6. OSPF Authentication Flashcards
1
Q
What are the three types of authentication in OSPF?
A
- Type 0 = null
- Type 1 = Plain Text
- Type 2 = SHA or MD5
2
Q
At which levels can OSPF authentication be installed
A
- Link level (leading when activated)
- Process
3
Q
What is the command to turn on authentication on OSPF per link?
A
ip ospf authentication
4
Q
What is the command to turn on authentication on OSPF per process?
A
Process: area authentication message-digest
Link: ip ospf message-digest-key
5
Q
How can you check if authentication is active in OSPF?
A
show ip ospf interface
6
Q
When you have multiple OSPF Key IDs defined, which one is used?
A
The lowest key
7
Q
What is another name for Type 1 authentication in OSPFv2?
A
Plain Text and it is the default
