IP Routing Features
Overview of IP Routing
Parameter Description Default See page
ICMP Router
Discovery
Protocol (IRDP)
An IP protocol that a router can use to advertise the IP addresses of its
router interfaces to directly attached hosts. You can enable or disable
the protocol at the Global CLI Config level.
You also can enable or disable IRDP and configure the following
protocol parameters on an individual VLAN interface basis at the VLAN
Interface CLI Config level.
• Forwarding method (broadcast or multicast)
• Hold time
• Maximum advertisement interval
• Minimum advertisement interval
• Router preference level
Disabled 7-22
7-23
Static route An IP route you place in the IP route table. No entries 7-16
Default
network route
The router uses the default network route if the IP route table does not
contain a route to the destination. For the Switch 5300XL Series devices,
enter an explicit default route (0.0.0.0 0.0.0.0 or 0.0.0.0/0) as a static route
in the IP route table.
None
configured
7-18
IP Interface Parameters for Routing Switches
Table 7-2 lists the interface-level IP parameters for routing switches.
Table 7-2. IP Interface Parameters – Routing Switches
Parameter Description Default See page
IP address A Layer 3 network interface address; separate IP
addresses on individual VLAN interfaces.
None configured chapter 7
ICMP Router
Discovery
Protocol (IRDP)
Locally overrides the global IRDP settings. See table 7-
1 on page 7-6 for global IRDP information.
Disabled 7-23
IP helper address The IP address of a UDP application server (such as a
BootP or DHCP server) or a directed broadcast
address. IP helper addresses allow the routing switch
to forward requests for certain UDP applications from
a client on one sub-net to a server on another sub-net.
None configured 7-27
7-7
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