Configuring ICMP Redirects
SecureStack C3 Configuration Guide
19-23
Configuring ICMP Redirects
Purpose
Disable
or
enable
sending
ICMP
redirect
packets
to
the
switch
CPU
for
processing,
at
a
global
level
and
at
an
interface
level.
By
default,
sending
ICMP
redirects
is
enabled
globally
and
on
all
interfaces.
Disabling
sending
ICMP
redirects
can
reduce
CPU
usage
in
certain
deployments.
Commands
ip icmp redirect enable
Use
this
command
to
enable
or
disable
sending
ICMP
redirects
to
the
CPU
for
processing
on
a
global
level
or
on
a
specific
interface.
The
no
form
of
this
command
disables
sending
ICMP
redirects
to
the
CPU.
Syntax
ip icmp redirect enable
no ip icmp redirect enable
Parameters
None.
Defaults
By
default,
sending
ICMP
redirects
to
the
CPU
is
enabled
globally
and
on
all
interfaces.
Mode
Router
global
configuration
mode:
C3(su)
‐
>router(Config)#
Interface
configuration
mode:
C3(su)
‐
>Router1(Config
‐
if(Vlan
1))#
Usage
You
can
use
this
command
in
router
global
configuration
mode
to
enable
or
disable
sending
ICMP
redirects
globally
on
the
switch.
You
can
use
this
command
in
router
interface
configuration
mode
to
enable
or
disable
sending
ICMP
redirects
only
on
specific
interfaces.
Examples
This
example
disables
sending
ICMP
redirects
on
the
interface
VLAN
5.
C3(su)->router#configure
C3(su)->router(Config)#interface vlan 5
C3(su)->Router1(Config-if(Vlan 5))# no ip icmp redirect enable
For information about...
Refer to page...
ip icmp redirect enable
19-23
show ip icmp redirect
19-24
Summary of Contents for SECURESTACK C3
Page 2: ......
Page 34: ...xxxii...
Page 40: ...Getting Help xxxviii About This Guide...
Page 126: ...clear license 4 6 Activating Licensed Features...
Page 132: ...set port inlinepower 5 6 Configuring System Power and PoE...
Page 228: ...clear port protected name 7 60 Port Configuration...
Page 270: ...clear snmp interface 8 42 SNMP Configuration...
Page 396: ...clear port txq 12 10 Port Priority Configuration...
Page 414: ...ip igmp robustness 13 18 IGMP Configuration...
Page 542: ...clear arpinspection statistics 17 32 DHCP Snooping and Dynamic ARP Inspection...
Page 546: ...Enabling Router Configuration Modes 18 4 Preparing for Router Mode...
Page 640: ...traceroute ipv6 21 10 IPv6 Management...
Page 698: ...show ipv6 dhcp binding 24 20 DHCPv6 Configuration...
Page 746: ...show ipv6 ospf virtual link 25 48 OSPFv3 Configuration...
Page 834: ...ip access group 26 88 Authentication and Authorization Configuration...
Page 848: ...TACACS Configuration clear tacacs interface 27 14...
Page 866: ...sFlow Configuration show sflow agent 28 18...
Page 872: ...Index 4...