Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.5 - Page 195
deny icmp, Syntax, Parameters, count, order, fragments, monitor, no-drop, Defaults, Command Modes
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• ip access-list extended - create an extended ACL. deny icmp To drop all or specific internet control message protocol (ICMP) messages, configure a filter. Syntax deny icmp {source mask | any | host ip-address} {destination mask | any | host ip-address} [ttl operator] [dscp] [count [byte] [order] [fragments] [monitor] [no-drop] 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 mask | any | host ip-address} {destination mask | any | host ip-address} command. Parameters source mask any host ip-address destination ttl operator 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. 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. Enter the keyword ttl to deny a packet based on the time to live value. The range is from 1 to 255. Enter one of the following logical operand: • eq(equal to) - matches packets that contain a ttl value that is equal to the specified ttl value. • neq(not equal to) - matches packets that contain a ttl value that is not equal to the specified ttl value. • gt(greater than) - matches packets that contain a ttl value that is greater than the specified ttl value. • lt (less than) - matches packets that contain a ttl value that is less than the specified ttl value. • range(inclusive range of values) - matches packets that contain a ttl value that falls between the specified range of ttl values. dscp count byte order fragments monitor no-drop 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 byte 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). Enter the keyword fragments to use ACLs to control packet fragments. (OPTIONAL) Enter the keyword monitor to describe the traffic that you want to monitor and the ACL in which you are creating the rule is applied to the monitored interface. For more information, see Flow-based Monitoring in the Port Monitoring section in the Dell EMC Networking OS Configuration Guide. Enter the keywords no-drop to match only the forwarded packets. Defaults Not configured. Command Modes CONFIGURATION-EXTENDED-ACCESS-LIST Access Control Lists (ACL) 195
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