Does svc-icmp mean all of this:
administratively-proh.. Administratively prohibited
alternate-address Alternate address
conversion-error Datagram conversion
dod-host-prohibited Host prohibited
dod-net-prohibited Net prohibited
echo Echo (ping)
general-parameter-pro.. Parameter problem
host-isolated Host isolated
host-precedence-unrea.. 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-request Information requests
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
port-unreachable Port unreachable
precedence Match packets with given precedence value
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 exceededs
timestamp-request Timestamp requests
traceroute Traceroute
ttl-exceeded TTL exceeded
unreachable All unreachables
Or is it a subset of the common stuff (echo, traceroute, unreachable)?