Brocade Multi-Service IronWare Switching Configuration Guide (Supporting R05.6.00) User Manual

Page 738

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708

Multi-Service IronWare Switching Configuration Guide

53-1003036-02

Basic IP parameters and defaults

19

Directed
broadcast
mode

The packet format the router treats as a directed
broadcast. The following formats can be directed
broadcast:

All ones in the host portion of the packet’s
destination address.

All zeroes in the host portion of the packet’s
destination address.

All ones
NOTE: If you enable

all-zeroes
directed
broadcasts,
all-ones
directed
broadcasts
remain
enabled.

Source-routed
packet
forwarding

A source-routed packet contains a list of IP addresses
through which the packet must pass to reach its
destination.

Enabled

Internet Control
Message
Protocol (ICMP)
messages

The Brocade device can send the following types of ICMP
messages:

Echo messages (ping messages)

Destination Unreachable messages

Redirect messages

NOTE: You also can enable or disable ICMP Redirect

messages on an individual interface basis. Refer
to

Table 87

.

Enabled

ICMP Router
Discovery
Protocol (IRDP)

An IP protocol a router can use to advertise the IP
addresses of its router interfaces to directly attached
hosts. You can enable or disable the protocol, and
change the following protocol parameters:

Forwarding method (broadcast or multicast)

Hold time

Maximum advertisement interval

Minimum advertisement interval

Router preference level

NOTE: You also can enable or disable IRDP and

configure the parameters on an individual
interface basis. Refer to

Table 87

.

Disabled

Maximum
BootP relay
hops

The maximum number of hops away a BootP server can
be located from a router and still be used by the router’s
clients for network booting.

Four

Maximum
Frame Size

You can set a maximum frame size of all Ethernet frames
that are forwarded by the system.

Domain name
for Domain
Name Server
(DNS) resolver

A domain name (example: brocade.router.com) you can
use in place of an IP address for certain operations such
as IP pings, trace routes, and Telnet management
connections to the device.

None configured

DNS default
gateway
addresses

A list of gateways attached to the device through which
clients attached to the device can reach DNS.

None configured

TABLE 86

IP global parameters (Continued)

Parameter

Description

Default

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