Avaya Configuring IP, ARP, RARP, RIP, and OSPF Services Manual de usuario Pagina 229
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Customizing OSPF Services
308627-14.20 Rev 00
6-45
Configuring Authentication
OSPF can provide a measure of security for an area with authentication. If an area
is configured for authentication, all OSPF interfaces on a network in that area
must be configured with the same password. However, different networks can
have different passwords. In such an area, a router verifies the password before
processing a packet. Unauthorized routers cannot form OSPF adjacencies.
By default, authentication is disabled in an area. You can use the BCC or Site
Manager to enable authentication and specify a password.
Using the BCC
To configure authentication, go to an OSPF area prompt (for example,
box; ip;
ospf; area/0.0.0.2
) and enter:
authentication-type
<password>
password
is either
none
(default) or
simple-password
.
After you enable authentication on the area, set the password on each interface in
that area. To specify a password, go to the OSPF interface prompt (for example,
box; eth 2/2; ip/2.2.2.2/255.255.0.0; ospf
) and enter:
authentication
<string>
string
is any ASCII string up to eight characters long.
For example, the following command sequence enables authentication on area
0.0.0.1 and sets a password on interface 2.2.2.2 (connected to area 0.0.0.1):
area/0.0.0.1#
authentication-type simple-password
area/0.0.0.1#
box
box#
atm/11/1; pvc-service/boston; ip/2.2.2.2/255.255.0.0; ospf
ospf/2.2.2.2#
authentication secret
- Configuring IP, ARP, RARP 1
- RIP, and OSPF Services 1
- Trademarks 2
- Restricted Rights Legend 2
- Statement of Conditions 2
- Contents 5
- 308627-14.20 Rev 00 10
- Before You Begin 17
- Text Conventions 18
- Acronyms 19
- Related Publications 21
- How to Get Help 22
- Chapter 1 23
- IP Addresses 24
- Subnet Addressing 26
- Supernet Addressing 29
- Autonomous Systems 30
- Figure 1-4. ARP Example 33
- OSPF Neighbors 37
- Neighbor Adjacencies 37
- Designated Routers 38
- AS External Routes 38
- OSPF Areas 39
- OSPF Router Types 41
- OSPF Implementation Notes 41
- Router Discovery Protocol 42
- Route Preferences 43
- Route Weights 44
- Figure 1-7. IP Routing Table 46
- IP Traffic Filters 50
- Chapter 2 51
- Starting IP Services 51
- Starting RIP 53
- Starting OSPF 54
- Starting Router Discovery 54
- Adding RIP to an IP Interface 57
- Starting RARP 59
- Chapter 3 61
- Setting the ICMP Error Limit 75
- Caution: 81
- Customizing an IP Interface 84
- Specifying a MAC Address 97
- IP0012A 99
- Using the BCC 100
- Using Site Manager 100
- Configuring an SMDS Address 102
- (continued) 103
- Deleting IP from an Interface 106
- Defining a Static Route 117
- (continued) 119
- Defining a Default Route 121
- Customizing Router Discovery 122
- Choosing a Broadcast Type 124
- Chapter 4 129
- Customizing ARP 130
- Customizing Global ARP 131
- Figure 4-1. Proxy ARP Example 137
- Customizing RARP 141
- Deleting RARP Globally 144
- Chapter 5 145
- Customizing RIP Services 145
- Setting the RIP Diameter 146
- Customizing a RIP Interface 147
- Selecting the RIP Version 148
- ) and enter: 149
- Specifying the Update Mode 153
- Sending Triggered Updates 155
- Receiving RIP Updates 158
- Listening for a Default Route 161
- Defining a RIP Accept Policy 170
- Chapter 6 185
- Customizing OSPF Services 185
- Supplying an OSPF Router ID 188
- Figure 6-1. OSPF ASE Routes 193
- Setting the Holddown Timer 198
- <value> 199
- <seconds> 199
- Configuring Message Logging 200
- Changing the Area ID 205
- Specifying the Interface Type 206
- Estimating the Transit Delay 210
- Setting the Hello Interval 212
- Setting the Dead Interval 214
- Specifying the Metric Cost 217
- Specifying the MTU Size 219
- Examples 223
- Configuring Areas 226
- Configuring Authentication 229
- Configuring a Summary Route 231
- Configuring a Stub Area 233
- Transit area 244
- Policies 257
- Appendix A 263
- Site Manager Parameters 263
- IP Parameters 264
- IP Interface Parameters 266
- IP Global Parameters 280
- Static Route Parameters 289
- Adjacent Host Parameters 292
- Router Discovery Parameters 295
- RARP Parameters 297
- OSPF Parameters 298
- OSPF Global Parameters 299
- OSPF Interface Parameters 303
- OSPF Area Parameters 311
- Area Range Parameters 315
- OSPF NSSA Range Parameters 318
- RIP Parameters 324
- Manager online Help 331
- RIP Accept Policy Parameters 335
- OSPF Accept Policy Parameters 337
- Appendix B 353
- RIP Import Filters 354
- RIP Export Filters 357
- OSPF Import Filters 360
- OSPF Export Filters 363
- Appendix C 367
- Route Weight Worksheet 367
- Appendix D 371
- IP/OSPF Configuration Example 371
- Manager and the BCC 374
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