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Chapter 14 Routing Protocols
ZyWALL USG 50 User’s Guide
307
14.3.3 Virtual Link Add/Edit Screen
The Virtual Link Add/Edit screen allows you to create a new virtual link or edit
an existing one. When the OSPF add or edit screen (see Section 14.3.2 on page
Text
Authentication
Key
This field is available if the Authentication is Text. Type the password
for text authentication. The key can consist of alphanumeric characters
and the underscore, and it can be up to 8 characters long.
MD5
Authentication
ID
This field is available if the Authentication is MD5. Type the default ID
for MD5 authentication in the area. The ID can be between 1 and 255.
MD5
Authentication
Key
This field is available if the Authentication is MD5. Type the default
password for MD5 authentication in the area. The password can consist
of alphanumeric characters and the underscore, and it can be up to 16
characters long.
Virtual Link This section is displayed if the Type is Normal. Create a virtual link if
you want to connect a different area (that does not have a direct
connection to the backbone) to the backbone. You should set up the
virtual link on the ABR that is connected to the other area and on the
ABR that is connected to the backbone.
Add Click this to create a new virtual link.
Edit Double-click an entry or select it and click Edit to open a screen where
you can modify the entry’s settings.
Remove To remove an entry, select it and click Remove. The ZyWALL confirms
you want to remove it before doing so.
# This field is a sequential value, and it is not associated with a specific
area.
Peer Router ID This is the 32-bit ID (in IP address format) of the other ABR in the
virtual link.
Authentication This is the authentication method the virtual link uses. This
authentication protects the integrity, but not the confidentiality, of
routing updates.
None uses no authentication.
Text uses a plain text password that is sent over the network (not very
secure). Hover your cursor over this label to display the password.
MD5 uses an MD5 password and authentication ID (most secure).
Hover your cursor over this label to display the authentication ID and
key.
Same as Area has the virtual link also use the Authentication
settings above.
OK Click OK to save your changes back to the ZyWALL.
Cancel Click Cancel to exit this screen without saving.
Table 85 Configuration > Network > Routing > OSPF > Add (continued)
LABEL DESCRIPTION