Figure 4-7 Plaintext Password Authentication
Plaintext password authentication is con?¬?gured on interface serial 0/0/1 with the ip ospf
authentication command. The interface is con?¬?gured with an authentication key of ???plainpas.???
Notice that the connecting interfaces on both Router 1 and Router 2 are con?¬?gured for the same
type of authentication with the same authentication key.
Table 4-7 area authentication Parameters
Parameter Description
area-id Identi?¬?er of the area for which authentication is to be enabled. The identi?¬?er can be
speci?¬?ed as either a decimal value or an IP address.
message-digest (Optional) Enables MD5 authentication on the area speci?¬?ed by the area-id
argument.
R1 192.168.1.101
S0/0/1
S0/0/1
192.168.1.102
Loopback 0
10.1.1.1
Loopback 0
10.2.2.2
Area 0
R2
interface s0/0/1
ip address 192.168.1.101 255.255.255.224
ip ospf authentication
ip ospf authenication-key plainpas
interface s0/0/1
ip address 192.168.1.102 255.255.255.224
ip ospf authentication
ip ospf authenication-key plainpas
Introducing OSPF 159
Verifying Plaintext Password Authentication
Example 4-10 shows output from the show ip ospf neighbor and show ip route commands for a
router that was con?¬?gured with authentication.
Pages:
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251