Relationship between the match mode and clauses – H3C Technologies H3C SR8800 User Manual
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Table 6 Priorities of the apply clauses in a policy node
Clause Meaning Priority
apply access-vpn
vpn-instance
Sets VPN instances.
If this clause is configured, other apply clauses,
except the apply ip-df zero clause, will not be
executed.
If a packet matches a forwarding entry of a
specified VPN instance, it is forwarded in the VPN
instance; if it does not match any entry in all VPN
instances specified, it is discarded.
apply
ip-precedence
Sets an IP precedence.
If configured for public network forwarding—the
apply access-vpn vpn-instance clause is not
configured, this clause will always be executed.
apply ip-address
next-hop
Sets the next hop.
If configured for public network forwarding—the
apply access-vpn vpn-instance clause is not
configured—and the configured next hop is valid,
this clause will be executed.
apply ip-address
default next-hop
Sets the default next hop.
This clause takes effect only when no next hop is
defined for packets, or the defined next hop is
invalid and the destination address does not
match any route in the routing table.
NOTE:
If a directly connected next hop is configured for PBR and the ARP entry of the next hop can be learned,
the next hop is considered valid; otherwise, it is considered invalid.
Relationship between the match mode and clauses
If a packet…
Then…
In permit mode
In deny mode
Matches all the if-match clauses
on a policy node
The apply clause is executed, and
the packet will not go to the next
policy node for a match.
The apply clause is not executed, the
packet will not go to the next policy
node for a match, and will be
forwarded according to the routing
table.
Fails to match an if-match clause
on the policy node
The apply clause is not executed,
and the packet will go to the next
policy node for a match.
The apply clause is not executed,
and the packet will go to the next
policy node for a match.
The nodes of a policy are in an OR relationship. If a packet matches a node, it passes the policy; if the
packet does not match any node of the policy, it fails to pass the policy and is forwarded according to
the routing table.
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