Extreme networks Summit1 Manuale Utente

9-18

S

UMMIT

 S

WITCH

 I

NSTALLATION

 

AND

 U

SER

 G

UIDE

IP U

NICAST

 R

OUTING

R

ESETTING

 

AND

 D

ISABLING

 R

OUTER

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ETTINGS

To return router settings to their defaults and disable routing functions, use the 
commands listed in 

.

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.

Table 9-5: Router Reset and Disable Commands

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]

Removes the dynamic entries in the IP 
forwarding database.

disable bootp vlan [<name> | all]

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 
<name> | all}

Disables routing of broadcasts to other networks.

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.

Table 9-4: Router Show Commands (continued)

Summit.bk : 9ROUT.FM  Page 18  Thursday, June 18, 1998  9:27 AM