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Cisco Systems IGX 8400 manual

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Table of contents for the manual

  • Page 1

    CHAPTER Trunk Cards 4-1 4 T r unk Cards This chapter describes the hardware and functionality of IGX trunk cards. The description of each card includes: • Function • System interconnect • Faceplate indicators Other publications that relate to IGX operation are: • The Cisco IGX 8400 Series Installation and Configuration publication describe[...]

  • Page 2

    4-2 Cisco IGX 8400 Series Reference Trunk Interface Cards T runk Interface Car ds This section describes the IGX trunks. The card groups are: • Uni versal switching module enhanced (UXM-E) • Network trunk module (NTM) Note W ith Release 9.2 and later software, an Cisco IGX 8420 or 8430 switch can support a maximum of 32 trunks. T able 4-1 lists[...]

  • Page 3

    Trunk Cards 4-3 Common Alarms, Controls, and Indicators T runk Operating Modes IGX trunk cards operate in either simple gateway or cell forwar ding mode. Simple gate way supports service interworking , which lets Frame Relay connections terminate at A TM endpoints. For a description of simple and complex gate ways, service and network interw orking[...]

  • Page 4

    4-4 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Universal Switc hing Module Enhanced This description of the univ ersal switching module (UXM-E) cov ers the following topics: • An introduction includes sections on the UXM-E mode of operation, trunk-mode features, interface card list, card redundancy , card mismatch, clock [...]

  • Page 5

    Trunk Cards 4-5 Universal Switching Module Enhanced Deter mining the UXM-E’ s Mode of Operation The UXM-E detects reports its mode of operation to switch software when you first acti vate either a trunk to the network or a line on the UNI or NNI. If you acti vate a trunk, the UXM-E goes into trunk mode. If you activ ate a line, the UXM-E goes in[...]

  • Page 6

    4-6 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced voice connection between a CVM and CDP . Connection E is a local connection (D AXCON) between a UFM and a UXM-E UNI port on the same node. For connections C–E, the gate way function of the UXM-E packs and unpacks the FastP ackets into and out of the A TM cells. Figure 4-2 UXM[...]

  • Page 7

    Trunk Cards 4-7 Universal Switching Module Enhanced • The maximum throughput is 310 Mbps—two times the OC-3 (STM1) rate. This maximum applies whether the back card is a 2-port or 4-port back card. In practical application, this maximum rate means that most trunk applications with an OC-3 interface would use the 2-port back card. • The UXM-E s[...]

  • Page 8

    4-8 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Figure 4-3 UXM-E Front Car d 29424 UXME Fail Active Minor Standby Major[...]

  • Page 9

    Trunk Cards 4-9 Universal Switching Module Enhanced T able 4-5 UXM-E Status LEDs Maximum Number of UXM-Es Switch software limits the number of logical trunks and ports on an IGX switch. The maximum number of UNI or NNI ports in an IGX switch is 64. The maximum number of logical trunks is 32. T o determine the number of each logical type in the swit[...]

  • Page 10

    4-10 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Card Mismatch The UXM-E supports two types of card mismatch notification. The notification common to all cards occurs when you connect an unsupported back card to the front card. The mismatch notification unique to the UXM-E occurs if you attach a supported back card but on[...]

  • Page 11

    Trunk Cards 4-11 Universal Switching Module Enhanced The car d-based default and maximum cellb us bandwidth for each interface appears in T able 4-5. Note that FastP ackets require substantially less cellbus bandwidth than A TM cells. The FastPacket requirements in the figure and table reflect the restriction of FastP ackets to one lane and the m[...]

  • Page 12

    4-12 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Calculating Cellbus Bandwidth Changes T o determine ho w many UBUs are necessary , use the values for avera ge bandwidth used in the following formula: In most circumstances, the fps and cps values from aver age bandwidth used are suf ficient. The peak bandwidth used v alues [...]

  • Page 13

    Trunk Cards 4-13 Universal Switching Module Enhanced • 8.3 and 9.3 • 9.4 and the public network Step 2 Configure trunk 8.1, 8.2, and 8.3 to use VPC 101, 102, and 103, respectively . Step 3 Add 3 VPC connections from 9.1, 9.2, and 9.3 to 9.4. At the far end, use the same VPCs. Routing ov er Cell T r unks Only Y ou can specify trunk cell r outin[...]

  • Page 14

    4-14 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced T ypes of Connections on a UXM-E T r unk This section introduces the connections that a UXM-E trunk supports. The context of each description is the trunk rather than the connection endpoints. The purpose of these descriptions is not only to inform but also help you plan the n[...]

  • Page 15

    Trunk Cards 4-15 Universal Switching Module Enhanced IMA characteristics are as follows: • All physical ports of an IMA trunk use the same line configuration. • The node maintains a set of retained links for the IMA trunk to k eep it activ e. The IMA trunk does not fail unless the number of acti ve trunks is less than the user -specified numb[...]

  • Page 16

    4-16 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Adding and Removing IMA Group Links When you configure an IMA trunk through Cisco W AN Manager or the cnftrk command, you enter the number of retained links. This represents the number of ports that must remain activ e for the IMA trunk itself to remain activ e. If a physical[...]

  • Page 17

    Trunk Cards 4-17 Universal Switching Module Enhanced Figure 4-7 shows an e xample of IMA protocol overhead. In the e xample, DS0 1 is reserved for an IMA group with 1 to 4 physical lines and DS0 2 is reserved for an IMA group with 5 to 8 physical lines. Figure 4-7 IMA Protocol Suppor ted Segment Connections on the IGX F eeder Node Figure 4-8 shows [...]

  • Page 18

    4-18 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Note T wo-segment v oice and data connections are not supported. Figure 4-9 shows an e xample of configuring a three-segment connection for IGX feeder node functionality . Figure 4-9 Sample Three-Segment Connections T able 4-9 lists the corresponding feeder endpoints with app[...]

  • Page 19

    Trunk Cards 4-19 Universal Switching Module Enhanced Activ ation and Configuration of a UXM-E in T r unk Mode When you insert a ne w UXM-E into the backplane or apply power to the IGX node, UXM-E firmware reports the card type and number of physical lines on the back card. Switch software can then determine the allowed range and characteristics o[...]

  • Page 20

    4-20 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced T1 • HCS masking (on or off) • Payload scramble (on or of f) • Loop clock (enable/disable) • Line framing (ESF or D4) • Cable length (0 to 655 feet, AB AM cable only) • Idle code • Line coding (fixed as B8ZS) E1 • HCS masking (on or off) • Payload scramble ([...]

  • Page 21

    Trunk Cards 4-21 Universal Switching Module Enhanced Alar ms f or Ph ysical Lines and Logical T runks V ariations exist in the way switch software supports alarms for physical lines and logical trunks for a trunk-mode UXM-E. The following list summarizes the approach to physical lines and trunks: • A UXM-E trunk is mapped to a physical line objec[...]

  • Page 22

    4-22 Cisco IGX 8400 Series Reference Universal Switching Module Enhanced Figure 4-10 shows an application e xample enabled by the PCR minimum value feature. In the example, less than 19.2 kbps Frame and A TM connections are set up across two carrier Frame and A TM networks with the policing function enabled at the boundary of the two carrier networ[...]

  • Page 23

    Trunk Cards 4-23 UXM-E Interface Cards Summar y Statistics Y ou can view summary statistics for a UXM-E trunk through Cisco W AN Manager or the CLI. The CLI commands are dspportstats and dsptrkstats . W ith dspportstats , you can vie w: • Port statistics • IMA statistics • ILMI/ILMI statistics W ith dsptrkstats , you can vie w: • Qbin stati[...]

  • Page 24

    4-24 Cisco IGX 8400 Series Reference UXM-E Interface Cards • BC-U AI-4-E1-BNC OC-3/STM1 Back Cards The OC3/STM1 back cards for the UXM-E hav e the single-mode fiber (SMF), multimode fiber (MMF) and electrical connections. The cards are: • BC-U AI-2-155-SMF • BC-U AI-4-155-SMF • BC-U AI-4-155-MMF • BC-U AI-2-SMFXLR • BC-U AI-4-SMFXLR ?[...]

  • Page 25

    Trunk Cards 4-25 UXM-E Interface Cards Figure 4-11 BC-U AI-4-155-SMF Faceplate UAI - 4-15 5 SMF FAIL ACTIVE R X T X P O R T 1 P O R T 2 P O R T 3 P O R T 4 R LOC Y REM G OK R X T X R LOC Y REM G OK R X T X R LOC Y REM G OK R X T X R LOC Y REM G OK H1 1697 P O R T 2 R X T X R LOC Y REM G OK[...]

  • Page 26

    4-26 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-12 BC-U AI-2-155-SMF Faceplate T3 Back Cards The T3 back cards for the UXM-E are BC-U AI-6-T3 and BC-U AI-3-T3. These cards hav e six and three pairs of BNC connectors, respecti vely . Each port has a tri-color LED whose color indicates its status. Each card also has a red Fail LED[...]

  • Page 27

    Trunk Cards 4-27 UXM-E Interface Cards T able 4-13 Connector s and LEDs for BC-U AI-6-T3 and BC-UAI-3-T3 Figure 4-13 BC-U AI-6-T3 Faceplate Connectors/Indicator Function T ransmit jacks BNC connectors for transmit data. Receiv e jacks BNC connectors for receiv e data. Red (on the tri-color LED) On indicates line is activ e but a local alarm was det[...]

  • Page 28

    4-28 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-14 BC-U AI-3-T3 Faceplate E3 Back Cards The E3 back cards for the UXM-E are the six-port BC-U AI-6-E3 and the three-port BC-U AI-3-E3. These cards hav e six and three pairs of SMB connectors, respectiv ely . Each line has a tri-color LED whose color indicates its status. Each card [...]

  • Page 29

    Trunk Cards 4-29 UXM-E Interface Cards T able 4-14 Connector s and LEDs for BC-U AI-6-E3 and BC-UAI-3-E3 Figure 4-15 BC-U AI-6-E3 Faceplate Connector/Indicator Function T ransmit Jack BNC connector for transmit data. Receiv e Jack BNC connector for receiv e data. Red (on the tri-color LED) On indicates line is activ e but a local alarm was detected[...]

  • Page 30

    4-30 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-16 BC-U AI-3-E3 Faceplate T1 Back Cards The T1 back cards for the UXM-E are BC-U AI-8-T1-DB-15 and BC-U AI-4-T1-DB-15. These cards hav e eight and four DB-15 lines, respectiv ely . Each line has a tri-color LED whose color indicates its status. If a card failure occurs, all the LED[...]

  • Page 31

    Trunk Cards 4-31 UXM-E Interface Cards T able 4-15 Connector s and LEDs for BC-U AI-8-T1-DB-15 and BC-UAI-4-T1-DB-15 Figure 4-17 BC-U AI-8-T1-DB-15 Faceplate Connector/Indicator Function Four or eight DB-15s Each DB-15 connector carries transmit and recei ve data. Red (on the tri-color LED) On indicates line is activ e but a local alarm was detecte[...]

  • Page 32

    4-32 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-18 BC-U AI-4-T1-DB-15 Faceplate E1 Back Cards The E1 back cards for the UXM-E are: • BC-U AI-8-E1-BNC • BC-U AI-8-E1-DB-15 • BC-U AI-4-E1-BNC • BC-U AI-4-E1-DB-15 As the model numbers indicate, the eight and four-port E1 cards can ha ve either BNC or DB-15 connectors. Each [...]

  • Page 33

    Trunk Cards 4-33 UXM-E Interface Cards T able 4-16 Connector s and LEDs for BC-U AI-8-E1 and BC-UAI-4-E1 Figure 4-19 BC-U AI-8-E1 DB-15 Faceplate Connector/Indicator Function Eight or four DB-15 connectors Each DB-15 connector carries transmit and receive data. Eight or four pairs of BNC connectors Each BNC connector carries traffic in one directi[...]

  • Page 34

    4-34 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-20 BC-U AI-8-E1 BNC Faceplate UAI-8EI BNC H1 1705 RX R LOC Y REM G OK TX P ORT 1 RX R LOC Y REM G OK TX P ORT 2 RX R LOC Y REM G OK TX P ORT 3 RX R LOC Y REM G OK TX P ORT 4 RX R LOC Y REM G OK TX P ORT 5 RX R LOC Y REM G OK TX PORT 6 RX R LOC Y REM G OK TX P ORT 7 RX R LOC Y REM G[...]

  • Page 35

    Trunk Cards 4-35 UXM-E Interface Cards Figure 4-21 BC-U AI-4-E1 DB-15 Faceplate UAI -4E1 DB15 P O R T 1 R LOC Y REM G OK P O R T 2 R LOC Y REM G OK P O R T 3 R LOC Y REM G OK P O R T 4 R LOC Y REM G OK H1 1707 R LOC Y REM G OK P O R T 2[...]

  • Page 36

    4-36 Cisco IGX 8400 Series Reference UXM-E Interface Cards Figure 4-22 BC-U AI-4-E1 BNC Faceplate UAI-4EI BNC H1 1708 RX R LOC Y REM G OK TX P ORT 1 RX R LOC Y REM G OK TX P ORT 2 RX R LOC Y REM G OK TX P ORT 3 RX R LOC Y REM G OK TX P ORT 4 RX R LOC Y REM G OK TX PORT 2[...]

  • Page 37

    Trunk Cards 4-37 Network Trunk Module Netw ork T runk Module The network trunk module (NTM) enables FastP acket transmission on a trunk. NTM functions include the follo wing: • T akes FastP ackets of f the cellbus and places them in queues before transmission to the trunk • Arbitrates access to the trunk for the traffic type • Monitors the a[...]

  • Page 38

    4-38 Cisco IGX 8400 Series Reference Network Trunk Module For details on the significance of LEDs, see the Cisco IGX 8400 Series Installation manual. The alarms and line conditions that the NTM monitors include those in the list that follo ws. T o view errors on a trunk, use the dsptrkerrs command. T o see a list of the (user-specified) errors th[...]

  • Page 39

    Trunk Cards 4-39 Network Trunk Module Figure 4-23 BC-T1 Faceplate T able 4-17 BC-T1 Connections and Status LEDs Connector/Indicator Function T1 input/output Female DB-15 connector for T1 line. LOS light (red) Indicates loss of signal at the local end. Red alarm light (red) Indicates loss of local E1 frame alignment, or it indicates loss of packet a[...]

  • Page 40

    4-40 Cisco IGX 8400 Series Reference Network Trunk Module E1 Interf ace Bac k Card (BC-E1) The E1 trunk interface card (BC-E1) provides an E1 trunk interf ace for the network trunk module (NTM). The BC-E1 connects directly to the NTM and can reside in any rear slot 3 through 8 in an Cisco IGX 8410, 3 through 16 in an Cisco IGX 8420, or 3 through 32[...]

  • Page 41

    Trunk Cards 4-41 Network Trunk Module Figure 4-24 BC-E1 Faceplate T able 4-18 BC-E1 Connections and Status LEDs Connector/Indicator Function RX-TX Female DB-15 connector for XMT and RCV E1. RX BNC connector for receiv e E1 line. TX BNC connector for transmit E1 line. LOS light (red) Indicates loss of signal at the local end. Red alarm light Indicat[...]

  • Page 42

    4-42 Cisco IGX 8400 Series Reference Network Trunk Module Subrate Interf ace Card (BC-SR) The back card/subrate (BC-SR) terminates subrate trunks on the NTM. A subrate trunk uses part of the E1 or T1 bandwidth. The BC-SR typically functions in tail circuits or where little traffic e xists. A subrate trunk facility interface operates in DCE mode, a[...]

  • Page 43

    Trunk Cards 4-43 Network Trunk Module Figure 4-25 BC-SR Faceplate T able 4-19 BC-SR Connections and Status LEDs Connection/Indicator Function EIA/TIA-449 data connector DB-37 female connector X.21 data connector DB-15 female connector V .35 data connector 34-pin female MRA C connector LOS light (red) Loss of signal at the local end Bad CLK light (r[...]

  • Page 44

    4-44 Cisco IGX 8400 Series Reference Network Trunk Module T able 4-20 Data and Contr ol Leads Supported with BC-SR Y1 Interf ace Bac k Card (BC-Y1) The BC-Y1 back card provides a Japanese Y1 trunk interface for an NTM. The BC-Y1 can reside in any rear slot 3 through 8 in an Cisco IGX 8410, 3 through 16 in an Cisco IGX 8420, or 3 through 32 in an Ci[...]

  • Page 45

    Trunk Cards 4-45 Network Trunk Module Figure 4-26 BC-Y1 Faceplate T able 4-21 BC-Y1 Connections and Status LEDs Connector/Indicator Function Y1 T runk input/output DB-15 connector for Y1 trunk Line in Y1 trunk input line Line out Y1 trunk output line RX MON BNC test connector for monitoring receiv e Y1 line TX MON BNC test connector for monitoring [...]

  • Page 46

    4-46 Cisco IGX 8400 Series Reference Network Trunk Module[...]