Avocent Access Router Cyclades-PR2000 Instrukcja Użytkownika Pobierz pdf (Strona 98)

98Chapter 12 - Filters and Rules

Cyclades-PR2000

Exterior Router

Interior Router

Router

Extension to Network

Bastion

Host

ETH0

192.168.0.2

192.168.0.3

10.0.0.0

172.16.0.0

192.168.0.1

Perimeter Network

192.168.0.0

Slot 1

FIGURE 12.2 FIREWALL EXAMPLE

Figure 12.2 will be used to show how both an exterior router and an interior router would be configured using

the filters available in CyROS.

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 135 136

Cyclades-PR2000 1
Table of Contents 3
Table of Contents 4 4
Table of Contents 5 5
Table of Contents 6 6
CHAPTER 2 WHAT IS IN THE BOX 12
Back Panel of PR2000 13
DB-25 Male 13
RJ-45 Male 13
RJ-45 TO DB-25 13
Special Keys 16
Cyros Management Utility 17
Configuration Menu Interface 18
End HTTP Session 18
STEP ONE 20
Mode Asynchronous 21
Speed 38.4k 21
Global Assigned 22
STEP FOUR 23
Interface 24
First IP Address 192.168.0.10 25
Last IP Address 192.168.0.30 25
Clock Source 29
External 29
STEP THREE 30
Inactive 31
STEP FIVE 32
Address Based 38
Unnumbered 41
Numbered 41
IP Bridge 43
FIGURE 5.1 IP BRIDGE EXAMPLE 43
Chapter 7 Network Protocols 48
The IP Protocol 49
PPP Menu (Continued) 53
HDLC Keepalive Interval 55
Add DLCI 55
<ESC> 59
Throughput 62
N3 Window 62
IP Address Type 63
Predictor Compression Enabled 63
Static Routing 64
Dynamic Routing 64
Point-to-Point Connection 66
RIP2 Authentication 68
FIGURE 9.3 OSPF EXAMPLE 69
Enable Inactive 70
OSPF on This Interface 70
Disabled 70
OSPF Global Configurations 72
Virtual Link Status 75
STEP TWO 79
100.10.0.0/16 81
ROUTE MAP 82
=>ADD 83
STEP SIX 84
• creation of the host table 87
• IP Accounting 87
FIGURE 11.1 NAT EXAMPLE 90
Chapter 11 - NAT 91
Types of Address Translation 92
Normal Mode 93
First IP Address 94
Last IP Address 94
FIGURE 12.2 FIREWALL EXAMPLE 98
Exterior Router 99
Default Scope 99
<INTERFACE> 100
Requests 109
ACKs Back 109
Data Requested 109
E-mail out 109
Flow Priority 110
Reserved Bandwidth 110
Bandwidth Priority 110
Chapter 13 - IPX 111 111
Chapter 13 - IPX 112 112
Send SAP Update 113
Periodic 113
Frame Relay 113
Chapter 13 - IPX 114 114
As received by 115
Important!! 116
REMOTE SECURITY NETWORK 2 117
LOCAL SECURITY NETWORK 117
REMOTE SECURITY NETWORK 1 117
IP Address 122
Subnet Mask 122
Cyclades - PR2000 125
General Specifications 126
The WAN Interfaces 127
The LAN Interface 127
The Asynchronous Interface 128
The Console Interface 128
The Straight-Through Cable 129
DB-25 - M.34 Adaptor 130
The ASY/Modem Cable 131
The Cross Cable 131
DB-25 Loopback Connector 133
Index 135 135

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