Class of Service (CoS)
65
The
<0-100>
value is the percentage of port speed. For example, a value of 20 means the port
speed for egress traffic is at 20% of the maximum rate. The
<rate 0-10000000>
is the
absolute bandwidth value of the port in kilobits per second in increments of 64 kbps. The
default bandwidth value is 0, meaning no upper limit is enforced, which allows the interface to
transmit up to its maximum line rate.
The bandwidth value is independent of any per-queue maximum bandwidth value(s) in effect
for the interface and should be considered as a second-level transmission rate control
mechanism that regulates the output of the entire interface regardless of which queues
originate the outbound traffic.
Format
traffic-shape {<0-100> | rate <0-10000000>}
Modes
Global Config
Interface Config
rate-limit
This command allows you to limit the rate of ingress traffic arriving on the port. You can set
the rate on a per-port basis or on all ports. The
<0-100>
value is the percentage of bandwidth
to limit. For example, a value of 20 means that the port speed for ingress traffic is at 20% of
the maximum rate. The
<rate 0-10000000>
value is the absolute bandwidth value in
increments of 64 kbps.
The default ingress rate shaping value is 0, meaning no upper limit is enforced, which allows
the port to accept up to its maximum traffic rate.
Default
0
Format
rate-limit {<0-100> | rate <0-10000000>}
Modes
Global Config
Interface Config
To verify the traffic-shape and rate limit values, from Privileged Exec mode enter:
show interfaces cos-queue
- shows traffic-shape value for all interfaces
show interface cos-queue <slot/port>
- shows traffic-shape value for the specified
interface.
Example #4 (Interface Config) traffic-shape
(Console) #config
(Console) (Config)#interface 0/1
(Console) (Interface 0/1)#traffic-shape 60
(Console) (Interface 0/1)#exit
(Console) (Config)#exit
Example #5 show interfaces cos-queue slot/port
(Console) #show interfaces cos-queue 0/1
Interface...................................... 0/1
Interface Rate Limit........................... 0 percent
Interface Shaping Rate......................... 60 percent
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