IP UNICAST ROUTING

Table 9-4:Router Show Commands (continued)

Command

Description

show ipfdb {<ipaddress> <netmask> vlan <name> all}

Displays the contents of the IP forwarding database table. Used for technical support purposes.

show iproute vlan {<name> all permanent <ipaddress> <mask>}

Displays the contents of the IP routing table.

RESETTING AND DISABLING ROUTER SETTINGS

To return router settings to their defaults and disable routing functions, use the commands listed in Table 9-5.

Table 9-5:Router Reset and Disable Commands

Command

Description

 

 

clear iparp [<ipaddress> vlan <name> all]

Removes dynamic entries in the IP ARP table.

 

Permanent IP ARP entries are not affected.

clear ipfdb [<ipaddress> <netmask> vlan <name> all]

disable bootp vlan [<name> all]

Removes the dynamic entries in the IP forwarding database.

Disables the generation and processing of BOOTP packets.

disable bootprelay

Disables the forwarding of BOOTP requests.

disable icmp redirects {vlan <name> all}

Disables the generation of ICMP redirects on one

 

or more VLANs.

disable icmp unreachables

Disables the generation of ICMP unreachable

 

messages on one or more VLANs.

disable icmp useredirects

Disables the changing of routing table information

 

when an ICMP redirect message is received.

disable ipforwarding {vlan <name> all}

Disables routing for one or more VLANs.

disable ipforwarding broadcast {vlan

Disables routing of broadcasts to other networks.

<name> all}

 

disable irdp {vlan <name> all}

Disables the generation of router advertisement

 

messages on one or more VLANs.

unconfig icmp

Resets all ICMP settings to the default values.

unconfig irdp

Resets all router advertisement settings to the

 

default values.

 

 

9-18

SUMMIT SWITCH INSTALLATION AND USER GUIDE

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Extreme Networks Summit1 manual Resetting and Disabling Router Settings, 5Router Reset and Disable Commands