Deny Icmp - Dell C9000 Series Reference Manual

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:
Parameters
source-ip-address Enter the IP address of the network or host from which the
mask
any
host ip-address
destination
log
dscp
count
bytes
order
• 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.
packets were sent.
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.
Enter the keyword any to specify that all routes are subject to
the filter.
Enter the keyword host then the IP address to specify a host IP
address.
Enter the IP address of the network or host to which the packets
are sent.
(OPTIONAL) Enter the keyword log to include ACL matches in
the log.
Enter this keyword dscp to deny a packet based on the DSCP
value. The range is from 0 to 63.
(OPTIONAL) Enter the keyword count to count packets
processed by the filter.
(OPTIONAL) Enter the keyword bytes to count bytes processed
by the filter.
(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