permit icmp
Configure a filter to allow all or specific ICMP messages.
Z9500
Syntax
permit icmp {
source mask
| any | host
ip-address
} {
destination
mask
| any | host
ip-address
} [dscp] [count [bytes]] [order]
[fragments] [log [interval
minutes
] [threshold-in-msgs [count]]
[monitor]
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 permit icmp {
source mask
| any | host
ip-address
}
{
destination mask
| any | host
ip-address
}
command.
Parameters
source
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 noncontiguous.
any
Enter the keyword
any
to match and drop specific Ethernet
traffic on the interface.
host
ip-address
Enter the keyword
host
and then enter 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.
dscp
Enter the keyword
dscp
to deny a packet based on the
DSCP value. The range is 0 to 63.
count
(OPTIONAL) Enter the keyword
count
to count packets the
filter processes.
bytes
(OPTIONAL) Enter the keyword
byte
to count bytes the filter
processes.
order
(OPTIONAL) Enter the keyword
order
to specify the QoS
priority for the ACL entry. The range is 0 to 254 (where 0 is
the highest priority and 254 is the lowest; lower-order
numbers have a higher priority). If you do not use the
keyword
order
, the ACLs have the lowest order by default
(255).
fragments
Enter the keyword
fragments
to use ACLs to control packet
fragments.
log
(OPTIONAL) Enter the keyword
log
to include ACL
messages in the log.
250
Access Control Lists (ACL)
