3com 8807 사용자 가이드
Configuring IP Routing Policy
395
Each node consists of a group of if-match clauses and apply clauses.
The if-match clauses define the matching rules. The different if-match clauses for
a node have the relationship of "AND". That is, the route must satisfy all the
if-match clauses for the node to match the node before passing this node.
a node have the relationship of "AND". That is, the route must satisfy all the
if-match clauses for the node to match the node before passing this node.
The apply clauses define the executed action after the routing information passes
the matching test. That is, the clause sets the routing information attribute.
the matching test. That is, the clause sets the routing information attribute.
Defining a route-policy
Perform the following configuration in system view.
The permit keyword specifies the matching mode for a defined node in the
route-policy to be in permit mode. If a route satisfies all the if-match clauses of
the node, it will pass the filtering of the node, and the apply clauses for the node
will be executed without taking the test of the next node. If not, however, the
route should take the test of the next node.
route-policy to be in permit mode. If a route satisfies all the if-match clauses of
the node, it will pass the filtering of the node, and the apply clauses for the node
will be executed without taking the test of the next node. If not, however, the
route should take the test of the next node.
The deny keyword specifies the matching mode for a defined node in the
route-policy to be in deny mode. In this mode, the apply clauses will not be
executed. If a route satisfies all the if-match clauses of the node, it will be denied
by the node and will not take the test of the next node. If not, however, the route
will take the test of the next node.
route-policy to be in deny mode. In this mode, the apply clauses will not be
executed. If a route satisfies all the if-match clauses of the node, it will be denied
by the node and will not take the test of the next node. If not, however, the route
will take the test of the next node.
The nodes have the "OR" relationship. In other words, the router will test the
route against the nodes in the route-policy in sequence. Once a node is matched,
the route-policy filtering will be passed.
route against the nodes in the route-policy in sequence. Once a node is matched,
the route-policy filtering will be passed.
By default, the route-policy is not defined.
n
If multiple nodes are defined in a route-policy, at least one of them should be in
permit mode. Apply the route-policy to filter routing information. If the routing
information does not match any node, the routing information will be denied by
the route-policy. If all the nodes in the route-policy are in deny mode, all routing
information will be denied by the route-policy.
permit mode. Apply the route-policy to filter routing information. If the routing
information does not match any node, the routing information will be denied by
the route-policy. If all the nodes in the route-policy are in deny mode, all routing
information will be denied by the route-policy.
Defining if-match clauses for a route-policy
The if-match clauses define the matching rules. That is, the filtering conditions
that the routing information should satisfy for passing the route-policy. The
matching objects are some attributes of routing information.
that the routing information should satisfy for passing the route-policy. The
matching objects are some attributes of routing information.
Perform the following configuration in route policy view.
Table 393 Define a route-policy
Operation
Command
Enter Route policy view
route-policy route-policy-name { permit | deny } node
node-number
node-number
Remove the specified
route-policy
route-policy
undo route-policy route-policy-name [ permit | deny | node
node-number ]
node-number ]