ICMP Message Type
Keywords
ICMP Message Type Name
source-route-failed
Source route failed
time-exceeded
All time exceeded
timestamp-reply
Timestamp replies
timestamp-request
Timestamp requests
traceroute
Traceroute
ttl-exceeded
TTL exceeded
unreachable
All unreachables
deny tcp
Configure a filter that drops transmission control protocol (TCP) packets meeting the filter criteria.
C-Series, E-Series, S-Series, Z-Series
Syntax
deny tcp {
source mask
| any | host
ip-address
} [
bit
] [
operator
port
[
port
]] {
destination mask
| any | host
ip-address
} [dscp]
[
bit
] [
operator port
[
port
]] [count [byte] | log] [order]
[monitor] [fragments]
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 tcp {
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
are 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 non-
contiguous.
any
Enter the keyword
any
to specify that all routes are subject to the
filter.
host
ip-address
Enter the keyword
host
and then enter the IP address to specify a
host IP address.
dscp
Enter this keyword
dscp
to deny a packet based on the DSCP value.
The range is 0 to 63.
bit
Enter a flag or combination of bits:
•
ack:
acknowledgement field
•
fin:
finish (no more data from the user)
•
psh:
push function
•
rst:
reset the connection
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Summary of Contents for Force10 Z9000
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