Deny Icmp - Dell Force10 S4810P Reference Manual

Version 7.4.1.0
Version 6.5.1.0
Usage
The order option is relevant in the context of the Policy QoS feature only. For more
Information
information, refer to the Quality of Service chapter of the
The monitor option is relevant in the context of flow-based monitoring only. For more
information, refer to the
When you use the log option, the CP processor logs details the packets that match.
Depending on how many packets match the log entry and at what rate, the CP may become
busy as it has to log these packets' details.
You cannot include IP, TCP or UDP (Layer 3) filters in an ACL configured with ARP or Ether-type
(Layer 2) filters. Apply Layer 2 ACLs (ARP and Ether-type) to Layer 2 interfaces only.

deny icmp

Configure a filter to drop all or specific internet control message protocol (ICMP) messages.
E-Series, Z-Series, S4810
Syntax deny icmp {source mask | any | host ip-address} {destination
mask | any | host ip-address} [dscp] [message-type] [count
[byte] | log] [order] [monitor] [fragments]
To remove this filter, you have two choices:
Parameters
source
mask
any
host
destination
dscp
Added the monitor option.
Expanded to include the optional QoS order priority for the ACL
entry.
Port Monitoring
NOTE: When ACL logging and byte counters are configured simultaneously, byte counters
may display an incorrect value. Configure packet counters with logging instead.
• Use the no seq sequence-number command if you know the filter's sequence
number.
• Use the no deny icmp {source mask | any | host ip-address}
{destination mask | any | host ip-address} command.
Enter the IP address of the network or host from which the 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.
ip-address
Enter the keyword host and then enter the IP address to specify a
host IP address.
Enter the IP address of the network or host to which the packets are
sent.
Enter this keyword dscp to deny a packet based on the DSCP value.
The range is 0 to 63.
FTOS Configuration Guide .
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