Configuration Example For Enabling Interface-Based Frf.12 Fragmentation - Cisco 10000 Series Configuration Manual
Quality of service configuration guide
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FRF.12 Fragmentation
Command
Step 6
Router(config-if)# frame-relay fragment
fragment_size end-to-end
Step 7
Router(config-if)# service-policy {input |
output} policy-map-name
Configuration Example for Enabling Interface-Based FRF.12 Fragmentation
Example 16-14
FRF.12 fragmentation is enabled on the main serial interface 5/0/0/1:0 and the fragment size is set at 200
bytes. The service policy named Premium is attached to the main interface in the outbound direction.
The main interface has two subinterfaces: serial subinterface 5/0/0/1:0.1 with DLCI 27 and
subinterface 5/0/0/1:0.2 with DLCI 28.
Example 16-14 Enabling Interface-Based Fragmentation
Router(config)# interface serial 5/0/0/1:0
Router(config-if)# hold-queue 4096 in
Router(config-if)# no ip address
Router(config-if)# no ip directed-broadcast
Router(config-if)# encapsulation frame-relay
Router(config-if)# frame-relay fragment 200 end-to-end
Router(config-if)# service-policy output Premium
Router(config-if)# interface serial 5/0/0/1:0.1 point-to-point
Router(config-subif)# ip address 192.168.1.1 255.255.255.0
Router(config-subif)# no ip directed broadcast
Router(config-subif)# frame-relay interface-dlci 27
Router(config-subif)# interface serial 5/0/0/1:0.2 point-to-point
Router(config-subif)# ip address 192.16.2.1 255.255.255.0
Router(config-subif)# no ip directed broadcast
Router(config-subif)# frame-relay interface-dlci 28
Cisco 10000 Series Router Quality of Service Configuration Guide
16-58
Chapter 16
Purpose
Enables the fragmentation of Frame Relay frames on a Frame
Relay interface.
fragment_size specifies the number of payload bytes from the
original Frame Relay frame that go into each fragment. This
number excludes the Frame Relay header of the original frame.
Valid values are from 16 to 1600 bytes. However, the minimum
supported fragment size is 44 bytes. There is no default value.
Applies the service policy you specify to the map class.
input indicates to apply the service policy to the traffic on the
inbound interface.
output indicates to apply the service policy to the traffic on the
outbound interface.
Note
policy-map-name is the name of the policy map.
shows how to enable FRF.12 Fragmentation on an interface. In the example, end-to-end
Fragmenting and Interleaving Real-Time and Nonreal-Time Packets
For QoS policies containing the bandwidth, priority,
random-detect, queue-limit, and shape commands, you
must specify the output keyword. The router ignores
these commands when you use them with the input
keyword.
OL-7433-09
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