Reference Guide

ICMP Message Type
Keywords
ICMP Message Type Name
packet-too-big Fragmentation needed and DF set
parameter-problem All parameter problems
port-unreachable Port unreachable
precedence-
unreachable
Precedence cutoff
protocol-
unreachable
Protocol unreachable
reassembly-timeout Reassembly timeout
redirect All redirects
router-
advertisement
Router discovery advertisements
router-solicitation Router discovery solicitations
source-quench Source quenches
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.
Z9000
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.
173