Chapter 19 Ipv6 Pbr Configuration; Introduction To Pbr(Policy-Based Router); Pbr Configuration Task Sequence - Planet XGS3-42000R User Manual

Chapter 19 IPv6 PBR Configuration

19.1 Introduction to PBR(Policy-based Router)

Policy-based routing provides a more powerful control over the forwarding and store of messages than
traditional routing protocol to network managers. Traditionally, routers use the routing table derived from
router protoc ol, and forward according to destination addresses. The policy-based router is more powerful
and more flexible than the traditional one, because it enables network managers to choose the forwarding
route not only according to destination addresses but also the size of messages, or source IP addresses.
Policy can be defined as according to the balance of load in multiple rout ers or according t o the quality of
service (QOS) of the total flow forwarded in each line.
PBR (Policy-Ba sed Routing) is a method which politically specifies the next hop when forwarding a data
packet according to the source address, destination address, IP priority, TOS value, IP protocol, source port,
destination port and other information of an IP packet.

19.2 PBR Configuration Task Sequence

1. Enable PBR function
2. Configure a class-map
3. Set the match standard in the class-map
4. Configure a policy-map
5. Configure to correlate a policy and a class-map
6. Configure the next hop IP v6 address
7. Configure the port binding policy map
1. Enable PBR function
Global Configuration Mode
mls qos
no mls qos
2. Configure a class-map
Global Configuration Mode
class-map <class-map-name>
no class-map <class-map-name>
3. Set the match standard in the class-map
Class-map Mode
match ipv6 {acce ss-group
<acl-index-or-nam e>}
no match ipv6 {acce ss-group }
Command
Command
Command
Explanation
Globally enable or disable PBR function.
Explanation
Create or delete a class-map.
Explanation
Set the match standard in the class-map.
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