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NN10265-111   MCS 5100 3.5   Standard  4.0 January 2006

114

Copyright © Nortel Networks Limited 2006

Basic call with firewalls

Figure 54,  Basic call flow using the RTP Media Portal (with obscured 
endpoints), on page 114

 shows the basic call flow for a client-to-client 

call using an RTP Media Portal with Address and Port Discovery (APD) 
functions enabled to facilitate firewall/NAPT traversal requirements.

Figure 54 Basic call flow using the RTP Media Portal (with obscured endpoints)

SIP

Module

Application

 

Client A

Client B

2. Resource request for B

3. Response with A’

1. Invite (SDP of B)

11. BYE

RTP

Portal

Media

 

4. Invite (SDP of A’)

5. Answer (SDP of B)

6. Resource request for A

9. First media packet 

13. Delete resource A’

15. Resource deleted

Firewall/NAT A

14. Delete resource B’

Firewall/NAT B

8. Answer 

10. First media packet 

12. BYE

7. Response with B’

Media Path established between A and B 

Connect new resource to A’

16. Resource deleted

from A to B’

from B to A’

(SDP of B’)

Содержание NN10265-111

Страница 1: ...NN10265 111 Multimedia Communication Portfolio Multimedia Communication Server RTP Media Portal Basics MCS 5100 3 5 Standard 4 0 January 2006...

Страница 2: ......

Страница 3: ...cumentation and software for MCS 5100 click one of the following links Link to Takes you directly to the Latest Software Nortel page for MCS 5100 software located at www130 nortelnetworks com cgi bin...

Страница 4: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 Copyright Nortel Networks Limited 2006...

Страница 5: ...cumentation and product bulletins search the Technical Support Web site and the Nortel Knowledge Base for answers to technical issues sign up for automatic notification of new software and documentati...

Страница 6: ...can use an Express Routing Code ERC to quickly route your call to a specialist in your Nortel product or service To locate the ERC for your product or service go to www nortel com erc Getting help th...

Страница 7: ...f the RTP Media Portal is to extend the reach of multimedia services so that they are accessible to obscured endpoints devices residing behind a firewall or a Network Address Translation NAT and or Ne...

Страница 8: ...k component topology Hardware The RTP Media Portal resides on a Motorola CPX8216T platform a 16 slot CompactPCI cPCI chassis design The chassis offers a High Availability platform that provides the ba...

Страница 9: ...ain and half shelf An RTP Media Portal occupies a single logical operational Domain in the CPX8216T A single CPX8216T chassis can host two RTP Media Portal components one in chassis Domain A the other...

Страница 10: ...tworks Limited 2006 to left 1 16 A front view of the CPX8216T is shown in Figure 3 Motorola chassis CPX8216T front view on page 10 Figure 3 Motorola chassis CPX8216T front view A rear view of the CPX8...

Страница 11: ...a dedicated host card with an associated transition module in the rear a slot dedicated to the Motorola Hot Swap Controller HSC and the remaining six slots which may be populated with Media Blades med...

Страница 12: ...istributed across the hardware platform The RTP Media Portal servers and components must be configured and provisioned under the same site as the management server even if deployed from a remote locat...

Страница 13: ...ditional information please refer to MCS 5100System Management Console User Guide NN10273 111 Interfaces Protocols While in service the RTP Media Portal interfaces with the network through the followi...

Страница 14: ...e dual network deployment The Host CPU interacts with the management infrastructure to provide OAM capabilities The Host CPU also provides the control capabilities MPCP through which a call controller...

Страница 15: ...terminal server and local monitor Two Ethernet ports which provide connectivity to the Protected MCS Network The connection carries control and OAM data The Ethernet 1 port is used to provide an acti...

Страница 16: ...inistration and maintenance OAM data to the Management Module over TCP Internal communications between Host and Media Blades Media blades Network interfaces on each of the Media Blades MCPN765 in the...

Страница 17: ...tected MCS Network and Public Network Figure 9 Media stream interface MCPN765 Media Blade to RTP Media Portal A Media Blade in the RTP Media Portal consists of the following input output cards MCPN765...

Страница 18: ...en end points An array of NAT and or NAPT functions The NET ports are used as following In a single network deployment only the NET2 port is used In dual network deployment NET2 is used for connectivi...

Страница 19: ...to the RTP Media Portal are performed through the System Management Console Please refer to MCS 5100 System Management Console User Guide NN10273 111 for more information Operations administration an...

Страница 20: ...pdates administrators may decide to either upgrade the RTP Media Portal component to the latest maintenance release or downgrade the RTP Media Portal component to a previous maintenance release To upg...

Страница 21: ...omponent on page 23 Shut down the RTP Media Portal component The following procedure describes how to shutdown the RTP Media Portal component To perform these procedures the administrator must login t...

Страница 22: ...n 3 A confirmation window appears Click on the Yes button to continue Figure 11 RTP Portal Shutdown confirmation 4 The RTP Media Portal component shuts down gracefully and eventually goes into a LOCKE...

Страница 23: ...work components must be performed in a specific order Please refer to MCS 5100Basics NN10270 100 for further information From the System Management Console 1 In the System tree right click on the RTP...

Страница 24: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 24 Copyright Nortel Networks Limited 2006 Figure 13 Update from the Configuration menu...

Страница 25: ...RTP Media Portal Click on the Apply button 5 The System Management Console displays the RTP Media Portal configuration window If required modify any configuration properties For a description of thes...

Страница 26: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 26 Copyright Nortel Networks Limited 2006...

Страница 27: ...ormed when upgrading to a full release Tools and utilities Upgrades to the RTP Media Portal are partially performed through the System Management Console Please refer to MCS 5100System Management Cons...

Страница 28: ...ates during low traffic periods to minimize reduced capacity Upgrade tasks This section provides instruction for a full release RTP Media Portal upgrade From the System Management Console and terminal...

Страница 29: ...31 Shutdown the target RTP Media Portal component The following procedure describes how to shutdown the target RTP Media Portal component From the System Management Console 1 In the System tree right...

Страница 30: ...m tree right click on the target RTP Media Portal component 2 From the pop up menu select the Delete command This command removes the previous load preventing problems that might occur if an older bui...

Страница 31: ...e CD ROM 10 Repeat step 2 through step 9 for each upgrade CD 11 Reboot the RTP Media Portal reboot Enter Deploy the RTP Media Portal component This section provides instruction to deploy the upgraded...

Страница 32: ...0265 111 MCS 5100 3 5 Standard 4 0 January 2006 32 Copyright Nortel Networks Limited 2006 Figure 17 Add from the pop up menu Note you may also launch the add command from the pull down Configuration m...

Страница 33: ...r Add Component is selected you must wait for the load list to retrieve 3 The Load List window appears with all available component loads except for those components already deployed to the server Fig...

Страница 34: ...g the RTP Media Portal component on page 43 6 After entering the appropriate configuration information enter a label six characters or less in the Service Component Name field This label is the compon...

Страница 35: ...900 Fault tolerance The RTP Media Portal provides base capabilities that significantly improve the performance and reliability of the system in the event of a fault These capabilities include Dynamic...

Страница 36: ...ortal host card so that if there is a network issue that affects one of the connections then the other connection will assume activity This functionality enables the RTP Media Portal to maintain contr...

Страница 37: ...nagement Console 1 In the System tree select the appropriate RTP Media Portal component 2 The General Information Area GIA pane displays general information state information and alarm information for...

Страница 38: ...Management Alarm and Log Reference NN10385 900 Clearing the RTP101 Alarm Blade out of service 1 Verify that you can log in to the media blade from the host card If successful the MCP Service Network c...

Страница 39: ...number of Media Blades in the system must be increased 3 If it is not possible to increase the number of ports or the number of Media Blades contact your next level of support Clearing the RTP105 Ala...

Страница 40: ...in size and prevents unbounded increases in the size of the Connection Map Report this log to your next level of support Connection Map Increase Capacity Failed RTP913 generated whenever a request for...

Страница 41: ...Console No action is required Unknown Proxy RTP921 generated whenever a request for service is made from an unknown proxy one which is not datafilled for this Media Portal No action is required Unabl...

Страница 42: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 42 Copyright Nortel Networks Limited 2006...

Страница 43: ...figuration of the RTP Media Portal is performed by the System Management Console and the Provisioning Client Please refer to MCS 5100 System Management Console User Guide NN10273 111 and Provisioning...

Страница 44: ...at the server on which the RTP Media Portal will be deployed has already been configured For example Figure 21 Add from the pop up menu on page 44 shows the RTP Media Portal component being deployed o...

Страница 45: ...ing 4 Select the desired software load version for the RTP Media Portal Click on the Apply button 5 You will be prompted to configure the RTP Media Portal For a description of these tabs and propertie...

Страница 46: ...for the RTP Media Portal component From the System Management Console 1 In the System tree find the appropriate RTP Media Portal component to be queried or modified 2 To query the configuration proper...

Страница 47: ...and its state is automatically transitioned to LOCKED once all existing in progress sessions are released b Once the RTP Media Portal component is LOCKED right click the root level RTP Media Portal c...

Страница 48: ...le 1 System Output Manager tab configurable properties Configuration Property Format Description Send to File Type String Range Null 1 500 characters Default SystemOutLog Name of file that additional...

Страница 49: ...MCS 5100 RTP Media Portal Basics 49 Copyright Nortel Networks Limited 2006 Figure 27 RTP Media Portal tab 1 of 3...

Страница 50: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 50 Copyright Nortel Networks Limited 2006 Figure 28 RTP Media Portal tab 2 of 3...

Страница 51: ...2 RTP Media Portal tab configurable properties Sheet 1 of 8 Configuration property Format Description Call Legs Type String Range 4096 MaxInt Default 4096 Defines the bounds for internal data structu...

Страница 52: ...ia Portal It must match the associated setting on the SIP Application Module Note The use of the default value for this property is highly recommended Discovery Probe Time Period Type String Range 0 3...

Страница 53: ...lade is still up Note The use of the default value for this property is highly recommended Minor Port Usage Alarm Level Type Percent Range 0 100 Default 50 The percent usage at which the number of por...

Страница 54: ...Default 0 0 0 0 Used for the Media Blades not for the host card The Default Gateway is the gateway router to the rest of the world the default route Note If this value is not configured the RTP Media...

Страница 55: ...rtal resource may remain active in a media session This has units of number of Idle Session Audit Periods Static RTP Ports Type Boolean Range true false Default false Boolean indicating whether the RT...

Страница 56: ...ailover a carrier sense test and an optional network ping test Upon activation of Host IP failover the carrier sense test is automatically provided Enabling of the optional network test is controlled...

Страница 57: ...resource pool for each media blade The value is specified by System Engineering and based on call types and traffic patterns The default should change in accordance with the factors described above B...

Страница 58: ...ents are in the same Domain If set to true a RTP Media Portal is used when one or both clients in the same Domain are behind a Firewall LocationBasedInsertRules Type Boolean Range true false Default f...

Страница 59: ...ctional description The RTP Media Portal does not perform accounting management However an indication that an RTP Media Portal component was used during a session is provided in the accounting records...

Страница 60: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 60 Copyright Nortel Networks Limited 2006...

Страница 61: ...t Functional description RTP Media Portal performance is monitored through the System Management Console by viewing Operational Measurements OMs For more information on RTP Media Portal OMs and the vi...

Страница 62: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 62 Copyright Nortel Networks Limited 2006...

Страница 63: ...evel media layer security is achieved by the randomization of the IP addresses ports used for multimedia sessions and utilization of NAPT Network Address Port Translation technology to obscure the net...

Страница 64: ...RTP Media Portal uses the NAPT functionality to secure the multimedia sessions so that there is no leakage of topology information This is achieved by maintaining a list of media ports NAPT table whi...

Страница 65: ...ription Packets that do not have a matching source destination address are discarded and logged as potential problems The source destination ports match the expected source destination ports indicated...

Страница 66: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 66 Copyright Nortel Networks Limited 2006...

Страница 67: ...following prerequisites are required for a RTP Media Portal backup or restore Remote DDS4 tape drive The tape drive does not need to be within the MCP Service Network but it must be attached to a Sol...

Страница 68: ...s Enter Connect or remove the USB tape drive When connecting the tape drive use port 0 If connecting the tape drive type the command etc init d volmgt start and press Enter If connecting the tape driv...

Страница 69: ...c can affect the time required to complete the operation Remote tape drive set up A remote tape drive is required The following procedure outlines the steps necessary to properly set up the remote tap...

Страница 70: ...the tape drive of the server acting as backup host 2 Log in as sysadmin to the RTP Media Portal 3 Initiate the backup sudo usr local bin mcp_backup pl Tape_Server_IP Enter where Tape_Server_IP is the...

Страница 71: ...tore on page 78 Prepare system for restore The following provides instruction to prepare the system for rollback From the terminal server 1 From the terminal server prevent the console session from ti...

Страница 72: ...chnologies Ltd All Rights Reserved CPV5370 BIOS 1 0RM01 Copyright 2001 Motorola Inc Build Time 03 11 2001 17 58 18 CPU Intel R Mobile Pentium RO III processor 700 MHz 640K System RAM Passed Press F2 t...

Страница 73: ...root password rescue 12 Verify that access to the tape server has been set correctly rsh l sysadmin Tape_Server_IP df k Enter where Tape_Server_IP is the name of the remote tape server host Output ap...

Страница 74: ...Setup screen 2 Select the only highlighted hard disk present and select edit Command Description m Display a list of available commands n Create a new partition p Print the current partition table d D...

Страница 75: ...primary partition type p and press Enter then type 1 and press Enter Press Enter to accept the default beginning block and type 1000M and press Enter for the size Command m for help n Command action e...

Страница 76: ...sizeM or sizeK 1002 35242 default 35242 5000M 6 Create the third partition Type n and press Enter to create a partition To note the primary partition type p and press Enter Command m for help p Disk t...

Страница 77: ...swap 8 Create the fourth partition Type n and press Enter type e and press Enter then type 4 and press Enter Press Enter to accept the default beginning block then press Enter again to accept the defa...

Страница 78: ...27006 Last cylinder or size or sizeM or sizeK 27006 35242 default 35242 Enter 12 Type p and press Enter to view the final partition table Example output Disk tmp sda 64 heads 32 sectors 35242 cylinde...

Страница 79: ...ress of the network gateway for the subnet 5 Create a mountpoint for the root partition mkdir a Enter 6 Restore the boot partition mount dev sda1 a Enter cd a Enter restore rfv sysadmin tape_server_IP...

Страница 80: ...boot kernel lilo Enter 14 Reboot the RTP Media Portal by pressing the reset button on the front of the Host Card 15 While rebooting hold down the F2 key to enter BIOS to force the system to boot from...

Страница 81: ...7 47 47 dev rmt Ocn 1 Fri Feb 6 17 06 14 CST 2004 48 48 48 48 Connection timed out before Fri Feb 6 17 11 03 CST 2004 Connection to remote tape server is lost If a RTP Portal looses connection to the...

Страница 82: ...rted 19 29 15 19 29 15 An error occurred during one or more dump commands 19 29 15 DUMP Do you want to restart yes or no DUMP the ENTIRE dump is aborted 19 29 15 DO NOT USE THIS BACKUP a RESTORE USING...

Страница 83: ...cedures include instructions to replace the CPU host card and task processor Replacement of CPU host card If a CPV5370 fails calls in progress stay up but call control is lost Calls cannot be controll...

Страница 84: ...the MCPN765 Card From the terminal device 1 Change directory cd etc Enter 2 Edit the bladeEtherAddres file Change the MAC address for the 765 that was replaced The top of the file contains comments d...

Страница 85: ...for Domain B PIMC 0101 765 transition modules are installed in rear slots 1 6 for Domain A and slots 11 16 for Domain B CPV5370 host blades are installed in front slot 7 for Domain A and slot 9 for Do...

Страница 86: ...hard drive per domain minimum 40Gb One SCSI CD ROM per domain One 3 5 floppy drive per domain One Motorola CPX8216T HSC BR hot swap controller per domain Host Blade One Motorola CPV5370 per domain On...

Страница 87: ...deploy the RTP Media Portal in a single network config uration Single network deployment Single network configuration requires both the host and Media Blades of the Portal to be assigned the same subn...

Страница 88: ...rations the host is connected to the MCP Service Network The Media Card has one interface connected to the MCP Service Network NET2 and one to the other network NET1 either a public network or a subne...

Страница 89: ...etails the usage of the physical port for dual network deployment Failure to use the ports as described will result in a non operational RTP Media Portal Label BIOS device number Linux interface name...

Страница 90: ...Network Time Protocol on page 103 BIOS configuration of the CPV5370 Host Card This procedure provides instruction for BIOS settings While many of the factory default settings are acceptable a few req...

Страница 91: ...to PCI Configuration and press Enter 7 Verify or change the values on screen to match the values listed below Default Primary Video Adapter AGP On Card Ethernet 1 Enabled Ethernet 1 Connection Rear E...

Страница 92: ...ss 2F8 Interrupt IRQ 3 Baud Rate 9600 Console Type VT100 Flow Control None Screen Lines 25 Active After Post On 13 Press Esc twice to return to the Advanced menu 14 From the Boot menu move the cursor...

Страница 93: ...the operating system Red Hat 6 2 The installation script provides a graphic user interface GUI Use the Next or Done keys to move to the next screen the Tab key to move between items buttons the Space...

Страница 94: ...s Enter 4 Type in the mountpoints The highlighted line indicates the current cursor position Press Enter input the mountpoint in the text box and press Enter again Partition 1 mountpoint boot Enter Pa...

Страница 95: ...ad blocks option is NOT selected dev sda2 dev sda7 IMS dev sda1 boot dev sda6 usr dev sda5 var Press the Tab key twice to position the cursor on the OK button and press the Enter key Current Disk Part...

Страница 96: ...Ensure the User linear mode needed for some SCSI drives is selected 2 Type the boot arguments for LILO as follows console ttyS1 9600n8 Enter Choose Partitions to Format What partitions would you like...

Страница 97: ...are available If you enter nameserver addresses ENSURE THEY ARE CORRECT The RTP Media Portal will not function correctly if unreachable or otherwise incorrect nameserver IP addresses are used If you d...

Страница 98: ...settings screen 8 In the Time Zone Selection screen select the appropriate local time zone and select OK Network Configuration Use bootp dhcp IP address 47 47 47 48_________ Netmask 250 250 250 0____...

Страница 99: ...Create a nortel user account with password Retype the password for confirmation and select OK to continue Time Zone Selection What time zone are you located in Current time 13 12 56 CDT Hardware clock...

Страница 100: ...selected Select OK to continue Use Shadow Password Enable MD5 Password Enable NIM NIS Domain NIS Server Request server via broadcast or use Add User You should use a normal user account for most activ...

Страница 101: ...he installation CD from the CD ROM IMPORTANT Remove the CD before the POST boot sequence is complete otherwise the base installation script will begin again If this happens press the reset button on t...

Страница 102: ...necessary for the chassis number to be selected based on its use to create this address Timeserver IP address es is generally the service logical IP of the Management Server If there is an error in t...

Страница 103: ...y were not entered at install time for some reason From the terminal server 1 Establish a serial terminal connection to the Host CPU card and log in the system as root 2 Create a new ntp conf file in...

Страница 104: ...ule A serial cable is required to connect to the I O blade as a specialized serial cable will not work From a terminal device 1 Once the blade and transition module has been physically installed in th...

Страница 105: ...N N Auto Boot Scan Enable Y N Y Auto Boot Scan Device Type List FDISK CDROM TAPE HDISK Auto Boot Controller LUN 00 Auto Boot Device LUN 00 Auto Boot Partition Number 00 Auto Boot Abort Delay 7 Auto Bo...

Страница 106: ...n 8 At the prompt type niot to access the Network boot settings PPC6 Bug niot Controller LUN 00 13 Device LUN 00 Node Control Memory Address 03E1D8A0 Client IP Address 0 0 0 0 192 168 chassis slot Se...

Страница 107: ...e new I O cards in the system It is only necessary to change the entries for slots that contain a card If a slot is empty or contains something other than a card leave the corresponding entry as is vi...

Страница 108: ...e the RTP Media Portal to reboot and be out of service for approximately 15 20 minutes From the System Management Console 1 Expand the RTP Portal options right click on RTP Portal to select Shutdown F...

Страница 109: ...rtal options and right click on RTP Portal to select Modify From the RTP Media Portal tab to make the appropriate changes Figure 51 RTP Media Portal tab No further action is required and the final ste...

Страница 110: ...NN10265 111 MCS 5100 3 5 Standard 4 0 January 2006 110 Copyright Nortel Networks Limited 2006...

Страница 111: ...tocols are used to establish and manipulate media paths through the RTP Media Portal This enables the SIP Application Module to control the media plane throughout the life of a session Figure 52 Basic...

Страница 112: ...ic call flow for a client to client call using an RTP Media Portal without any firewall NAPT traversal requirements Figure 53 Basic call flow using the RTP Media Portal unobscured endpoints SIP Module...

Страница 113: ...t of Client B 6 The SIP Application Module requests resources to support the half call connection between Client A and the RTP Media Portal The address and port of Client A are included in the request...

Страница 114: ...raversal requirements Figure 54 Basic call flow using the RTP Media Portal with obscured endpoints SIP Module Application Client A Client B 2 Resource request for B 3 Response with A 1 Invite SDP of B...

Страница 115: ...of Client B However because Client B is obscured the actual media address the address from which media packets will be sent is not yet known 6 The SIP Application Module requests resources to support...

Страница 116: ...ckets sent by either endpoint are forwarded through the Portal to the other side of the call 11 Client B disconnects the call by sending a BYE message to SIP Application Module 12 SIP Application Modu...

Страница 117: ......

Страница 118: ...Nortel Networks reserves the right to make changes in design or components as progress in engineering and manufacturing may warrant Nortel Nortel logo and the Globemark are trademarks of Nortel Networ...

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