RE: ICMP portnumber

From: Victor Cappuccio (Victor.Cappuccio@globalknowledgespain.es)
Date: Tue Feb 05 2008 - 18:44:19 ARST

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Hi,

http://www.faqs.org/rfcs/rfc792.html

R1(config)#ip access-list extended 101
R1(config-ext-nacl)#10 permit icmp any any ?
  <0-255> ICMP message type
  administratively-prohibited Administratively prohibited
  alternate-address Alternate address
  conversion-error Datagram conversion
  dod-host-prohibited Host prohibited
  dod-net-prohibited Net prohibited
  dscp Match packets with given dscp value
  echo Echo (ping)
  echo-reply Echo reply
  fragments Check non-initial fragments
  general-parameter-problem Parameter problem
  host-isolated Host isolated
  host-precedence-unreachable 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-reply Information replies
  information-request Information requests
  log Log matches against this entry
  log-input Log matches against this entry, including
input

R1(config-ext-nacl)#10 permit icmp any any 1 ?
  <0-255> ICMP message code
  dscp Match packets with given dscp value
  log Log matches against this entry
  log-input Log matches against this entry, including input interface
  precedence Match packets with given precedence value
  reflect Create reflexive access list entry
  time-range Specify a time-range
  tos Match packets with given TOS value
  <cr>

thanks,

---
Victor Cappuccio.-
CCSI #31452
Global Knowledge Spain
-----Mensaje original-----
De: nobody@groupstudy.com en nombre de itsfortarget iwillgetit
Enviado el: mar 05/02/2008 9:45
Para: Cisco certification
Asunto: ICMP portnumber
Dear Team,
Could please come across the port number used by ICMP packet.

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