Three-Segment Connections | Cisco Systems IGX 8400 specs

Universal Switching Module Enhanced

			VCC
Routing	Feeder	Connection	or		Cell
Endpoint A	Endpoint B	Type	VPC	Gateway Type	Routing	Load Type

BXM		ATFST		GW_TYPE_NWI	N/A	BDATB_LOAD

UXM-E	UFM	ATFR	N/A	GW_TYPE_NWI	N/A	BDATA_LOAD
	FRM	ATFST	N/A	GW_TYPE_NWI	N/A	BDATB_LOAD

UFM	UFM	ATFR	N/A	GW_TYPE_NWI	N/A	BDATA_LOAD
		ATFST	N/A	GW_TYPE_NWI	N/A	BDATB_LOAD
		ATFX	N/A	GW_TYPE_SIWX	N/A	BDATA_LOAD
		ATFXFST	N/A	GW_TYPE_SIWX	N/A	BDATB_LOAD
		ATFT	N/A	GW_TYPE_SIWT	N/A	BDATA_LOAD
		ATFTFST	N/A	GW_TYPE_SIWT	N/A	BDATB_LOAD

FRM	FRM	ATFR	N/A	GW_TYPE_NWI	N/A	BDATA_LOAD

Note Two-segment voice and data connections are not supported.

Figure 4-9shows an example of conﬁguring a three-segment connection for IGX feeder node functionality.

Figure 4-9 Sample Three-Segment Connections

A

	U
	U
	X		BXM/
	M-		UXM
	E


IGX-feeder

Routing network

B

			U
			U
	BXM/		X
	UXM		M-
			E



		IGX-feeder

29551

Table 4-9lists the corresponding feeder endpoints with applicable gateway and load types and connection types.

Table 4-9	Three-Segment Connections

			VCC
Feeder	Feeder	Connection	or		Cell
Endpoint A	Endpoint B	Type	VPC	Gateway Type	Routing	Load Type

UXM-E	UXM-E	CBR	Both	GW_TYPE_NONE	True	CBR_LOAD
		RT-VBR		GW_TYPE_NONE	True	CBR_LOAD
		NRT-VBR		GW_TYPE_NONE	True	VBR_LOAD
		ABR.FST		GW_TYPE_NONE	True	ABR_LOAD

4-18Cisco IGX 8400 Series Reference

Image 18

Cisco Systems IGX 8400 Three-Segment Connections, Feeder Connection Cell Endpoint a Endpoint B Type, RT-VBR Gwtypenone

Contents

Trunk Cards Trunk Interface Cards Trunk Front Cards Card Acronym Card Name Trunk Card Maintenance Trunk Operating ModesLoopback Test Introduction to the UXM-E Trunk Mode Universal Switching Module Enhanced Determining the UXM-E’s Mode of Operation Example Networks with UXM-Es UXM-E Trunk Features UXM-Es in a Network with Heterogeneous Trafﬁc UXM-E Interfaces Back Cards for the UXM-ECard Name Card Description UXM-E Front Card Cabled UXM-E Redundancy Switchover to a Redundant UXM-EMaximum Number of UXM-Es UXM-E Status LEDs Fail Active Standby Status of Card Cellbus Bandwidth Usage Card MismatchUXM-E as a Clock Source Planning for Cellbus Bandwidth Allocation OC3 Calculating Cellbus Bandwidth Changes ATM Across a Public ATM Network Types of Supported Trafﬁc UXM-E in Trunk ModeRouting over Cell Trunks Only Trafﬁc from FastPacket-Based Cards Trafﬁc Type Types of Connections on a UXM-E Trunk Inverse Multiplexing over ATM on IGX Trunks Adding an IGX Feeder Adding and Removing IMA Group Links Line Redundancy Routing Feeder Connection Cell Endpoint a Endpoint B Type IMA ProtocolTwo-Segment Connections Gateway Type Routing Load Type RT-VBR Gwtypenone Three-Segment ConnectionsFeeder Connection Cell Endpoint a Endpoint B Type ABR.FST Gwtypenone Activation and Conﬁguration of a UXM-E in Trunk Mode UXM-E AtfrOC3 STM1 SMF 20Cisco IGX 8400 Series Reference BXM Alarms for Physical Lines and Logical TrunksSCR and PCR Policing at Less than 50 CPS on UXM-E IGX-UXM-E Trunk Statistics for Troubleshooting 10 PCR Policing Application Example Summary Statistics UXM-E Interface Cards Connectors and LEDs for SMF and MMF Back Cards Connector/Indicator FunctionOC-3/STM1 Back Cards 11 BC-UAI-4-155-SMF Faceplate T3 Back Cards 12 BC-UAI-2-155-SMF Faceplate Connectors and LEDs for BC-UAI-6-T3 and BC-UAI-3-T3 Connectors/Indicator FunctionBC-UAI-6-T3 Faceplate E3 Back Cards 14 BC-UAI-3-T3 Faceplate Connectors and LEDs for BC-UAI-6-E3 and BC-UAI-3-E3 BC-UAI-6-E3 Faceplate T1 Back Cards 16 BC-UAI-3-E3 Faceplate BC-UAI-8-T1-DB-15 Faceplate E1 Back Cards 18 BC-UAI-4-T1-DB-15 Faceplate BC-UAI-8-E1 DB-15 Faceplate Port 21 BC-UAI-4-E1 DB-15 Faceplate 22 BC-UAI-4-E1 BNC Faceplate Cable Redundancy for the NTM NTM StatusNetwork Trunk Module T1 Interface Card BC-T1 BC-T1 Faceplate Description 23 BC-T1 Faceplate BC-T1 Connections and Status LEDs E1 Interface Back Card BC-E1 BC-E1 Connections and Status LEDs RX-TX Subrate Interface Card BC-SR Connection/Indicator Function BC-SR Connections and Status LEDs Y1 Interface Back Card BC-Y1 BC-Y1 Connections and Status LEDs RX MONTX MON 46Cisco IGX 8400 Series Reference