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Chapter 3 Topology
Physical Topologies
Cisco SCE 2000 4/8xFE Installation and Configuration Guide
OL-7826-05 3-5
Single Link: Receive-only Topology
In this topology, an external switch resides physically on the FE link between the subscribers and
the network. The traffic passes through the external switch, which splits traffic to the SCE 2000.
The SCE 2000, therefore, only receives traffic and does not transmit.
Figure
3-2: Single SCE Platform Single Link: Receive-Only Topology
When configuring the SCE 2000, an external switch topology is referred to as “receive-only”
connection mode.
Note that in an external switch topology, the SCE 2000 only enables traffic monitoring
functionality.
Note
When implementing receive-only topologies with a switch, the switch must support SPAN functionality
that includes separation between ingress and egress traffic and multiple SPAN-ports destinations.
- Cisco SCE 2000 4/8xFE 1
- OL-7826-05 i 3
- Contents 4
- Preface 7
- Audience 8
- Organization 8
- Related Publications 9
- Conventions 10
- Obtaining Documentation 11
- Documentation Feedback 12
- Cisco.com 12
- Technical Assistance Center 12
- Contacting TAC by Telephone 13
- General Overview 15
- 1-2 OL-7826-05 16
- The SCE Platform 17
- Management and Collection 18
- Network Management 19
- Subscriber Management 19
- Data Collection 20
- Front Panel 21
- 2-2 SCE 2000 22
- 2-3 SCE 2000 23
- Back Panel 24
- 2-4 SCE 2000 25
- 2-5 SCE 2000 26
- Topology 27
- Functionality 28
- Number of links 28
- Redundancy 28
- Link Continuity 29
- Physical Topologies 30
- Chapter 3 Topology 31
- Physical Topologies 32
- Topology-Related Parameters 34
- SCE 2000 Configuration 35
- Priority 36
- On-Failure Mode Parameter 36
- Installation and Maintenance 37
- Tools and Parts Required 38
- Site Requirement Guidelines 39
- 4-3 SCE 2000 40
- Installation Precautions 41
- 4-6 OL-7826-05 42
- OL-7826-05 4-7 43
- 4-8 OL-7826-05 44
- OL-7826-05 4-9 45
- 4-10 OL-7826-05 46
- Power Supply Overview 47
- 4-12: AC Power Module 48
- 4-13: DC Power Module 48
- OL-7826-05 4-13 49
- Power Supply Specifications 50
- OL-7826-05 4-15 51
- DC-Input Leads 52
- Reconnecting the Power 53
- 4-18 OL-7826-05 54
- OL-7826-05 4-19 55
- Fan Module Overview 56
- Replacing the Fan Module 57
- Replacing the Battery 58
- Connecting the Local Console 59
- Setting Up the Local Console 60
- Initial System Configuration 61
- 5-4 OL-7826-05 62
- 5-6 OL-7826-05 64
- Enter hostname [SCE 2000]: 65
- 5-8 OL-7826-05 66
- OL-7826-05 5-9 67
- 5-10 OL-7826-05 68
- OL-7826-05 5-11 69
- 5-12 OL-7826-05 70
- Entry Formats 71
- Order of Entries 71
- 5-14 OL-7826-05 72
- OL-7826-05 5-15 73
- Step 8: Configuring SNMP 74
- OL-7826-05 5-17 75
- 5-18 OL-7826-05 76
- 5-20 OL-7826-05 78
- OL-7826-05 5-21 79
- 5-22 OL-7826-05 80
- OL-7826-05 5-23 81
- 5-24 OL-7826-05 82
- OL-7826-05 5-25 83
- Cabling the Management Port 84
- OL-7826-05 5-27 85
- Installation 87
- Cabling Diagrams 88
- OL-7826-05 6-3 89
- 6-4 OL-7826-05 90
- OL-7826-05 6-5 91
- Cabling the FE Line Port 92
- Examining the Link LEDs 93
- 6-8 OL-7826-05 94
- Installing a Cascaded System 95
- 6-10 OL-7826-05 96
- Link Mode 97
- Monitoring the System 98
- OL-7826-05 6-13 99
- OL-7826-05 7-1 101
- 7-2 OL-7826-05 102
- Final Tests 103
- Viewing Configuration 104
- OL-7826-05 7-5 105
- 7-6 OL-7826-05 106
- Step 3 Type 107
- 7-8 OL-7826-05 108
- OL-7826-05 7-9 109
- Displaying the System Uptime 110
- OL-7826-05 7-11 111
- Troubleshooting 113
- Troubleshooting Tools 114
- OL-7826-05 8-3 115
- The User Log 116
- Copying the User Log 117
- Viewing the User Log 117
- Clearing the User Log 117
- Troubleshooting Tools 118
- Check the LEDs 119
- Identifying Startup Problems 120
- OL-7826-05 8-9 121
- 8-10 OL-7826-05 122
- OL-7826-05 8-11 123
- 8-12 OL-7826-05 124
- OL-7826-05 8-13 125
- 8-14 OL-7826-05 126
- Auto-negotiation is disabled 127
- OL-7826-05 I-1 129
- Index 130
- OL-7826-05 I-3 131
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