Cisco Systems MGX-FRSM-2T3E3 manuale d’uso

CHAPTER Card and Service Configuration 6-1 6 Card and Ser vice Configuration This chapter describes how to conf igure the M GX 8850 cards and the services they support. Although the presumption for thi s chapter is that a plan exists for your network, it revie ws some of the information that supports net work planning. Ge neric instruction s for in[...]

Tasks for Configuring Cards and Services Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-2 PXM, the connections are global logical connections (GLCNs). By default, all resources on a a card or logical port are av ailable to any controller on a f irst-come, first-se rved basis. If necessary , you can modify[...]

Card and Service Configuration 6-3 Rules for Adding Connections Rules f or Adding a D AX Connection A D AX con is a connection whose endpoints for the entire connection e xist on the sam e switch. The following apply to the MGX 8850 switch: 1 On a feeder , a D AX con can exist between dif ferent service modules or the same service module. 2 A stand[...]

Tasks for Configuring Cards and Services Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-4 Rules f or Adding Management Connections This section describes the requirements for addi ng an inban d A TM PVC for managing an MGX 8850 stand-alone node. A management connection lets a workstation co nnected throug[...]

Card and Service Configuration 6-5 The Processor Switching Module The Pr ocessor Switching Module This section first describes ho w to activ ate and conf igure the card-lev el parameters, lines, and ports on the PXM uplink card then describes how to add connections to th e PXM in a stand-alone node. The descriptions tell you how to: • Optionally [...]

The Processor Switching Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-6 Configuring Card-Lev el P arameters, Lines , and P or ts This section describes how to conf igure card-level features, acti vate a physical line, and configure logical elements such as a port. If necessary , refer to the secti[...]

Card and Service Configuration 6-7 Automatic Protection Switching on the PXM Using an example of 100% of the bandwidth on one logical port 1: addport 1 1 100 1 200 where the firs t “1” is the logi cal port number; the second “1 ” is the line number on the PXM back card to which you are assigning this logical port number; “100 ” is the p[...]

The Processor Switching Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-8 Initial APS specifi cati on consists of the working and pr otection slot and line and the mode for APS. After the initial APS specification, you can configure additional APS para meters, giv e commands for switching lines, and[...]

Card and Service Configuration 6-9 Adding Connecti ons on a PXM in a Stand-Alone Node Adding Connections on a PXM in a Stand-Alone Node This section describes the CLI commands for prov isionin g connections on a PXM in a stand-alone node. Connection addition abides by the rules for a standard connection or a management connect ion in the form of ei[...]

The Processor Switching Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-10 Step 3 As needed, specify usage parameter control according to the connec tion type. Use either cnfupccbr , cnfupcvbr , cnfupcabr , or cnfupcubr . The following text lists the parameters for each. Note that the parameters for[...]

Card and Service Configuration 6-11 Adding Connecti ons on a PXM in a Stand-Alone Node T able 6-1 P olicing Definitions Accor ding to P olicing and Connection T ype P olicing b y Connection T ype AT M F o r u m T M spec. 4.0 conformance definition PCR Flow (1st leaky buck et ) CLP tagging (for PCR flow) SCR Flow (2nd leaky buck et ) CLP tagging (fo[...]

ATM Universal Servic e Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-12 A TM Universal Service Module The eight-port A TM Uni versal Service Module (MGX-A USM/B -8T1 and MGX-A USM/B-E1) is a multipurpose card set with eight T1 or E1 lines that support: • A TM UNI with high port-density for the C[...]

Card and Service Configuration 6-13 Using the CLI to Configure the Card, Li nes, and Ports On the CLI of the A USM/B: Step 1 If necessary , modify the resource partitio ning for the whole card by e xecuting the cnfcdrscprtn command. Y ou can vie w resource partitioning th rough dspcdrscprtn . cnfcdrscprtn < number_P AR_conns | numb er_PNNI_conns[...]

ATM Universal Servic e Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-14 cnfportrscprtn < port_n um > < contr oller > < ingr ess_%BW > < e gr ess_%BW > < number_of_cons > < VPImin/VPImax > [ VCImin/VCI max ] • port_num is the port number in the range 1–8. •[...]

Card and Service Configuration 6-15 Adding and Con figuring Connection s on the AUSM/B On the CLI of the A USM/B: Step 1 Execute the addcon command. When you add a connection with addcon , the system automatically assigns the next av ailable channel number , so addcon does not require it. Howe ver , some related commands require a channel number—[...]

ATM Universal Servic e Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-16 cnfupcvbr has the same syntax and parameters as cnfupcabr cnfupcvbr or cnfupcabr < port.vpi.vci > < enable > < pcr [0+1]> < cdvt [0+1]> < scr > < scr_police > < mbs > < IngPcUtil &g[...]

Card and Service Configuration 6-17 Adding and Con figuring Connection s on the AUSM/B cnfupcubr < port.vpi.vci > < en able > < pcr [0+1]> < cd vt [0+1]> < IngPc > < util > < clp_tag > Step 3 If the system has the ForeSight feature, use cnfcha nfst to configure it. cnfchanfst < port.vpi.vci > < ena[...]

ATM Universal Servic e Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-18 Step 4 If necessary , change the queue depths by using cnfc hanq . cnfchanq < port.vpi.vci > < discar d_option > < vc_q_depth > < clp_thr esh_high > < clp_thr esh_low | epd_threshold > < efci_t[...]

Card and Service Configuration 6-19 Frame Service Module Features Frame Service Module Features This section describes the features av ailable on each of the Fram e Service Modules (FRSMs). For descriptions of how to set up these cards and add connections, see the subsequent section titled “Configuring Frame Relay Service. ” This section consis[...]

Frame Service Module Features Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Numb er 78-6186-02 6-20 F our-P or t Unchanneliz ed F rame Ser vice Module f or V .35 The MGX-FRSM-HS1/B provides unchannelized Fram e Relay service across four V .35 lines. The maximum through put for the card is 16 Mbps. The maximum rate on a line [...]

Card and Service Configuration 6-21 Frame Service Module Features • Standards-based management tools. Each FRSM supports SNMP , TFTP for configuration and statistics collection, and a command line in terface. The Cisco W AN Manager application provides full graphical user interface support for connection management. The CiscoV iew application pro[...]

Frame Service Module Features Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Numb er 78-6186-02 6-22 MGX-FRSM-HS2/B F eatures The specific features are: • Up to 1000 user-connections • Maximum 2 logical ports • T wo HSSI lines with configurable line speeds in multiples of 56 Kbps or 64 Kbps • Selectable DTE or DCE mod[...]

Card and Service Configuration 6-23 Description of Connection Types on the FRSM Description of Connection T ypes on the FRSM The following sections describe NIW , SIW , FUNI, an d frame forwarding. T opi cs include translation and congestion management. F rame Rela y-to-A TM Network Interworking FR-A TM network interworking (NIW) support s a perman[...]

Description of Connecti on Types on the FRSM Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-24 PVC Status Management The management of A TM layer and FR PVC status management can operate independen tly . The PVC status from the A TM layer is used when determining the status of th e FR PVC. Howe ver , no d[...]

Card and Service Configuration 6-25 Frame Relay-to-ATM Service Interworking • CLP is always 1. In the A TM-to-Frame Relay direction, you can specify a CLP-to-DE mapping scheme for an indi vidual connect ion: • If one or more A TM cells belonging to a frame ha s CLP=1, the DE field of the Frame Relay frame is set. • DE is always 0. • DE is a[...]

Description of Connecti on Types on the FRSM Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-26 Command and Response Mapping The FRSM provides command and response mapping in both directions: • In the Frame Relay-to-A TM direction, the FRSM maps the C/R bit of the recei ved Frame Relay frame to the CPCS-[...]

Card and Service Configuration 6-27 Configuring Fra me Relay Service Configuring Frame Rela y Service This section first describes how to configure the FR SM card, lines, and ports, then describes ho w to add connections. The descriptions are for the CLI execution of the ta sks. Y ou can also configure the FRSM card, lines, and ports by using the C[...]

Configuring Frame Relay Service Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-28 T able 6-2 Supported Lines rates on the MGX-FRSM- HS1/B The possible errors for cnfln are: • One or more parameters are in valid. • Line does not e xist (h as not been added). • Loopback or BER T is on. • An activ e [...]

Card and Service Configuration 6-29 Configuring th e FRSM Cards, Line s, and Ports • line_num is the DS1 number in the range 1–56 to which you assign th e DS0 when both lines are acti ve. If you acti vate only one line, the range is 1–28. Y ou can assign up to 24 contiguo us DS0s to one D S1. Each physical line support s up to 28 DS1s. The nu[...]

Configuring Frame Relay Service Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-30 • lmi_sig specif ies the LMI signaling. 1 =Other , 2=None, 3=StrataLMI, 4=AnnexA UNI, 5=AnnexDUNI, 6=AnnexANNI, 7=A nnexDNNI LMI signalling, N=none, S=StrataLMI, and au=AnnexA UNI. • asyn enables asynchronous updates: (y[...]

Card and Service Configuration 6-31 Adding a Frame Relay Connection Note The following step applies to Y -cable redundancy for the MGX-FRSM-2T3E3. For 1: N redundancy on the eight-port FRSMs, refer to “Redundancy Support by the MGX-SRM-3T3/B. ” Step 7 Optionally configure Y -cable redundancy if you have connec ted the lines of adjacent MGX-FRSM[...]

Configuring Frame Relay Service Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-32 • mastership indicates if this end of the connec tion is master or sla ve: 1=master , 2=sla ve. • connID is the connection identifier at the remote end. It a ppears in the syntax as an optional parameter because it is ma[...]

Card and Service Configuration 6-33 Adding a Frame Relay Connection • CIR specifies the committed information rate. The range is 0–10 000000 bps (although the V .35 version supports a maximu m of 8 Mbps sustained). • chan_type is a number that identif ies the chan nel type: 1=NIW . 2=transparent SIW . 3=SIW with translation. 4= FUNI. 5=frame [...]

Configuring Frame Relay Service Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-34 Estab lishing the BPX 8600-to-BPX 8600-Ser ies Segment For a three-se gment connection, establish a BPX 8600-to-BPX 8 600-seri es (middle) segment. Execute addcon at one of the BPX 8600-series nodes, as follo ws. • For slo[...]

Card and Service Configuration 6-35 Bit Error Rate Testing on an Unchannelized T3 or E3 FRSM • addchanl oop and delchanloop are standard user commands for looping on a chan nel. • tstcon checks the integrity of a connection. • tstdelay measures the round trip delay on a connection. Bit Error Rate T esting on an Unchannelized T3 or E3 FRSM The[...]

Circuit Emulation Servic e Module for T3 and E3 Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-36 Cir cuit Emulation Service Module f o r T3 and E3 The main function of the Circuit Emulation Service Module (CESM) is t o provide a constant bit rate (CBR) service. The CESM con verts data stream s into CBR A[...]

Card and Service Configuration 6-37 Configuring Service on a T 3 or E3 CESM Error and Alarm Response When it detects a loss of signal (LOS) alarm, the C ESM notifies th e connected CPE in the upstream direction after an int egration peri od. The CESM continue s to emit cells at the nom inal rate but sets the A TM cell payload with an appropriate da[...]

Circuit Emulation Servic e Module for T3 and E3 Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-38 Configuring the Card, Lines, and P or ts This section describes how to conf igure parameters for the card, line, and port through the CLI. If you use the CiscoV iew application, refer to Ci scoV iew documenta[...]

Card and Service Configuration 6-39 Configuring Service on a T 3 or E3 CESM command is addcon . If the application requir es NSAP addressing, use addchan to add the connection and cnfchan if you need t o modify it. Refer to the comma nd reference for the syntax. On the CESM CLI: Step 1 Add a connection b y executing addcon . (Alternati vely , you c[...]

Circuit Emulation Servic e Module for T3 and E3 Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-40 • r oute_priority is the priority of th e connection for re-routing. The range is 1–15 and is meaningful only in relation to the priority of other connections. • max_cost is a number establishing the ma[...]

Card and Service Configuration 6-41 Eight-Port Circuit Emulati on Service Modules Eight-P or t Circuit Em ulation Ser vice Modules The main function of the Circuit Emulation Service Module (CESM) is t o provide a constant bit rate (CBR) circuit emulation service by con verting data streams into CBR AAL 1 cells for transport across an A TM network. [...]

Eight-Port Circuit Emul ation Service Modules Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-42 Cell Dela y T reatment For each connection, you can conf igure a tolerable v ariation in the cell arri v al time (CD VT) according to the expected reliability of the route. The CD VT applies to the receive b uf[...]

Card and Service Configuration 6-43 Configuring Serv ice on an Eight-Port CESM Configuring Ser vice on an Eight-P or t CESM This section describes the steps for setting up a CESM and adding conn ections. The maximum number of connections is 248 on the MGX-CESM /B-8E1 and 192 on the MGX-CESM/B-T1. Use either the CLI or the Cisco W AN Manager ap plic[...]

Eight-Port Circuit Emul ation Service Modules Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-44 Step 3 Create a logical port with addport if the application requires N x 64-Kbps channels: addport < port_num > < lin e_num > < be gin_slo t > < num_slot > < port_type > • port_[...]

Card and Service Configuration 6-45 Configuring Serv ice on an Eight-Port CESM Adding and Modifying Connect ions Use either the Cisco W AN Manager application or the CLI to add or mo dify connections. If you use the W AN Manager application, refer to the Cisco W AN Ma nager Oper ations Guide . This section describes ho w to add a connection to a PX[...]

Eight-Port Circuit Emul ation Service Modules Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-46 Step 2 Optionally , you can use cnfcon to modify an individual connection. This command requires a channel number . If you add a connection by using addcon , you do not need to specify a channel number because [...]

Card and Service Configuration 6-47 Service Resource Module Service Resource Module This section describes ho w to use the features of the T3 version of the Service Resource Module (MGX-SRM-3T3/B). This mult ipurpose card can provide: • De-mulitplexing of T3 service called bulk distribution. • 1: N redundancy support for service modules with T1[...]

Service Res ource Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-48 Bulk Distri b ution f or T1 Ser vice The MGX-SRM-3T3/B supports a de-mulitplexing function called bu lk d i st r ibu t i on . W ith bulk distribution, the MGX-SRM-3T3/B con verts traf fic from its T3 lines to T1 channels and sends [...]

Card and Service Configuration 6-49 Redundancy Suppo rt by the MGX-SRM-3T3/B The need for back cards and the choice of bus for redundancy support depends on whether the MGX-SRM-3T3/B mu st provide bulk distribution: • W ith bulk distribution, the T1 service modules do not use back cards. The MGX-SRM-3T3/B uses the distribution bus to support redu[...]

Service Res ource Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-50 Configuring Redundancy Through the Distribution Bus Redundancy by w ay of the distribution b us applies to T1 channels yo u linked for bulk distrib ution. For a redundanc y configuration on the MGX-SRM-3T3/B that utilizes the distr[...]

Card and Service Configuration 6-51 Bit Error Rate Testing Through an MGX-SRM-3T3 The MGX 8850 bus structure supports one BER T session per upper or lo wer bay , so the switch can run a maximum of two sessions at once. When you specify the target slot through the CiscoV iew application or the CLI, the system determi nes if a BER T configuration alr[...]

Service Res ource Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-52 T able 6-6 Loopback T est for AX-FRSM-8T 1, MGX-CESM-8T1, and MGX-FRSM-2CT3 T able 6-7 Patter n T est for AX -FRSM-8E1 and MGX-CESM-8E1 T able 6-8 Loopback T est for AX-FRSM-8E1 and MGX-CESM-8E1 T able 6-9 Pattern T est for MGX-A U[...]

Card and Service Configuration 6-53 Bit Error Rate Testing Through an MGX-SRM-3T3 P attern T e st Options The pattern test options consist of the device to loop and the pattern. This section lists the device options and patterns that appear in the menus. Refer to the preceding tables as needed. The device to loop options identify the ty pe of de vi[...]

Service Res ource Module Cisco MGX 8850 Installation and Con figuratio n, Release 1.1.00, Part Number 78-618 6-02 6-54 Loopbac k T est Options The loopback tests do not monitor the integrity of the data but rather the integrity of the path. The type of loopback indicates th e direction of test data transmission. The choices are: • far end means t[...]