Hp 2910AL User Manual download pdf (Page 313)

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101

Port Traffic Controls

Rate-Limiting

Feature Default Menu CLI Web

rate-limit all none n/a page 13-3 n/a

show rate-limit all n/a n/a page 13-5 n/a

All Traffic Rate-Limiting

Rate-limiting for all traffic operates on a per-port basis to allow only the

specified bandwidth to be used for inbound or outbound traffic. When traffic

exceeds the configured limit, it is dropped. This effectively sets a usage level

on a given port, and is a tool for enforcing maximum service level commit-

ments granted to network users. This feature operates on a per-port level and

is not configurable on port trunks. Note that rate-limiting is designed to be

applied at the network edge to limit traffic from non-critical users or to enforce

service agreements such as those offered by Internet Service Providers (ISPs)

to provide only the bandwidth for which a customer has paid.

Note Rate-limiting also can be applied by a RADIUS server during an authentication

client session. For further details, refer to the chapter titled “RADIUS Authen-

tication and Accounting” in the Access Security Guide for your switch.

Caution Rate-limiting is intended for use on edge ports in a network. It is not

recommended for use on links to other switches, routers, or servers

within a network, or for use in the network core. Doing so can

interfere with applications the network requires to function properly.

Configuring Rate-Limiting

The rate-limit all command controls the rate of traffic sent or received on a

port by setting a limit on the bandwidth available. It includes options for:

■ Rate-limiting on either inbound or outbound traffic.

■ Specifying the traffic rate as either a percentage of bandwidth, or in terms

of bits per second.

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