Dell C9000 series, Reference Manual

Page: 292 / 2286

deny icmp
To drop all or specific internet control message protocol (ICMP) messages, configure a filter.
C9000 Series
Syntax
deny icmp { source–ip—address mask | any | host ip-address }
{ destination mask | any | host ip-address } [log] [dscp] [[count
[bytes]] [order] [monitor] [fragments]
To remove this filter, you have two choices:
• Use the
no seq sequence-number
command if you know the filter’s sequence
number.
• Use the
no deny icmp { source–ip—address mask | any | host ip-
address } { destination mask | any | host ip-address }
command.
Parameters
source-ip-address Enter the IP address of the network or host from which the
packets were sent.
mask Enter a network mask in /prefix format (/x) or A.B.C.D. The mask,
when specified in A.B.C.D format, may be either contiguous or
non-contiguous.
any Enter the keyword
any
to specify that all routes are subject to
the filter.
host ip-address Enter the keyword
host
then the IP address to specify a host IP
address.
destination Enter the IP address of the network or host to which the packets
are sent.
log (OPTIONAL) Enter the keyword
log
to include ACL matches in
the log.
dscp Enter this keyword
dscp
to deny a packet based on the DSCP
value. The range is from 0 to 63.
count (OPTIONAL) Enter the keyword
count
to count packets
processed by the filter.
bytes (OPTIONAL) Enter the keyword
bytes
to count bytes processed
by the filter.
order (OPTIONAL) Enter the keyword
order
to specify the QoS
priority for the ACL entry. The range is from 0 to 254 (where 0 is
the highest priority and 254 is the lowest; lower order numbers
have a higher priority) If you did not use the keyword
order
, the
ACLs have the lowest order by default (255).
Access Control Lists (ACL) 292