381
apply default-next-hop
Table 23 Priorities and meanings of apply clauses
apply precedence
Sets an IP precedence. This clause is always executed.
apply next-hop
and
apply
output-interface
Sets next hops and sets
output interfaces.
Only the
apply next-hop
clause is executed
when both are configured.
apply service-chain
Sets the service chain
information.
For this clause to take effect, make sure you
have specified a reachable next hop in the
apply next-hop
clause.
apply default-next-hop
Sets the default next
hop.
This clause takes effect only when no next hop
is set or the next hop is invalid, and the packet
does not match any route in the routing table.
Relationship between the match mode and clauses on the node
Does a packet match
all the if-match clauses
Permit Deny
Yes.
• If the node is configured with
apply clauses, PBR executes the
apply clauses on the node.
ï‚¡ If the PBR-based forwarding
succeeds, PBR does not
compare the packet with the
next node.
ï‚¡ If the PBR-based forwarding
fails, PBR does not compare
the packet with the next node.
• If the node is configured with no
apply clauses, the packet is
forwarded according to the routing
table.
The packet is forwarded according
to the routing table.
No.
PBR compares the packet with the next
node.
PBR compares the packet with the
next node.
A node that has no if-match clauses matches any packet.
PBR and Track
PBR can work with the Track feature to dynamically adapt the availability status of an apply clause to
the link status of a tracked next hop or default next hop.
When the track entry associated with an object changes to Negative, the apply clause is
invalid.
When the track entry changes to Positive or NotReady, the apply clause is valid.
For more information about Track-PBR collaboration, see High Availability Configuration Guide.
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