Huawei Quidway NetEngine80E Configuration Manual page 452

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
Default routes are advertised to the OSPFv3 route area.
Step 7 (Optional) Run any of the following commands as required:
l Configure a basic ACL:
l Configure an advanced ACL:
Issue 02 (2014-09-30)
1. Run:
filter-policy { acl6-number | acl6-name acl6-name } export [ protocol
[ process-id ] ]
The imported external routes are filtered.
2. Run:
quit
Return to the system view.
3. Run
acl ipv6 { [ number ] acl6-number1 | name acl-name [ number acl-number2 ] }
[ match-order { auto | config } ]
The basic ACL view is displayed.
4. Run
rule [ rule-id ] { deny | permit } [ fragment | source { source-ipv6-
address prefix-length | source-ipv6-address/prefix-length | any } | time-
range time-name | vpn-instance vpn-instance-name ]
A rule is configured for the basic ACL.
When the rule command is run to configure rules for a named ACL, only the source
address range specified by source and the time period specified by time-range are valid
as the rules.
When a filtering policy of a routing protocol is used to filter routes:
– If the action specified in an ACL rule is permit, a route that matches the rule will
be received or advertised by the system.
– If the action specified in an ACL rule is deny, a route that matches the rule will not
be received or advertised by the system.
– If a route has not matched any ACL rules, the route will not be received or advertised
by the system.
– If an ACL does not contain any rules, all routes matching the route-policy that
references the ACL will not be received or advertised by the system.
– If the ACL referenced by the route-policy does not exist, all routes matching the
route-policy will be received or advertised by the system.
– In the configuration order, the system first matches a route with a rule that has a
smaller number and then matches the route with a rule with a larger number. Routes
can be filtered using a blacklist or a whitelist:
Route filtering using a blacklist: Configure a rule with a smaller number and specify
the action deny in this rule to filter out the unwanted routes. Then, configure another
rule with a larger number in the same ACL and specify the action permit in this rule
to receive or advertise the other routes.
Route filtering using a whitelist: Configure a rule with a smaller number and specify
the action permit in this rule to permit the routes to be received or advertised by the
system. Then, configure another rule with a larger number in the same ACL and
specify the action deny in this rule to filter out unwanted routes.
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6 OSPFv3 Configuration
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