S e n d c o m m e n t s t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
6-21
Cisco Nexus 5000 Series Command Reference
OL-16599-01
Chapter 6 Security Commands
deny (IPv4)
The following example shows how to specify the
source
argument with the
host
keyword and the
192.168.67.132 IPv4 address:
switch(config-acl)#
deny icmp host 192.168.67.132 any
•
Any address—You can use the
any
keyword to specify that a source or destination is any IPv4
address. For examples of the use of the
any
keyword, see the examples in this section. Each example
shows how to specify a source or destination by using the
any
keyword.
ICMP Message Types
The
icmp-message
argument can be the ICMP message number, which is an integer from 0 to 255. It can
also be one of the following keywords:
•
administratively-prohibited
—Administratively prohibited
•
alternate-address
—Alternate address
•
conversion-error
—Datagram conversion
•
dod-host-prohibited
—Host prohibited
•
dod-net-prohibited
—Net prohibited
•
echo
—Echo (ping)
•
echo-reply
—Echo reply
•
general-parameter-problem
—Parameter problem
•
host-isolated
—Host isolated
•
host-precedence-unreachable
—Host unreachable for precedence
•
host-redirect
—Host redirect
•
host-tos-redirect
—Host redirect for ToS
•
host-tos-unreachable
—Host unreachable for ToS
•
host-unknown
—Host unknown
•
host-unreachable
—Host unreachable
•
information-reply
—Information replies
•
information-request
—Information requests
•
mask-reply
—Mask replies
•
mask-request
—Mask requests
•
mobile-redirect
—Mobile host redirect
•
net-redirect
—Network redirect
•
net-tos-redirect
—Net redirect for ToS
•
net-tos-unreachable
—Network unreachable for ToS
•
net-unreachable
—Net unreachable
•
network-unknown
—Network unknown
•
no-room-for-option
—Parameter required but no room
•
option-missing
—Parameter required but not present
•
packet-too-big
—Fragmentation needed and DF set
•
parameter-problem
—All parameter problems