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796 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Basic IP parameters and defaults – Layer 3 Switches
26
IP interface parameters – Layer 3 Switches
Table 145 lists the interface-level IP parameters for Layer 3 Switches.
TABLE 145 IP interface parameters – Layer 3 Switches
Parameter Description Default See page...
IP state The Internet Protocol, version 4 Enabled
NOTE: You cannot
disable IP.
n/a
IP address A Layer 3 network interface address
NOTE: Layer 2 Switches have a single IP address
used for management access to the entire
device. Layer 3 Switches have separate IP
addresses on individual interfaces.
None configured
1
page 799
Encapsulation type The format of the packets in which the router
encapsulates IP datagrams. The encapsulation
format can be one of the following:
• Ethernet II
• SNAP
Ethernet II page 806
Maximum
Transmission Unit
(MTU)
The maximum length (number of bytes) of an
encapsulated IP datagram the router can forward.
1500 for Ethernet II
encapsulated packets
1492 for SNAP
encapsulated packets
page 808
ARP age Locally overrides the global setting. Refer to
Table 144 on page 793.
Ten minutes page 812
Metric A numeric cost the router adds to RIP routes
learned on the interface. This parameter applies
only to RIP routes.
1 (one) page 910
Directed broadcast
forwarding
Locally overrides the global setting. Refer to
Table 144 on page 793.
Disabled page 815
ICMP Router
Discovery Protocol
(IRDP)
Locally overrides the global IRDP settings. Refer to
Table 144 on page 793.
Disabled page 834
DHCP gateway
stamp
The router can assist DHCP/BootP Discovery
packets from one subnet to reach DHCP/BootP
servers on a different subnet by placing the IP
address of the router interface that receives the
request in the request packet Gateway field.
You can override the default and specify the IP
address to use for the Gateway field in the
packets.
NOTE: UDP broadcast forwarding for client
DHCP/BootP requests (bootps) must be
enabled (this is enabled by default) and
you must configure an IP helper address
(the server IP address or a directed
broadcast to the server subnet) on the port
connected to the client.
The lowest-numbered IP
address on the interface
that receives the
request
page 840
DHCP Client-Based
Auto-Configuration
Allows the switch to obtain IP addresses from a
DHCP host automatically, for either a specified
(leased) or infinite period of time.
Enabled page 854