Specifications

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Cisco Internet Streamer CDS 2.0-2.3 Software Configuration Guide
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Chapter 4 Configuring Devices
Configuring the Service Engine
Table 4-36 Keywords for ICMP Message Type and Code
Message Description
administratively-prohibited Messages that are administratively prohibited from being allowed
access.
alternate-address Messages that specify alternate IP addresses.
conversion-error Messages that denote a datagram conversion error.
dod-host-prohibited Messages that signify a Department of Defense (DoD) protocol
Internet host denial.
dod-net-prohibited Messages that specify a DoD protocol network denial.
echo Messages that are used to send echo packets to test basic network
connectivity.
echo-reply Messages that are used to send echo reply packets.
general-parameter-problem Messages that report general parameter problems.
host-isolated Messages that indicate that the host is isolated.
host-precedence-unreachable Messages that have been received with the protocol field of the IP
header set to 1 (ICMP) and the type field in the ICMP header set to
3 (Host Unreachable). This is the most common response. Large
numbers of this datagram type on the network are indicative of
network difficulties or may be indicative of hostile actions.
host-redirect Messages that specify redirection to a host.
host-tos-redirect Messages that specify redirection to a host for type of
service-based (ToS) routing.
host-tos-unreachable Messages that denote that the host is unreachable for ToS-based
routing.
host-unknown Messages that specify that the host or source is unknown.
host-unreachable Messages that specify that the host is unreachable.
information-reply Messages that contain domain name replies.
information-request Messages that contain domain name requests.
mask-reply Messages that contain subnet mask replies.
mask-request Messages that contain subnet mask requests.
mobile-redirect Messages that specify redirection to a mobile host.
net-redirect Messages that are used for redirection to a different network.
net-tos-redirect Messages that are used for redirection to a different network for
ToS-based routing.
net-tos-unreachable Messages that specify that the network is unreachable for the
ToS-based routing.
net-unreachable Messages that specify that the network is unreachable.
network-unknown Messages that denote that the network is unknown.
no-room-for-option Messages that specify the requirement of a parameter, but that no
room is available for it.