Home
Cisco MODEM MANAGEMENT TECHNOLOG
Contents
1. PBX Cisco CES Voice ATM Cisco 3640 Switch 3640 7a 00 3 ATM ATM WAN CES Voice S i E OC 3 ATM g ATM Switc IGX MGX Switch When colocated with an ATM WAN switch the Cisco 3600 with OC 3 ATM interfaces provides legacy and high speed LAN connectivity along with ISDN and hybrid dial access concentration Frame Relay PPP X25 or HDLC access VolP synchronous and asynchronous WAN aggregation ATM 25 or H SSI Copyright 1999 Cisco Systems Inc All Rights Reserved Page 4of 11 Figure 5 Campus ATM Edge Router Integration of Voice Dial and WAN Applications Ethernet ATM Switched Campus LAN with ATM uplink to Cisco 3600 Catalyst 5x00 Catalyst 85x0 Positioned on the edge of an ATM or Ethernet switched network the Cisco 3600 with high speed ATM provides the ability to support a wide range of voice and data connectivity options such as ISDN and hybrid dial access concentration Frame Relay PPP X25 or HDLC access VoIP voice over Frame Relay VoFR synchronous and asynchronous WAN aggregation ATM 25 or H SSI ATM Traffic Shaping Feature Traffic shaping is a function typically provided on ATM edge devices to ensure that bursty traffic conforms to predefined parameters Traffic shaping ensures that traffic from one VC does not adversely impact another resulting in data loss This function is very important when connecting to an ATM WAN or public ATM network especially when the ATM switch
2. Cisco 3600 Series OVERVIEW ATM OC 3 Network Modules Introduction In late 1996 Cisco Systems introduced the Cisco 3600 series family of modular cost effective and high performance dial access routers targeted at regional and branch office and small to medium sized Internet Service Providers ISPs O ver the next two years the Cisco 3600 series announced further extensions to the platform with support for Fast Ethernet voice fax over IP internal digital and analog modems high density asynchronous dial ATM 25 ADSL and High Speed Serial Interface H SSI adding multifunction capabilities to the initial dial access solutions N ow with the announcement of three new versions of ATM OC 3 network modules the Cisco 3600 series further expands its flexibility as a multifunctional branch office solution for service provider and enterprise customers T hese new modules add to the broad portfolio of Cisco ATM Customer Provided Equipment CPE and central office products that allow branch offices to take advantage of the higher bandwidth and quality of service Q oS available with ATM services High speed ATM access on the Cisco 3600 provides cost effective value added high speed managed router services to both enterprise and service provider customers Thenew ATM OC 3 network modules address the growing demand for improved ATM QoS features combined with the advanced Layer 3 class of service CoS capabilities provided by a ro
3. Description Two por FXO voice ax interface card VIC 2E M Two por E amp M voice fax interface card VIC 2FXO M 3 VIC 2FXO EU VIC 2BRI S T TE Two por Two por Two por voice inter voice inter voice inter ace card FXO for Australia ace card FXO for Europe ace card BRI terminal Table 8 Other Part Number Description PW R600 AC RPS NCAB 600W redundant power supply option requires Cisco 3600 RPS chassis NM COMPR Compression network module WAN Interface Cards WAN interface cards are available as daughter cards to the mixed media LAN WAN network modules Up to two WAN interfaces cards can be installed on a single mixed media LAN WAN network module The WAN interface cards are not included in the price of the mixed media network modules Part Number Description WIC 1T One port sync serial WIC 1DSU T1 One port sync serial with build in CSU DSU WIC 1DSU 56K4 One port four wire 56 kbps CSU DSU ISDN WIC WIC 1B S T One port ISDN BRI One port ISDN BRI with NT1 Copyright 1999 Cisco Systems Inc All Rights Reserved Page 10 of 11 Cisco SYSTEMS Corporate H eadquarters European H eadquarters Americas Asia H eadquarters Cisco Systems Inc Cisco Systems Europe s a rl H eadquarters Nihon Cisco Systems K K 170 West Tasman Drive Parc Evolic Batiment L1 L2 Cisco Systems Inc Fuji Building 9th Floor San J
4. Copyright 1999 Cisco Systems Inc All Rights Reserved Cisco SYSTEMS Page lof1l Features ata Glance e RFC 1483 support for multiple encapsulations over ATM e RFC 1577 support for routing over ATM e ATM service classes UBR UBR VBR rt VBR nrt ABR and CBR data only e ATM Forum UNI 3 0 UNI 3 1 and UNI 4 0 e AAL5 ATM adaptation layer e Up to 1024 simultaneous Virtual Circuits VCs e Layer 2 per VC queuing and traffic shaping e ATM PVCsand SVCs e Permanent Virtual Paths PVPs up to three e LANE 2 0 client and server F4 and F5 Operations and M aintenance OAM cell support e ABR SVCs e M POA client and server e Tag Switching M PLS when approved e IETF PPP over ATM e Next Hop Resolution Protocol N H RP ATM bandwidth resource manager e Interim Local M anagement Interface ILM 1 e ATM UNI 4 0 traffic management e Frame User to N etwork Interface FUN I ATM OC 3 Network Module Features and Benefits TheATM OC 3 network modules providesrobust ATM QoS capabilities of Layer 2 per VC queuing bandwidth management and robust ATM service categories such as UBR VBR rt VBR nrt and ABR With these new ATM service categories users have more flexible access to network resources and can achieve a compromise between performance and cost Additionally network operators are able to share network resources among different customers and fulfill their needs in a cost effective manner Users can no
5. M bps Figure 2 Directly Connected ATM WAN for Large Branch and Remote Office Applications Foxen Cisco seco EE LAN Based Video Ring r v yg ae Cisco 3620 Ring r A Branch Office Locations T1 E1 Cisco MC3810 gt Z E oem Cisco 4500 4700 Ring F r Corporate Headquarters LightStream 1010 DS3 OC 3 Campus WAN w 7200 7500 5 psgoc D i y gt Token Ring Copyright 1999 Cisco Systems Inc AIl Rights Reserved Page 30f 11 Figure 3 VoIP Video and Data Integration Over High Speed ATM PBX VBR rt SVC Support for VoIP and H 323 f h Remote Office or School i 3620 Lipnie 3640 LightStream Nae a GX MGX 1010 a 10 100BaseT 00 3 9 inn LAN Based Cy Video 10 100BaseT _ ATM LAN Public Private WAN Remote Office or School Cisco FY 3620 OC Cisco e 3640 g re Nex g IGX MGX OCS E 10 100BaseT u LAN oe J Z H 10 100BaseT E A j LAN LAN Based Video Currently up to 12 voice ports are supported on the Cisco 3640 with an OC 3 ATM configured network module Voice Fax over IP over ATM can be supported using VBR rt CoS SVCs for VolP and H 323 applications across the ATM WAN Figure 4 CES Data Voice and Video Integration with Colocated Cisco ATM Switches Sk 4b amet Cisco lt gt Video 3620 t E OC 3 ATM CES Voice f LightStream 1010 Switch Z PBX
6. ATM transport allows for application specific Q oS to be used especially important for the next generation of delay sensitive multimedia traffic The integration of VoIP over ATM and data applications over ATM is ideal for delivering low latency jitter free voice support due to ATM s support for high transmission speeds prioritization techniques and built in QoS features The combination of Layer 2 and Layer 3 QoS features with the Cisco 3600 series ATM OC 3 network modules allows service providers to effectively manage the bandwidth at the edges of the network while implementing value added Layer 3 services With advanced traffic shaping features and support for many ATM service classes including VBR rt VBR nrt and ABR theATM OC 3 network modules can be effectively deployed as ATM edge router devices in the service provider network The Cisco 3600 series with OC 3 ATM network modules can be used by service providers in a Tag Switching environment Tag Switching enables routers at the edge of a network to apply simple tags to packets while devices in the core of the network switch packets according to these tags Switches such as ATM switches or existing routers can perform Tag Switching in the core These systems will run Tag Switching software which communicates with tag routers on the edge using a Tag Distribution Protocol For multiservice networks Tag Switching enables a Cisco 3600 to provide ATM Frame Relay and IP Internet
7. Cisco Systems Inc in the U S and certain other countries All other trademarks mentioned in this document are the property of their respective owners 9901R 2 99 B amp W
8. I e Requires Plus feature sets of Cisco 10 S Release 12 0 3 T or above e Operates in conjunction with all currently available Cisco 3600 network modules and WAN interface cards WICs Physical Characteristics e OneOC 3c STM 1 SC type connector per network module e Support SDH G 707 and G 708 specifications e 4 LEDs including Enabled N etwork module is seated correctly and is communicating to the bus RCLK Carrier detect FERF Far end Rx failure OOF Out of frame error condition AlS Alarm indication e Maximum distance support of 2 km for M ultimode 15 km for single mode Intermediate reach and 45 km for single mode long reach versions ATM Standards Supported e M ultiprotocol encapsulation with support for Logical Link Control Subnetwork Access Protocol LLC SN AP encapsulation and VC multiplexing Internet Engineering Task Force IETF RFC 1483 e Classical IP and Address Resolution Protocol ARP over ATM client and ARP server IETF RFC 1577 IETF RFC 1755 IETF RFC 1626 e M POA for IP N ovell IPX DECnet AppleTalk Phases 1 and 2 Connectionless N etwork Service CLN S X erox N etwork Systems X NS and Banyan VINES via IETF RFC 1483 e ATM Forum LAN Emulation LAN E including LEC BUS LES and LECS e IETF PPP over ATM MPOA e Tag Switching M PLS when approved ATM Services e ATM Forum UNI 3 0 3 1 and 4 0 signaling for point to point and point to multipoint virtual circuits e ATM Forum U
9. NI 4 0 signaling for ABR SVCs e ATM Forum ILM I for address prefix acquisition and ATM service address registration with UN l compliant switches throughout the ATM network e ATM network service access point N SAP E 164 address support e F4 virtual path and F5 virtual connection OAM cell segment and end to end flows remote deflect identification RDI and alarm indication signal AIS Network Management e The ATM OC 3 network modules will support the following M anagement Information Buses M IBs MIB II Synchronous Optical N etwork SO N ET MIB ATM MIB ATM ILMI MIB LANE MIB RFC 406 1595 1695 and 2233 e CiscoWorks2000 and CiscoWorks network management integration e Enhanced setup configuration e Text based command line interface CLI Positioning A maximum of one ATM OC 3 network module is recommended on both the Cisco 3640 and 3620 The Cisco 3620 and 3640 will not support full 155 M bps OC 3 line rates The actual maximum supported speed ranges between 20 and 80 M bps depending on packet size Layer 2 traffic shaping bandwidth management and improved ATM CoS features including UBR UBR VBR rt VBR nrt CBR and ABR of theOC 3 ATM network modules on the Cisco 3600 series make it an ideal choice for service providers who want to provide differentiated end to end solutions that combine the performance and traffic management benefits of Layer 2 switching with the intelligence scalability and functiona
10. One port high density serial interface network module 16A 16 port high density async network module 32 port high density async network module Four port serial network module Four port async sync serial network module Eight port async sync serial network module Table 5 LAN Network M odules and M ixed M edia LAN WAN Network M odules Network Module Description NM 1FE FX One port Fast Ethernet network module 10 100B aseFX only 1FE TX One port Fast Ethernet network module 10 100B aseTX only Four port Ethernet network module Flash Memory 4MB upgradable to 32 MB 4MB upgradable to 32 MB System Memory Netw ork Module Slots Power Dimensions Performance 32 MB DRAM upgradable to 128 MB DRAM 4slots AC DC Redundant Power Option 3 44 x 17 5 x 15 75 in H x W xD 50 to 70 Kpps 32 MB DRAM upgradable to 64 MB DRAM 2 slots AC DC Redundant Power Option 1 69 x 17 5 x 14 25 in H x W xD 20 to 40 Kpps Console and Auxiliary Ports up to 115 2 kbps Rack and Wall Mounting Dual Type II PCMCIA Card Slots e The Cisco 3600 Network Modules Table 4 Cisco 3600 Series Network M odules Network Module NM 1A 0C3M M Description Yes Yes Yes Yes Yes Yes One port 155 M bps multimode OC 3 ATM network module 1E2W 2E2W 1E1R2W One port Ethernet network module One port Ethernet 2 WAN card slot network module Two port Eth
11. ed to 37 Kbps Copyright 1999 Cisco Systems Inc All Rights Reserved Page 5of 11 Advanced Bandwidth Management Feature Advanced bandwidth management mechanisms in the ATM OC 3 network modules architecture allow for the support of bursty client server traffic while supporting applications that require guaranteed or best effort service The ATM OC 3 network modules bandwidth management capabilities exceed those of existing ATM interface in midrange routers This new feature provides the ability to keep track of the bandwidth used by a VC on a per interface basis It prevents the oversubscription of the ATM link and is configurable by the user Bandwidth M anager for CBR is turned on automatically for all interfaces supporting CBR All other ATM service categories need to be manually configured The total bandwidth allocated on the interface is tracked by aggregating the values specified below for each VC Whenever a new VC is requested the requested rate is checked against the available rate to ensure the available bandwidth is not exceeded ATM Layer Management Operations and management O AM cells are used for ATM layer end to end link management messages T his is necessary to ensure that the remote connection is alive and functioning Support is provided for both OAM F4 and F5 flows During segmentation the OAM cells have the highest priority and will be transmitted ahead of other queued up data During reassemb
12. ernet 2 WAN card slot network module One port Ethernet one port Token Ring 2 WAN card slot network module Table 6 ISDN and Channelized Serial Network M odules Netw ork Module 1CT1 1CT1 CSU Description One port channelized T1 One port channelized T1 ith CSU network module 2CT1 2CT1 CSU Two port channelized T1 Two port channelized T1 ISDN PRI with CSU network module 1CE1B One port channelized E1 ISDN PRI balanced network module 1CE1U Copyright 1999 Cisco Systems Inc All Rights Reserved Page 8 of 11 One port channelized E1 ISDN PRI unbalanced network module work module work module Table 6 ISDN and Channelized Serial Network M odules Continued Netw ork Module NM 2CE1B 2CE1U 1FE1CT1 1FE1CT1 CSU Description Two port channelized E1 network module Two port channelized E1 network One por channe ne por hanne module 10 100BaseTX E ized T1 10 100BaseTX E ized T1 with integ SDN PRI balanced herne ith one por hernet with one port rated CSU SDN PRI unbalanced 1FE2CT1 ne por hanne 10 100BaseTX E ized T1 hernet with two port 1FE2CT1 CSU ne por hanne 10 100BaseTX E ized T1 with integ hernet with two por rated CSUs 1FE1CE1B 1FE2CE1B 1FE1CE1U 1FE2CE1U nanne One por channe One por channe One por channe ne Po
13. es enable traffic policing that will discard all traffic that exceeds the predetermined contract at the ingress of the switch The OC 3 network modules support Layer 2 per VC queuing and implement traffic shaping functionality using UBR UBR VBR rt VBR nrt ABR or CBR ATM traffic classes Each of these service classes has a unique way to shape traffic to specific customer requirements For each PSTN Voice and Dial Se DH PBX ATM serviceclass theATM OC 3 network modules support highly configurable parameters peak cell rate PCR sustainable cell rate SCR maximum burst size M BS and minimum cell rate M CR These parameters can be defined based on the specific bandwidth requirements of an individual VC as needed for a specific application Supporting traffic shaping in the hardware means that there is no performance degradation when shaping is enabled The Layer 2 per VC queuing support for ATM traffic shaping has a simple mechanism in place that ensures that one or a few VCs do not consumeall the transmit resources on the router This is done by limiting the number of transmit buffers available on a per connection basis This prohibits a single VC or VP from oversubscribing all the transmit resources of the interface The O C 3 network modules have only one transmit queue for all VCs The minimum configurable bandwidth is 64 Kbps Even though a contiguous range of bandwidth can be configured the granularity is limit
14. lity of Layer 3 routing The Cisco 3600 series ATM OC 3 network modules should be considered in situations where a multiservice platform with VoIP hybrid dial access with integrated modems or integrated DSU CSU functionality is required Copyright 1999 Cisco Systems Inc All Rights Reserved Page 7of 11 Summary The Cisco 3600 is a multifunction platform with the ability to support hybrid dial access LAN to LAN routing WAN aggregation multiservice functions and ATM connectivity in the same chassis Additional benefits include increased modularity scalability investment protection and flexibility With the addition of these three new ATM network modules to the Cisco 3600 series modular access routers companies can extend their investments in Cisco 3600 products and take advantage of the higher bandwidth and QoS features available with ATM services Appendix A Cisco 3600 Family Overview Network Module and WIC Summary The following tables detail the range of platforms and current network modules available in the Cisco 3600 series Table 3 The Cisco 3600 Platforms Cisco 3640 Feature Cisco 3620 100 M Hz IDT R4700 RISC Processor Type 80 M Hz IDT R4700 RISC Netw ork Module Description NM 1A OC3SM One port 155 M bps single mode intermediate reach netw ork module 1A 0C3SML One port 155 M bps single mode long reach network module 1ATM 25 One port ATM 25 M bps netw ork module 1HSSI
15. ly the OAM traffic will be routed to a global OAM receive buffer pool of 512 64 byte buffers Orderability Availability Software and Memory Requirements Table 2 ATM OC 3 Network M odules for Cisco 3600 Series Routers Part Number Descriptions NM 1A 0C3M M Single Port ATM OC 3c STM 1 Multimode Network Module Orderable Available Date 10S Requirement M arch 1999 12 0 3 T Plus feature sets NM 1A 0C3SMI Single Port ATM OC 3c STM 1 Single M ode Intermediate Reach Netw ork M odule M arch 1999 NM 1A OC3SMI Single Port ATM OC 3c STM 1 Single M ode Long Reach Network Module March 1999 12 0 3 T Plus feature sets 12 0 3 T Plus feature sets Note no additional DRAM memory is required to support the OC 3 ATM network modules other than Cisco 10 S Release 12 0 3 T Plus specified minimum memory requirements M ore detailed information of 12 0 3 T feature set memory requirements are available in the Cisco 3600 series 12 0 3 T Product Specific R elease N otes Copyright 1999 Cisco Systems Inc All Rights Reserved Page 6of 11 Technical Specifications ATM OC 3 Network Module System Requirements e Only supported on the Cisco 3600 series routers at this time e Not supported on the Cisco 2600 series e No slot placement restrictions on either platform e Maximum recommended on a single Cisco 3640 and Cisco 3620 is one e M ax two high speed network modules in a Cisco 3640 includes Fast Ethernet ATM H SS
16. ose CA 95134 1706 16 Avenue du Quebec 170 West Tasman Drive 3 2 3 M arunouchi USA Villebon BP 706 San Jose CA 95134 1706 Chiyoda ku Tokyo 100 http www cisco com 91961 Courtaboeuf C edex USA Japan Tel 408 526 4000 France http www cisco com http www cisco com 800 553 N ETS 6387 http www europe cisco com Tel 408 526 7660 Tel 8135219 6250 Fax 408 526 4100 Tel 33169186100 Fax 408 527 0883 Fax 8135219 6001 Fax 33 1 69 28 83 26 Cisco Systems has more than 200 offices in the following countries Addresses phone numbers and fax numbers are listed on the Cisco Connection Online Web site at http www cisco com offices Argentina Australia Austria Belgium Brazil e Canada Chile e China Colombia Costa Rica Croatia e Czech Republic Denmark Dubai UAE Finland France Germany Greece Hong Kong Hungary India Indonesia Ireland Israel Italy e Japan Korea Luxembourg Malaysia Mexico The Netherlands New Zealand Norway Peru Philippines Poland Portugal Puerto Rico Romania Russia Saudi Arabia Singapore Slovakia Slovenia South Africa Spain Sweden Switzerland Taiwan Thailand Turkey Ukraine United Kingdom United States Venezuela Copyright 1999 Cisco Systems Inc All rights reserved Printed in USA IGX IOS and M GX are trademarks and Catalyst Cisco Cisco IOS Cisco Systems the Cisco Systems logo and LightStream are registered trademarks of
17. rt 10 100BaseTX E ized El balanced 10 100BaseTX E ized El balanced 10 100BaseTX E i 10 100BaseTX E hernet with one por mode 120 ohm hernet with two por mode 120 ohm hernet with one por zed El unbalanced mode 75 ohm hernet with two por ized unbalanced mode 75 ohm NM 4B S T NM 8B S T NM 8AM Four port ISDN BRI network module Eight port analog modem network module NM 4B U Four port ISDN BRI with NT 1 network module Eight port ISDN BRI network module S T interface NM 16AM 16 port analog modem network module M MTL 3600 2600 8 Modem Management Technology License for 8 modems MMTL 3600 2600 16 N Modem Management Technology License for 16 modems i 12 digital modem network modules NM 8B U Eight port ISDN BRI with NT 1 network module U interface NM 6DM Six digital modem network modules 18 digital modem network modules 24 digital modem network modules N MICA 6M OD 30 digital modem network modules Six digital modem upgrade cards Table 7 Voice Network Modules and Voice Interface Cards VICs Part Number NM 1V Description One voice fax interface card slot network module NM 2V Two voice fax interface card slot network module VIC 2FXS Two port FXS voice fax interface card Copyright 1999 Cisco Systems Inc All Rights Reserved Page 9of 11 Part Number VIC 2FXO
18. service all on a single platform in a highly scalable way Supporting all of these services on a common platform provides operational cost savings and deployment ease to multiservice providers Copyright 1999 Cisco Systems Inc All Rights Reserved Page 2of11 Cisco IOS VPN features combined with traffic shaping features are key in ensuring that traffic from one customer does not impact traffic from another Lower operating costs are provided with the Cisco 3600 s central management capabilities The Cisco 3600 and its interfaces can be managed with CiscoWorks and CiscoWorks2000 N etwork M anagement In addition by providing support for ATM specific M IBs including RFC 1406 1595 1695 and 2233 network managers have control over network statistics and the ability to configure and tune the network for a central location Comprehensive debugging tools available in Cisco 1 OS can substantially reduce time and costs associated with ATM network problem isolation and correction Customer Applications The following diagrams describe four applications for deployment of high speed OC 3 ATM network modules for the Cisco 3600 series for integrated data voice and video for large branch office campus edge router VolP over ATM and co located router with ATM switch solutions TheOC 3 ATM network modules can be deployed in public or private ATM WANS to support transparent LAN services TLS where data rate requirements range between 10 and 80
19. uter Users now have the ability with the Cisco 3600 series to provide robust QoS mechanisms for prioritization of traffic from legacy and high speed LANs over an ATM network These new network modules allow the Cisco 3600 series to enter the high speed ATM access market by providing solutions that enableATM broadband services to fit into many companies communications budgets not just the very large corporations M anagers can now cost effectively terminate high speed ATM on the Cisco 3600 providing robust QoS features for applications at the branch office LAN such as videoconferencing distance learning video broadcast and voice fax over IP over ATM applications TheOC 3 ATM network modules developed for the Cisco 3600 modular access routers provides a single port SON ET and SDH based OC 3c STM 1 interface for worldwide use These modules are designed to support the convergence of data voice and video services that allow customers to migrate existing voice and video traffic onto a corporate data network for substantial cost savings Figure 1 Cisco 3600 Series ATM OC 3 Network M odules Table 1 These ATM Network M odules are Being Introduced ProductNumber Description NM 1A 0C3MM Single Port 155 M bps ATM OC 3 Multimode Network M odule NM 1A 0C3SMI Single Port 155 M bps ATM OC 3 Single M ode Intermediate Reach Network Module NM 1A OC3SML Single Port ATM 155 M bps OC 3 Single M ode Long Reach Network Module
20. w better optimize the application requirements as compared to thenetwork capabilities and can select a specific combination of traffic and performance parameters TheATM OC 3 network modules are ideal for connecting directly to ATM Wide Area N etwork WAN at large remote branch office sites to a central site via a public or privately owned ATM WAN or for connections to a colocated Cisco ATM switch to provide integrated Circuit Emulation Service CES data voice and video support Voice over IP VoIP over ATM applications is supported using the currently available voice fax network modules and associated voice interface cards Support is also provided for other advanced ATM Layer 2 features such as Internet Engineering Task Force IETF Point to Point Protocol PPP over ATM Tag Switching multiprotocol over ATM M POA and multilayer switching M LS enhancing ATM performance for enterprise and service providers TheseATM network modules also allow the Cisco 3600 series modular access routers to provide advanced Cisco 10 S features such as Committed Access Rate CAR RSVP Cisco Express Forwarding CEF and Cisco 10S Firewall Feature Set to provide the customer with end to end QoS The benefits of a high speed ATM connection from branch office to a regional or corporate headquarters include the transfer of high speed data and support for new multimedia applications including voice video and distance learning applications Using an
Download Pdf Manuals
Related Search
Related Contents
仕様書ダウンロード(PDF:87KB) Gloria+ - Caretech AB Kramer Electronics 903 Stereo Amplifier User Manual Copyright © All rights reserved.
Failed to retrieve file