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164 Summit 300-48 Switch Software User Guide
IP Unicast Routing
Configuring DHCP/BOOTP Relay
Once IP unicast routing is configured, you can configure the switch to forward Dynamic Host
Configuration Protocol (DHCP) or BOOTP requests coming from clients on subnets being serviced by
the switch and going to hosts on different subnets. This feature can be used in various applications,
including DHCP services between Windows NT servers and clients running Windows 95. To configure
the relay function, follow these steps:
1 Configure VLANs and IP unicast routing.
2 Enable the DHCP or BOOTP relay function, using the following command:
enable bootprelay
disable icmp address-mask {vlan <name>} Disables the generation of an ICMP
address-mask reply messages. If a VLAN is not
specified, the command applies to all IP
interfaces.
disable icmp parameter-problem {vlan
<name>}
Disables the generation of ICMP
parameter-problem messages. If a VLAN is not
specified, the command applies to all IP
interfaces.
disable icmp port-unreachables {vlan
<name>}
Disables the generation of ICMP port
unreachable messages. If a VLAN is not
specified, the command applies to all IP
interfaces.
disable icmp redirects {vlan <name>} Disables the generation of ICMP redirect
messages. If a VLAN is not specified, the
command applies to all IP interfaces.
disable icmp time-exceeded {vlan <name>} Disables the generation of ICMP time exceeded
messages. If a VLAN is not specified, the
command applies to all IP interfaces.
disable icmp timestamp {vlan <name>} Disables the generation of ICMP timestamp
response messages. If a VLAN is not specified,
the command applies to all IP interfaces.
disable icmp unreachables {vlan <name>} Disables the generation of ICMP network
unreachable messages and host unreachable
messages. If a VLAN is not specified, the
command applies to all IP interfaces.
disable icmp useredirects Disables the changing of routing table information
when an ICMP redirect message is received.
disable ipforwarding {vlan <name>} Disables routing for one or all VLANs.
disable ipforwarding broadcast {vlan
<name>}
Disables routing of broadcasts to other networks.
disable irdp {vlan <name>} Disables the generation of router advertisement
messages on one or all VLANs.
unconfig icmp Resets all ICMP settings to the default values.
unconfig irdp Resets all router advertisement settings to the
default values.
Table 60: Router Reset and Disable Commands (continued)
Command Description