Cisco ME-3400G-12CS-A-RF - Ethernet Access Switch Manual de usuario Pagina 104
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© 2009 Cisco Systems, Inc. All rights reserved.
105
Cisco PublicBRKBBA-2006
Ethernet Access Security Threats
Subscribers Access Nodes Infrastructure
Layer 2 service isolation
across switches
L2 Control Protocol Attack
(STP, CDP, VTP, etc…)
Man-in-the-Middle attacks on
critical management traffic
Non intentional forwarding of
traffic between UNI ports
MAC Flooding / Overflow Unauthenticated access to
the switch configuration file
DHCP Rogue Server DHCP Resource Overflow Unconfigured Ports providing
network access
IP & MAC Address Spoofing Unicast, multicast, or
broadcast storms
Unauthorized network
access, junk traffic
ARP Spoofing (Man-in-the-
Middle)
Infected users flooding the
network / Malicious users
attacking the Priority traffic
queue
Unauthenticated network
access by client devices
Attack targets can be divided into three main categories:
- Fiber to the Home 1
- Access Architectures 1
- Housekeeping 2
- FTTH Technologies 3
- Exchange 4
- Framework 4
- Introduction to FTTH 5
- FTTH Motivations/Drivers 6
- OAN Example:Citynet Amsterdam 9
- Voice SPs 10
- Video SPs 10
- Application SPs 10
- Requirements for OANs 11
- Generic EAN Model 13
- Technologies 15
- Next Generation Network 16
- Broadband First Mile Options 16
- Passive Optical 17
- Networks 17
- PON Architecture 18
- Central Office 19
- Serving Area 19
- PON Protocol Overview 23
- PON Flavors 24
- Port saving in the CO/POP 25
- About Next-Gen PON: 26
- GPON vendors say 26
- GPON with DWDM solution 29
- DWDM PON Architecture 30
- Main Issues with PONs 33
- PON CPE Aspects 35
- Point-to-Point 36
- Ethernet Star Architecture 37
- Characteristics (a.k.a. P2P) 38
- Secondary 41
- LCC Cabinet 41
- CPE Aspects 43
- Deployment 45
- Deployment models 46
- FTTH Subscriber Connection 47
- 2. UTP Copper CAT V-VII 48
- Interface Definitions 49
- Customer Premises Equipment 50
- Customer Premise Equipment 51
- Analogue Phones 52
- USER DEVICES 52
- Video STB 52
- In-House Connections 54
- The Connected Home 54
- HomePlug AV 55
- Centralized POP Approach 56
- Centralized Access Pop 58
- New Mechanical Solution 59
- Distributed Access 60
- Decentralized Access 61
- Architecture 62
- Overview 62
- SP Ethernet Access 63
- Multi-Edge Architecture 64
- Considerations 65
- E-FTTH Design Considerations 66
- Service Delivery 67
- Centralized Access – All IP 69
- Services Connectivity 72
- Non Trunk UNI, N:1 VLAN 72
- Service Prioritization 73
- Trunk UNI, N:1 Service VLAN 74
- 802.3, 802.11b/g 76
- Open Access: 77
- Single VLAN with 78
- Policy Based Routing (PBR) 78
- Per-SP VLAN Architecture 79
- Per SP VLAN 80
- Address Management 81
- IP Address Management 82
- Subscriber Provisioning 84
- Generic Provisioning Platform 85
- Subscriber Portal Example 95
- Service Subscription 96
- Subscriber Identification 97
- How does it work: 99
- PPPoE Intermediate Agent 100
- Design Considerations 101
- Subscriber Isolation & 101
- Security 101
- Cisco PublicBRKBBA-2006 102
- Potential Security Threats 103
- Subscriber Security 105
- Subscriber Security Solutions 106
- Private VLAN 107
- DHCP Security 109
- DHCP Snooping 110
- ARP attacks (ARP spoofing) 111
- Solution: 112
- Access Nodes Security 113
- Security Concern: Solution 114
- Port Security 116
- Controlling multicast traffic 117
- Options: 118
- Infrastructure Security 120
- Security Threats Solution 121
- Network Resilience 122
- Devil? (Not Anymore!) 124
- Cisco Spanning Tree Toolkit 125
- Resilient Ethernet Protocol 126
- Cisco REP Solution 127
- Deployment Example 127
- REP is a Segment Protocol 128
- Quality of Service (QOS) 129
- FTTH QoS Strategy 130
- QoS Mechanisms—Example 132
- Meet The Expert 134
- Recommended Reading 135
- Thank You 136
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