore Factory Settings WARNING WARNING WARNING WARNING WARNING Restoration of factory settings will destroy all the information the DECagent 90 knows about all communities What will remain is a community of one a standalone DECagent 90 Are you sure you want to do this NO Caution If you enter Yes Y at the prompt all settings that you have made are destr...

Page 49: ... software image The image is initially loaded into a landing pad area of RAM After the transfer is complete and the software checksum is verified the DECagent 90 transfers the new image into flash RAM The DECagent 90 then resets and cycles through power up The upgrade procedure is non destructive Programmable information pertaining to the DECagent 90 and its clients is preserved Loading from a VAX...

Page 50: ...set cir qna 0 state off Return ncp set cir qna 0 service enabled Return ncp set cir qna 0 state on Return 4 Exit out of ncp and downline load the firmware file denma exe into mom load by entering the following command copy denma exe mom load Return Downline Loading the Firmware File The downline loading is performed through the command console interface CCI To access CCI use the following procedur...

Page 51: ...A 00 04 00 located Requesting load from host Loading from load host Image verification in progress Image load completed Attempting crc check on image loaded CCI The DECagent 90 is now loaded with its firmware image The following message appears if there was an error in the load process Try loading again Invalid load image The following message appears if the DECagent 90 could not locate a load hos...

Page 52: ...ost ULTRIX Host Node Setup Check to see if the ULTRIX host is set up to allow downline loads The mop_mom process must be running To set up the ULTRIX host for downline loading use the following procedure 1 At the prompt enter the following command ps ax grep mop_mom Return The following is a typical response If you see only the grep mop_mom then you need to start the mop_mom process 721 I 0 10 mop...

Page 53: ...I load denma exe Return The following appears on the terminal Attempting to locate load host Host AA 00 04 00 located Requesting load from host Loading from load host Image verification in progress Image load completed Attempting crc check on image loaded CCI The DECagent 90 is now loaded with its firmware image The following message appears if there was an error in the load process Try loading ag...

Page 54: ...er The load host is not properly set up See the ULTRIX Host Node Setup section The DECagent 90 is faulty Call your Digital Services Engineer 5 To start the module you can do one of the following At CCI console prompt enter this command start 200000 Turn the power to the module off then turn it back on Trap PDU Traps are not supported in Version 1 0 of the DECagent 90 4 26 DECagent 90 Management ...

Page 55: ... DEChub 90 backplane Before You Start 1 Verify the installation of the DECagent 90 Installation must meet the configuration rules given in Chapter 3 2 Note the fault condition 3 Isolate the problem Use Table 5 1 to troubleshoot a standalone DECagent 90 Use Table 5 2 to troubleshoot a DECagent 90 installed in a DEChub 90 backplane Troubleshooting 5 1 ...

Page 56: ...er supply for 220 V operation All LEDs flicker The DECagent 90 is not receiving the correct voltages Connect the DECagent 90 to the correct power supply The network activity LED is off There is low network activity or no network activity Ensure that network activity is present and that the segment is properly terminated If the network activity LED still fails to illuminate Turn the agent off and o...

Page 57: ...omponents are on the DECagent 90 has a power problem Ensure that the agent is in slot 7 or 8 If the agent is in the correct slot try re seating the DECagent 90 in either the same slot or the other slot If the power LED on the DEChub 90 power supply is on are other component power LEDs off If other components are off the DEChub 90 has a power problem See the troubleshooting procedures in the DEChub...

Page 58: ...ECagent 90 The port 0 network activity LED is off The DECagent 90 or any other unit in the DEChub 90 may not be connected to an active segment Connect a known active segment to a port other than port 0 on any unit in the DEChub 90 If the DECagent 90 is connected to a known active segment and the port 0 LED is off the DECagent 90 is defective Replace the DECagent 90 5 4 Troubleshooting ...

Page 59: ...ifications Electrical specifications Console connector pin out The appendix also lists the replacement parts for the DECagent 90 Physical Dimensions The following table lists the physical dimensions of the DECagent 90 Dimension Measurement Height 3 5 cm 1 4 in Width 28 0 cm 11 0 in Depth 14 0 cm 5 5 in Weight 77 kg 1 7 lb Specifications and Parts A 1 ...

Page 60: ...o 122 F Maximum rate of change 20 C hr 36 F hr Relative humidity 10 to 95 non condensing Wet bulb temperature 32 C 90 F maximum Dew point 2 C 36 F minimum Altitude Sea level to 2 4 km 8000 ft Air flow Convectively cooled A minimum of 10 cm 4 in of space must be provided on both ends of the unit for adequate air flow Shipping Environment The following table provides the shipping environment specifi...

Page 61: ...ac Voltage international 208 Vac to 256 Vac nominal 240 Vac AC cord length 6 ft Current at 120 volts 25 A Current at 240 volts 125 A Frequency 50 Hz to 60 Hz Power consumption 9 W Output voltage 1 5 1 Vdc Output voltage 2 12 0 Vdc DC cord length 8 ft Output current 1 8 A Input Voltage The following table provides the input voltage specifications Specification Value Input voltages 12 0 Vdc 4 75 to ...

Page 62: ... 17 5 Clear to Send CTS 18 6 Data Set Ready DSR 19 7 Signal Ground GND 20 Data Terminal Ready DTR 8 Carrier Detect CD 21 9 22 Ring Indicator RI 10 23 11 24 12 25 13 Replacement Parts The following table lists the replacement parts and order numbers for the DECagent 90 Replacement Part Order Number DECagent 90 DENMA MA Power supply 110 220 Vac H7827 AA Rear cover H0342 AA A 4 Specifications and Par...

Page 63: ... in slot nn This message appears when a MAC address is in the process of being changed Community nn added Now adding modules This message appears when a community has been added to the agent s database Community nn removed This message appears when a community has been removed from the agent s database Community nn will be removed This message appears when a community is about to be removed from t...

Page 64: ...ocate others modules in the hub module type added to slot nn This message appears when a module has been added to the indicated slot in the default community module type moved from slot xx to slot yy This message appears after you choose the Move Module option when a module has been moved to another slot The module type and slots whose contents have changed appear in the message module type remove...

Page 65: ... is in a hub it must now be moved to an appropriate slot This message appears when you have changed the community size of a standalone agent or bridge so that it resides in a hub or extended hub You are prompted for one of the slots to which the module can be moved Password changed This message appears when the console password is changed Pressing only the RETURN key at the prompt for the new comm...

Page 66: ...ou are prompted to enter a console password which will be used as a security mechanism for access to the console menu The console timeout feature is currently disabled Enter a non zero value to re enable it This message appears during the Change Console Timeout option of the Change Security Configuration option to indicate that the console timeout feature is currently disabled The console timeout ...

Page 67: ...riate slot before attempting to change the community size Error Messages The following section lists the error messages that might appear at the console A module was found in slot nn nn modules were found in slots xx through yy One of these messages accompanies the Unable to change community size message issued when you choose the Change Community Size Type option to indicate the reason why the ag...

Page 68: ...tring options and the community string is already in use by another community Error adding community Insufficient system resources This message appears when you have attempted to add a community and an agent resource such as memory has been exhausted Error adding module Insufficient system resources This message appears when you have attempted to add a module to a community and an agent resource s...

Page 69: ...ity string Invalid console password Please try again This message appears when an invalid password has been entered You are prompted to re enter a valid password Invalid IP address Please try again This message appears when an invalid IP address has been entered You are prompted to re enter a valid IP address Invalid MAC address Please try again This message appears when an invalid MAC address has...

Page 70: ...mum password length is 6 This message appears when the password you entered was less than 6 characters Password verification failed This message appears when you change the console password At the verification prompt you typed something different than what you typed at the new password prompt Please respond with YES or NO This message appears when you incorrectly respond to a YES or NO query Slot ...

Page 71: ... the community The DECbridge 90 must reside only in slot 7 or 8 Use the Move Module command to vacate the desired slot This message appears when you attempt to add or move a bridge within a hub to a slot other than slots 7 and 8 The module type does not have a MAC address This message appears when you attempt to change the MAC address of a module which does not have a MAC address The new console p...

Page 72: ...ot take place because no modules are in the community This community has only one slot This message appears when you attempt to move a module which is a member of a standalone community Trap address trap address is already in the trap table This message appears when you attempt to enter a duplicate trap address Trap address 0 0 0 0 is not valid This message appears when you attempt to add trap add...

Page 73: ... community that already has a bridge installed You cannot change the MAC address of the DECagent 90 This message appears when you attempt to change the MAC address of a DECagent 90 You cannot remove the community in which the DECagent 90 resides This message appears when you attempt to remove the community in which the DECagent 90 resides You cannot set to null the read write community string of a...

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Page 75: ...at are supported by the DECagent 90 It also provides information about the slot table and communities MIB Groups A MIB is a collection of manageable objects for a given entity The following standard MIBs are supported by the DECagent 90 MIB II IETF bridge group RS 232 like MIB group Character group MIB Groups and Communities C 1 ...

Page 76: ...0 SNMP IETF bridge Character RS 232 like These groups are the basic unit of conformance This method is as follows If the semantics of a group is applicable to an implementation then it must implement all objects in that group For example an implementation must implement the EGP Exterior Gateway Protocol group if and only if it implements the EGP Bridge Group Objects in this MIB mib 2 17 are arrang...

Page 77: ...Stp ProtocolSpecification Priority TimeSinceTopologyChange TopChanges DesignatedRoot RootCost RootPort MaxAge HelloTime HoldTime ForwardDelay BridgeMaxAge BridgeHelloTime BridgeForwardDelay PortTable Port Priority State Enable PathCost DesignatedRoot DesignatedCost DesignatedBridge DesignatedPort ForwardTransitions MIB Groups and Communities C 3 ...

Page 78: ...resent specific applications such as a terminal the Character MIB or a network connection the PPP MIB The RS 232 like MIB is mandatory for all systems that have a hardware port that supports services managed through some other MIB such as the Character MIB or PPP MIB The MIB includes multiple similar types of hardware and as a result contains objects not applicable to all of those types Such objec...

Page 79: ... the Character MIB or PPP MIB Further MIBs may appear above these The intent of the model is for the physical level MIBs to represent the lowest level regardless of the higher level that may be using it In turn separate higher level MIBs represent specific applications such as a terminal the Character MIB or a network connection the PPP MIB For the most part character ports are distinct from netwo...

Page 80: ... tables The tables contain objects for ports and sessions The MIB intentionally contains no distinction between what is often called permanent and operational or volatile data bases For the purposes of this MIB handling of such distinctions is implementation specific Slot Table The slot table is the repository of all the information necessary for the management station to understand the topology o...

Page 81: ...value not initialized dh90SlotIfBase Calculated based on current community contents dh90SlotIfNumber Derived from module ID dh90SlotPhysicalAddress Defaults to null needed for DECbridge 90 and DECserver 90L dh90SlotPortNumber Derived from module ID dh90SlotPassword Defaults to null dh90SlotNewPassword No value dh90SlotPolling Defaults to on dh90SlotPrimarySpecific Derived from module ID dh90SlotSe...

Page 82: ...nly Password used to enable management mode on the server Dh90SlotNewPassword Write only Setting this variable causes the agent to set a new password on the terminal server using the TSNewPassword value as the new password and TSPassword as the old password Power on the terminal server must be cycled within a minute for the change to take effect Dh90SlotPolling Read write The current polling statu...

Page 83: ...ught of as a password There are two strings associated with a given community the read only string and the read write string For a GET or a GET NEXT operation the agent will accept either the read only or the read write string However for a SET operation the agent will accept only the read write string An SNMP proxy agent such as the DECagent 90 can translate from SNMP to the native protocol under...

Page 84: ...ings The default community created for a type of DEChub 90 will have 8 slots This can be changed to a double hub by setting the MIB object dh90NumberSlots to 16 When the DECagent 90 is first installed SETs are enabled They must be disabled at the console if you do not wish to allow modification through SNMP At least one community will always exist in a DECagent 90 that is the community of which th...

Page 85: ...407 42 DECconnect System Planning and Configuration Guide EK DECSY CG DECbridge 90 Owner s Manual EK DEWGB OM DECrepeater 90C Owner s Manual EK DECMR OM DECrepeater 90T Owner s Manual EK DETMR OM DECserver 90L Owner s Manual EK DSRVD OM DECserver 90L Owner s Manual EK DSRVG OM HUBwatch for DECmcc MSU User Information EK 479AA UI HUBwatch for DECmcc MSU DECbridge 90 Management EK 480AA UI HUBwatch ...

Page 86: ... call 800 DIGITAL 800 344 4825 and ask for an Electronic Store specialist Telephone or Direct Mail Orders If You Are From Call Or Write U S A DECdirect Phone 800 DIGITAL 800 344 4825 FAX 603 884 5597 Digital Equipment Corporation P O Box CS2008 Nashua NH 03061 Puerto Rico Phone 809 781 0505 FAX 809 749 8377 Digital Equipment Caribbean Inc 3 Digital Plaza 1st Street Suite 200 Metro Office Park San ...

Page 87: ...08 874 3023 Software Supply Business Digital Equipment Corporation 1 Digital Drive Westminster MA 01473 Hardware documentation DTN 234 4325 508 351 4325 FAX 508 351 4467 Publishing Circulation Services Digital Equipment Corporation NRO2 2 I5 444 Whitney Street Northboro MA 01532 1Call to request an Internal Software Order Form EN 01740 07 Documentation and Ordering Information D 3 ...

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Page 89: ...Connector backplane 1 5 network BNC 1 5 power 1 5 Console interface using the 4 1 Console management 4 1 Console messages B 1 error B 5 informational B 1 Conventions console interface 4 1 Counters 4 18 MOP V3 4 19 MOP V4 4 19 Cover 1 5 CSMA CD 1 1 D DC OK display 1 5 DECagent 90 input current A 3 input voltage A 3 DEChub 90 1 1 Depth A 1 Description 1 1 Dew point A 2 Dimensions physical A 1 Displa...

Page 90: ...e 4 17 MIB C 2 bridge C 2 character C 5 ITEF C 2 RS 232 like C 4 N Network activity display 1 5 Network connector BNC 1 5 Networks CSMA CD 1 1 IEEE 802 3 1 1 O Operating altitude A 2 dew point A 2 environment A 2 relative humidity A 2 temperature A 2 temperature change A 2 Options ordering D 2 P Passwords 3 1 Physical dimensions A 1 Pin out DB25 A 3 RS 232 A 3 Power 120 Vac 1 3 240 Vac 1 3 Power c...

Page 91: ...ory 4 20 terminal 3 3 Shipping altitude A 2 environment A 2 relative humidity A 2 temperature A 2 Slot table C 6 Specifications environmental A 2 power supply A 3 Standalone installation 2 5 to 2 8 System upgrade 4 21 T Temperature A 2 maximum rate of change A 2 Trap PDU 4 26 Troubleshooting 5 4 DECagent 90 in DEChub 90 backplane 5 3 standalone DECagent 90 5 2 U Upgrading the DECagent 90 4 21 W Wa...

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