ip route
Syntax
ip route <DEST-IPV4-ADDR>/<NETMASK> [<NEXT-HOP-IP-ADDR>|<INTERFACE>|reject|blackhole]
no ip route <DEST-IPV4-ADDR>/<NETMASK> [<NEXT-HOP-IP-ADDR>|<INTERFACE>|reject|blackhole]
Description
Adds an IPv4 static route.
The
no
form of this command deletes the IPv4 static route.
Command context
config
Parameters
<DEST-IPV4-ADDR>/<NETMASK>
Specifies the IPv4 route destination.
<NEXT-HOP-IP-ADDR>
Specifies the next hop IPv4 address for reaching the destination. Format: A.B.C.D
<INTERFACE>
Specifies the next hop as an outgoing interface.
blackhole
Specifies that packets matching the destination route are silently discarded and no ICMP error notification is sent to the sender.
reject
Specifies that packets matching the destination route are discarded and an ICMP error notification is sent to the sender.
Authority
Administrators
Examples
switch(config)# ip route 10.0.0.0/24 blackhole switch(config)# ip route 10.0.1.0/24 reject switch(config)# ip route 10.0.2.0/24 20.0.0.2 switch(config)# ip route 10.0.3.0/24 1/1/1
switch# configure terminal switch(config)# no ip route 10.0.0.0/24 blackhole switch(config)# no ip route 10.0.1.0/24 reject switch(config)# no ip route 10.0.2.0/24 20.0.0.2 switch(config)# no ip route 10.0.3.0/24 1/1/1