TABLE 2
IP global parameters - Layer 3 switches (continued)
Parameter
Description
Default
NOTE
You also can enable or disable this
parameter on an individual interface
basis.
Directed broadcast mode
The packet format the router treats as a directed
broadcast. The following formats can be directed
broadcasts:
•
All ones in the host portion of the
packet destination address.
•
All zeroes in the host portion of the
packet 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 Layer 3 switch can send the
following types of ICMP messages:
•
Echo messages (ping messages)
•
Destination Unreachable messages
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.
Disabled
Reverse ARP (RARP)
An IP mechanism a host can use to request an
IP address from a directly attached router when
the host boots.
Enabled
Static RARP entries
An IP address you place in the RARP table for
RARP requests from hosts.
NOTE
You must enter the RARP entries
manually. The Layer 3 switch does
not have a mechanism for learning or
dynamically generating RARP
entries.
No entries
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 clients for network booting.
Four
Domain name for Domain Name Server (DNS)
resolver
A domain name (for example,
brocade.router.com) you can use in place of an
None configured
Basic IP parameters and defaults - Layer 3 switches
FastIron Ethernet Switch Layer 3 Routing
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