Configuring Routing 553
Figure 9-30. RIP Route Redistribution Configuration
The RIP Route Redistribution Configuration page contains the following fields:
•
Source
— Select the type of source route to configure for redistribution by RIP. Possible values are:
–
Static
–
Connected
–
OSPF
•
Metric
— Sets the metric value to be used as the metric of redistributed routes. This field displays the
metric if the source was pre-configured and can be modified. The valid values are 1 to 15.
•
Distribute List
— Select the Access List that filters the routes to be redistributed by the destination
protocol. Only permitted routes are redistributed.
The drop-down menu lists the ACLs configured through the pages under
Switching
→
Network
Security
→
Access Control Lists
→
IP Access Control Lists
. When used for route filtering, the only
fields in an access list that get used are:
– Source IP Address and netmask
– Destination IP Address and netmask
– Action (Permit or Deny)
All other fields (source and destination port, precedence, tos, etc.) are ignored.
The source IP address is compared to the destination IP address of the route. The source IP netmask in
the access list rule is treated as a wildcard mask, indicating which bits in the source IP address must
match the destination address of the route.
NOTE:
A 1 in the mask indicates a Don’t Care in the corresponding address bit.
When an access list rule includes a destination IP address and netmask (an extended access list), the
destination IP address is compared to the network mask of the destination of the route. The