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APPENDIX C: USING SNMP

EATON

Managed ePDU

User’s Guide

164201xxx Rev 1

DRAFT 10−OCT−2008

112

The SNMP MIBII sysLocation value in the

System Location

field.

The SNMP MIBII sysContact value in the

System Contact

field.

Click the link at the bottom of the page to download an SNMP MIB for your
ePDU to use with your SNMP manager.

Click

Apply

. The SNMP configuration is set.

Configuring Users for Encrypted SNMP v3

The SNMP v3 protocol allows for encrypted communication. To take advantage of
this, users need to have a Encryption Phrase, which acts as a shared secret between
them and the ePDU. This encryption phrase can be set in the User Management
page.

Choose

User Management

, then

Users & Groups

. The User Management page

displays.

Figure 99. User Management Page

Select the user profile you want to modify from the

Existing Users

list.

If you want to use the user’s password as their Encryption Phrase select the

Use

Password as Encryption Phrase

check box if it not already selected.

If you want to specify a different encryption phrase do the following:

Содержание Managed ePDU

Страница 1: ...Managed ePDU User s Guide...

Страница 2: ...on JavaScript is a trademark of Sun Microsystems Inc Mozilla and Firefox are registered tradmarks of Mozilla Foundation Netscape and Netscape Navigator are registered trademarks of Netscape Communicat...

Страница 3: ...radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Operation of this equipment in a residential en...

Страница 4: ......

Страница 5: ...eeper and a visual alarm blinking LED to indicate current overload Configurable alarm thresholds Support for SNMP v1 v2 and V3 The ability to send traps using SNMP protocol The ability to retrieve out...

Страница 6: ...g a User Profile 33 Deleting a User Profile 34 Setting User Permissions Individually 34 Setting Up User Groups 34 Creating a User Group 35 Setting System Permissions 36 Setting the Outlet Permissions...

Страница 7: ...mental Sensors and Thresholds 61 Viewing Sensor Readings 62 Setting Up Alerts 62 Configuring Alert Events 62 Creating Alert Policies 63 About Policies 64 Display Existing Policies 64 Create a Policy 6...

Страница 8: ...howing Outlet Information 92 Syntax 92 Attributes 92 Examples 92 Turning an Outlet On or Off 93 Syntax 93 Querying an Outlet Sensor 93 8 Using the IPMI Tool Set 95 Channel Commands 95 authcap channel...

Страница 9: ...ommand 103 Set Group Power On Delay Command 103 Get Group Power On Delay Command 103 Set Socket ACL 104 Get Socket ACL 104 Set Sensor Calibration 104 Test Actors 104 Test Sensors 105 Set Power Cycle D...

Страница 10: ...TABLE OF CONTENTS EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 vi...

Страница 11: ...current voltage power and temperature The ePDU offers the ability to recover systems remotely in the event of system failure and or system lockup It eliminates the need to perform manual intervention...

Страница 12: ...INTRODUCTION EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 2 Front Back Figure 2 1U Size Front Back Figure 3 2U Size...

Страница 13: ...visual alarm blinking LED to indicate current overload S Configurable alarm thresholds S Support for SNMP v1 v2 and V3 S The ability to send traps using SNMP protocol S The ability to retrieve outlet...

Страница 14: ...EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 4 2U Models S ePDU including power cord 1 80m 6 ft S 2U bracket pack and screws S Null modem cable with RJ 45 and DB 9F connectors...

Страница 15: ...tal shock hazard and possible damage to Eaton equipment Do not use a 2 wire power cord in any product configuration Test AC outlets at your computer and monitor for proper polarity and grounding Use o...

Страница 16: ...SAFETY WARNINGS EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 6...

Страница 17: ...he rack environment Mount equipment in the rack carefully to avoid uneven mechanical loading Connect equipment to the supply circuit carefully to avoid overloading circuits Ground all equipment proper...

Страница 18: ...through Figure 7 for other options Figure 5 Side Fixing Figure 6 End Fixing Figure 7 Blind Fixing NOTE For side and blind fixing S Do not repeatedly slide the bracket along the extrusion This may degr...

Страница 19: ...ssist in aligning the silver buttons properly when attaching the claw feet To mount 1 Snap fit the claw feet mounts onto the back of the ePDU Hook one side of the ePDU body into one side of a claw foo...

Страница 20: ...RACK MOUNTING THE EPDU EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 10...

Страница 21: ...h the number on the packing slip located on the outside of the box and make sure they match 3 Inspect the equipment carefully If any of the equipment is damaged or missing contact your Eaton service r...

Страница 22: ...uration is complete The computer must have a communications program such as HyperTerminalt Kermit or PuTTy You also need the null modem cable and connectors that were shipped with the ePDU 1 Take the...

Страница 23: ...communicate with your DHCP server and allocate an address If using DHCP then this finishes the installation Or Connect the serial configuration cable from the ePDU to the device and follow the below...

Страница 24: ...tion method is DHCP and the default IP address is replaced by the address assigned by DHCP or BOOTP or the static IP address you entered as soon as the configuration process is complete To use the fac...

Страница 25: ...want and press Enter You are prompted to select the duplex mode for the LAN interface See Figure 16 Figure 16 Duplex Mode Prompt By default the LAN interface duplex mode is set to Auto which allows t...

Страница 26: ...each piece of information When the information is correct type y and press Enter to complete the configuration and return to the opening prompt shown in Figure 12 on page 13 S If you want to terminat...

Страница 27: ...pplications S HyperTerminal is available on many of Windows operating systems But HyperTerminal is not available on the Windows Vista operating system S PuTTY is a free program you can download from t...

Страница 28: ...INSTALLATION AND CONFIGURATION EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 18 Reset Hole Figure 19 Reset Hole 1U and 2U Models Reset Hole Figure 20 Reset Hole 0U Models...

Страница 29: ...em cable that was shipped with the ePDU connect the end with the RJ 45 connector to the port labeled Serial on the front of the ePDU and connect the end with the DB 9F connector to the serial COM port...

Страница 30: ...ith all outlets powered ON Table 2 explains how to interpret the different LED states Table 2 LED Status LED State Outlet Status What it Means Not lit ePDU OFF The outlet is not connected to power or...

Страница 31: ...ss the upper row displays FuP to indicate that a Firmware Upgrade is being performed on the ePDU How to Operate the Display Panel S Use the Up and Down buttons to select an outlet Pressing the Up butt...

Страница 32: ...nd voltage readings as described above To reset the breakers in the event of an overload On the 1U and 2U models unclip the front molding to access the breaker s On the 0U model the breaker s can be a...

Страница 33: ...urity purposes Once you have logged in you can create user profiles for your other users These profiles define their login names and passwords See Creating a User Profile on page 32 Logging In To log...

Страница 34: ...example in Figure 23 shows 8 outlets If your ePDU has 20 outlets the Home page will show 20 See Outlets Display on Page 30 for a more information and pictures of both 8 and 20 outlet displays NOTE Ja...

Страница 35: ...rd in the Old Password field 3 Type your new password in the New Password and Confirm New Password fields Passwords are case sensitive so be sure to capitalize the same letters each time 4 Click Apply...

Страница 36: ...u Move your pointer to the option you want and click it to select it Navigation Path When you select an option from a menu and navigate to a specific page the system displays a navigation path across...

Страница 37: ...U including Model name and number IP address Firmware version S Information about all the users currently connected including User name IP address Current state Your current session is included in thi...

Страница 38: ...ration has completed successfully Figure 28 Status Messages Operation Successful Figure 29 shows two examples of status messages after an operation has completed unsuccessfully Figure 29 Status Messag...

Страница 39: ...ed for a while the information may become stale Click this button periodically to reload the page and update the information displayed Using the Home Page The Home page displays first after a successf...

Страница 40: ...power to it do the following 1 Click the On Off or Cycle in the outlet row You will be asked to confirm your action see Figure 33 Figure33 Confirmation Dialog Box 2 Click OK The outlet will then switc...

Страница 41: ...profile built in This is the admin profile which was used for the original login This profile has full system and outlet permissions and should be reserved for the system administrator This profile ca...

Страница 42: ...selection 2 Type the following information about the user in the corresponding fields in the User Management panel Fields Enter New User Name The name the user will enter to log into the Web interface...

Страница 43: ...exact same settings as an existing profile by using the copy function You can then modify the profile so that it differs as necessary from the original This is a quick and easy way to create user prof...

Страница 44: ...r No 4 When you are finished click Apply The permissions are applied to the user To set the user s outlet permissions 1 Select User Management and then select User Group Outlet Permissions to display...

Страница 45: ...select Users Groups to display the User Group Management page This page is divided into a User Management panel and a Group Management panel See Figure 36 shows the Group Management panel Figure 36 Us...

Страница 46: ...nagement and then select Users Group System Permissions The User Group System Permissions page displays see Figure 37 Figure 37 User Group System Permissions Page 2 Select the user group from the Grou...

Страница 47: ...user level this group will not be granted to perform power control Setting the Outlet Permissions Setting outlet permissions allows you to specify which outlets members of a user group are permitted...

Страница 48: ...he original This is a quick and easy way to create user groups To copy a user group 1 Select User Management and then select Users Groups The User Group Management page displays 2 Select the existing...

Страница 49: ...ings page displays The panel at the upper left is labeled HTTP Encryption See Figure 39 Figure 39 Security Settings Page HTTP Encryption Panel 2 Select the Force HTTPS for Web access check box 3 Click...

Страница 50: ...licy built in that accepts traffic from all IP addresses This means any IP addresses not dropped by a specific rule will be permitted to access the ePDU You can change the default policy to DROP in wh...

Страница 51: ...ings page displays The panel at the upper right is labeled IP Access Control This controls the firewall 2 Select the Enable IP Access Control check box if it is not already selected 3 Follow the steps...

Страница 52: ...e field 4 Click Delete The rule is removed from the IP Access Control panel 5 Click Apply The rule is deleted Creating Group Based Access Control Rules Group based access control rules are similar to...

Страница 53: ...m Access Control check box This enables the feature 3 Click Apply Group based access control rules are enabled Changing the Default Action The default action is shown in the Group Based System Access...

Страница 54: ...lick Append Do NOT enter a rule number This system automatically numbers the rule Insert a rule between two existing rules S Type the higher of the two rule numbers in the Rule field For example to in...

Страница 55: ...e how many times a user can attempt to log into the ePDU and fail authentication before the user s login is blocked To set up user blocking 1 Select Device Settings and then select Security The Securi...

Страница 56: ...nd then select Security The Security Settings page displays The Login Limitations panel controls this feature see Figure 44 Figure 44 Login Limitations Panel 2 To prevent more than one person from usi...

Страница 57: ...Security Settings page displays The Strong Passwords panel displays at the bottom of the page See Figure 45 Figure 45 Strong Passwords Panel 2 Select the Enable strong passwords check box to activate...

Страница 58: ...and submit it to a certificate authority CA Once the CA has processed the information in the CSR it will provide you with a certificate which you must install on the ePDU NOTE See Forcing HTTPS Encry...

Страница 59: ...iso3166ma 02iso 3166 code lists list en1 ht Email An email address where you or another administrative user can be reached Challenge Password The password that will be required to access the ePDU the...

Страница 60: ...Authentication For security purposes users attempting to log into the ePDU must be authenticated You can use the local database of user profiles in the ePDU or you can use the Lightweight Directory Ac...

Страница 61: ...3 Type the IP address of the LDAP server in the User LDAP Server field 4 To encrypt traffic to and from the LDAP server select the SSL Enabled check box NOTE The SSL port is enabled if only if the SS...

Страница 62: ...ectory in Step 6 enter the domain name in the Active Directory Domain field 10 Click Apply LDAP authentication is now in place Setting Up RADIUS Authentication To set up RADIUS authentication 1 Select...

Страница 63: ...col from the drop down list in the Global Authentication Type field Your choices are S PAP Password Authentication Protocol S CHAP Challenge Handshake Authentication Protocol CHAP is generally conside...

Страница 64: ...red on Setting an individual outlet startup state to something other than Device Default see Naming Outlets on page 57 overrides this default state for that outlet To set this default 1 Select Device...

Страница 65: ...in seconds it takes for the outlets to turn back on after they are shut down during the power cycle The default is 10 seconds NOTE The number you enter here applies to all outlets on the ePDU However...

Страница 66: ...ee Figure 52 To change the priority of an outlet select it from the list and click one of four options S First moves the outlet to the top of the list and makes it the first outlet to receive power S...

Страница 67: ...how setup of outlet list 3 Type a name for the outlet in the Outlet Name field It is a good idea to give the outlet an easily recognizable name that helps you identify the device connected to it You c...

Страница 68: ...The number you enter here determines the length of time in seconds it takes for the outlet to turn back on after is shut down during the power cycle If left blank this outlet will use the value set i...

Страница 69: ...Outlet Details The Outlet Details page displays see Figure 54 2 Select an outlet from the Show details of outlet list The outlet must be ON 3 Click Cycle The outlet turns OFF and then back ON NOTE Th...

Страница 70: ...connected to the ePDU they must be mapped to the unit s logical sensors before the ePDU recognizes and displays the readings from them To do this 1 Select Device Settings and then select Environmenta...

Страница 71: ...s more useful you should rename the logical sensors that are in use and configure their threshold settings Configuring thresholds for these sensors allows the ePDU to generate an alert whenever enviro...

Страница 72: ...g Up Alerts The ePDU can be configured to issue an alert whenever a threshold is crossed either for the ePDU as a whole or for a specific outlet The alert can be programmed to send an administrator an...

Страница 73: ...above a lower non critical one S If set to Assert Deassert this alert will trigger when a measured value crosses any threshold state 5 Select a policy from the Policy list 6 Click Add The alert is add...

Страница 74: ...Syslog policy They trigger entries in the event log but do not send email messages or traps Policies Red Syslog Destinations Event Log eMail SNMP Switch Outlets Events 1 2 3 4 5 Figure 59 Policies Dis...

Страница 75: ...Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 65 Create a Policy To create a policy 1 Select Alerts and then select Alert Policy Editor The Alert Policy Editor displays see Figure 61...

Страница 76: ...ify a policy 1 Select Alerts and then select Alert Policy Editor The Alert Policy Editor displays 2 Select the policy to be modified from the Existing Policies list 3 Make any necessary changes to the...

Страница 77: ...age 80 for details 2 Select the destination from the drop down list in the Destination Type field Your choices are Event Log Switch Outlets eMail and SNMP 3 Do one of the following S Event Log This is...

Страница 78: ...system events and saves them in a local internal event log You can expand the scope of the logging to also capture events in the NFS SMTP and SNMP logs Configuring the Local Event Log To configure the...

Страница 79: ...n event types display in the Event Log Assignments panel to the right All are enabled by default To disable any of these event types clear the appropriate check boxes See Figure 64 Figure 64 Event Log...

Страница 80: ...each entry the event log shows S The date and time of the event S The type of event board message security host control or authentication S A brief description of the event For example for an authenti...

Страница 81: ...Enabled check box 3 Type the IP address of the NFS server in the NFS Server field 4 Type the name of the shared NFS directory in the NFS Share field 5 Type the name of the NFS log file in the NFS Log...

Страница 82: ...ck box 3 Type the receiver s email address in the Receiver Email Address field 4 By default when SMTP logging is enabled seven event types display in the Event Log Assignments panel to the right All a...

Страница 83: ...Log Settings page displays The Syslog Forwarding panel controls the forwarding of system logs see Figure 70 Figure 70 Syslog Logging Panel 2 Select the Enable Syslog Forwarding check box 3 Type an IP...

Страница 84: ...ts SMTP settings so it can send email messages when alerts are issued Displaying Basic Device Information 1 To display basic information about an ePDU select Maintenance and then select Device Informa...

Страница 85: ...ets mapped to the board Displaying Connected Users To display a list of users currently connected to the ePDU select Maintenance and then select Device Information The Device Information page displays...

Страница 86: ...ls If necessary you can modify any of these settings To do this 1 Select Device Settings and then select Network The Network Settings page displays The left side of the page consists of the Basic Netw...

Страница 87: ...s The Miscellaneous Network Settings panel on the top right contains the communications port and bandwidth settings See Figure 74 Figure 74 Miscellaneous Network Settings Panel 2 By default CLP Telnet...

Страница 88: ...shows the interface speed and duplex mode See Figure 75 Figure 75 LAN Interface Settings Panel 2 To change the interface speed select the speed you want from the LAN Interface Speed list Your choices...

Страница 89: ...fset list for example US Eastern Standard Time UTC 5 3 To set the date and time manually select the User Specified Time option then enter the date and time in the appropriate fields Use the yyyy mm dd...

Страница 90: ...ttings The SMTP Settings page displays see Figure 77 Figure 77 SMTP Settings Page 2 Type the IP address of the mail server in the SMTP Server field 3 Type an email address in the Sender Email Address...

Страница 91: ...tings Page 2 Select the Enable SNMP Agent check box to enable the ePDU to communicate with external SNMP managers A number of options will then become available 3 Select the Enable SNMP v1 v2c Protoco...

Страница 92: ...Reset Operations Page 2 Click Reset A Reset Confirmation page displays see Figure 80 Figure 80 Reset Confirmation Page 3 Click Really Reset to reboot ePDU If you change your mind click Cancel to term...

Страница 93: ...e the complete path to the firmware file in the Firmware File field or click Browse and select the file S Select the Firmware URL option and type the URL link in the Firmware URL field where the firmw...

Страница 94: ...uping provides a way to combine outlets from separate ePDUs into a single logical group allowing control from a single ePDU Grouped outlets that power on and off in unison are ideal for servers with p...

Страница 95: ...address 127 0 0 1 Grouping Outlets Together 1 Select Outlet Groups and then select Outlet Group Editor The Outlet Group Editor page displays Figure 86 2 Type a name for the outlet group in the Name f...

Страница 96: ...ays Figure 87 Outlet Groups List NOTE Only outlet groups created through this specific ePDU display in this Outlet Groups list Outlet groups created through another ePDU do not display here even if th...

Страница 97: ...emote the group from the outlet groups list Deleting Outlet Group Devices To delete a ePDU from outlet grouping when it is no longer available or in use 1 Select Outlet Groups and then select Outlet G...

Страница 98: ...USING THE WEB INTERFACE EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 88...

Страница 99: ...erminal is available on many of Windows operating systems but it is not available on Windows Vista PuTTY is a free program that you can download from the internet Please refer to PuTTY s documentation...

Страница 100: ...rs See Figure 89 Figure 89 Login Prompt 4 Type a login name and press Enter You are prompted to enter a password see Figure 90 Figure 90 Password Prompt 5 Type a password and press Enter The password...

Страница 101: ...e 92 Figure 92 Login Prompt 2 Type a login name and press Enter You are prompted to enter a password see Figure 93 Figure 93 Password Prompt 3 Type a password and press Enter The password is case sens...

Страница 102: ...of a number Attributes You can use the name and powerState attributes to filter the output of the show command The name attribute displays only the name of the outlet and the powerState attribute dis...

Страница 103: ...te attribute Figure 97 Example 3 powerState Attribute Turning an Outlet On or Off The set command turns an outlet on or off Syntax The following is the syntax for the set command clp set system1 outle...

Страница 104: ...USING THE CLP INTERFACE EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 94...

Страница 105: ...he ePDU using IPMI protocol through this tool An example at the Linux command shell is given as ipmitool I lan H 192 168 51 58 U admin a channel info Channel Commands authcap channel number max priv P...

Страница 106: ...Yes No Yes No Yes No Yes No Yes No Security Settings No Yes No Yes No Yes No Yes No Yes No Unit Reset No Yes No Yes No Yes No Yes No Yes No User Group Management No No No No Yes Yes User Group Permis...

Страница 107: ...currently supported values are S Temperature Upper Critical Going High S Voltage Threshold Lower Critical Going Low S Memory Correctable ECC Error Detected NOTE The event DIR Type field is encoded wi...

Страница 108: ...Sets the default gateway IP address defgw macaddr xx xx xx xx xx xx Sets the default gateway MAC address bakgw ipaddr x x x x Sets the backup gateway IP address bakgw macaddr xx xx xx xx xx xx Sets t...

Страница 109: ...t of privlist is as follows Each character represents a privilege level and the character position identifies the cipher suite number For example the first character represents cipher suite 1 cipher s...

Страница 110: ...nds You can use the OEM commands to manage and control the operation of the ePDU OEM Net fn is as defined below define IPMI_NETFN_OEM_PP0x3C Table 9 lists each OEM command and gives its ID The section...

Страница 111: ...command is used to switch on off individual sockets Request Data 1 Socket number 7 5 reserved 4 0 socket number 0 based highest valid number depends on device model 2 New state 7 5 reserved 0 1b powe...

Страница 112: ...Group number 7 5 reserved 4 0 group number valid numbers 0 23 2 New state 7 1 reserved 0 1b power on 0b power off Response Data 1 Completion Code Set Group Membership Command Request Data 1 Group numb...

Страница 113: ...longs to group 5 7 1b socket 23 belongs to group 0 1b socket 16 belongs to group Set Group Power On Delay Command Request Data 1 Group number 7 5 reserved 4 0 group number valid numbers 0 23 2 Delay i...

Страница 114: ...ge level depending on 6 Set Sensor Calibration Sensor calibration is only allowed for threshold based sensors that return a sensor reading byte with the Get Sensor Reading command Also not all thresho...

Страница 115: ...ot pressed 1b pressed 0 up button 0b not pressed 1b pressed Set Power Cycle Delay Command Request Data 1 Socket number 0xFF for the global unit delay 2 Delay seconds 1 255 for unit and socket 0 fallba...

Страница 116: ...USING THE IPMI TOOL SET EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 106...

Страница 117: ...PDU Series Serial Number ______________________________ Outlet 1 Outlet 2 Outlet 3 Model Serial Number Use Outlet 4 Outlet 5 Outlet 6 Model Serial Number Use Outlet 7 Outlet 8 Outlet 9 Model Serial Nu...

Страница 118: ...l Serial Number Use Types of adapters ____________________________________________________________________________________ Types of cables _____________________________________________________________...

Страница 119: ...y changed User successfully deleted User password successfully changed Group added successfully Group successfully changed Group successfully deleted Security Relevant User login failed User Activity...

Страница 120: ...APPENDIX B EVENT TYPES EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 110...

Страница 121: ...Settings and then select SNMP Settings The SNMP Settings page displays Figure 98 SNMP Settings Page 2 Select the Enable SNMP Agent check box to enable the ePDU to communicate with external SNMP manage...

Страница 122: ...rotocol allows for encrypted communication To take advantage of this users need to have a Encryption Phrase which acts as a shared secret between them and the ePDU This encryption phrase can be set in...

Страница 123: ...U to send SNMP traps 1 Choose Device Settings Event Log The Event Log Settings window opens The SNMP Logging panel controls the use of SNMP traps Figure 100 Event Log Settings 2 Click the SNMP Logging...

Страница 124: ...01xxx Rev 1 DRAFT 10 OCT 2008 114 Figure 101 Event Log Assignments Panel 7 Click Apply SNMP logging is configured NOTE Re download the ePDU MIB after updating the ePDU firmware This will ensure your S...

Страница 125: ...the beginning of the file listed under their parent group The objects then display again individually defined and described in detail Figure 102 MIB File For example the unitSensorsGroup section cont...

Страница 126: ...Pin No Signal Direction Description 1 DTR Output Reserved 2 GND Signal Ground 3 5V Power for CIM 4 RX Input Receive Data Data in 5 TX Output Transmit Data Data out 6 N C N C No Connection 7 GND Signal...

Страница 127: ...APPENDIX D SPECIFICATIONS EATON Managed ePDUt User s Guide S 164201xxx Rev 1 DRAFT 10 OCT 2008 118...

Страница 128: ......

Страница 129: ...164201xxx1 164201xxx 1...

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