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xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch
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To setup Loopback IP Interfaces on the switch, click Layer 3 Features > Loopback IP Interface Settings to open the following
window:
Figure 8- 5. Loopback Detection Global Settings
Parameter Description
Loopback IP Interface Name
The name for the Loopback IP Interface.
Loopback IP Interface
Address
The IP Address of the new Loopback IP Interface.
State
Use the drop-down menu to enable or disable the Loopback IP Interface state.
MD5 Key Settings
The MD5 Key Settings menu allows the entry of a 16-character Message Digest − version 5 (MD5) key which can be used to
authenticate every packet exchanged between OSPF routers. It is used as a security mechanism to limit the exchange of network
topology information to the OSPF routing domain. MD5 Keys created here can be used in the OSPF menu below.
To configure an MD5 Key, click Layer 3 Features > MD5 Key Settings to open the following window:
Figure 8- 6. MD5 Key Settings and Table window
The following fields can be set:
Parameter Description
Key ID (1-255)
A number from 1 to 255 used to identify the MD5 Key.
Key
An alphanumeric string of between 1 and 16 case-sensitive characters used to generate the
Message Digest which is in turn, used to authenticate OSPF packets within the OSPF routing
domain.