ProCurve 2610-PWR Informations techniques télécharger pdf (Page 272)

IP Routing Features

Configuring IP Parameters for Routing Switches

To enable forwarding of IP directed broadcasts, enter the following CLI

command:

ProCurve(config)# ip directed-broadcast

Syntax: [no] ip directed-broadcast

ProCurve software makes the forwarding decision based on the routing

switch's knowledge of the destination network prefix. Routers cannot deter-

mine that a message is unicast or directed broadcast apart from the destina-

tion network prefix. The decision to forward or not forward the message is by

definition only possible in the last hop router.

To disable the directed broadcasts, enter the following CLI command:

ProCurve(config)# no ip directed-broadcast

Configuring ICMP

You can configure the following ICMP limits:

■ Burst-Normal – The maximum number of ICMP replies to send per

second.

■ Reply Limit – You can enable or disable ICMP reply rate limiting.

Disabling ICMP Messages

ProCurve devices are enabled to reply to ICMP echo messages and send ICMP

Destination Unreachable messages by default.

You can selectively disable the following types of Internet Control Message

Protocol (ICMP) messages:

■ Echo messages (ping messages) – The routing switch replies to IP pings

from other IP devices.

■ Destination Unreachable messages – If the routing switch receives an

IP packet that it cannot deliver to its destination, the routing switch

discards the packet and sends a message back to the device that sent the

packet to the routing switch. The message informs the device that the

destination cannot be reached by the routing switch.

■ Address Mask replies – You can enable or disable ICMP address mask

replies.

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ProCurve 2610-PWR Informations techniques Page 272