Carrier Access CMG Router - Manual (Page 256)

B-2 CMG Router - Release 2.7
Protocol Types
Protocol Number in Firewall Filters
Protocol Number in Firewall Filters
In the Router cards we can filter based on protocol numbers in the Firewall Filters
(WAN). See Firewall Filters on page 5-27 for Firewall instructions and See Service on
page 5-31 for the field where this protocol number is entered.
Number Keyword Protocol Reference
0 HOPOPT IPv6 Hop-by-Hop Option [RFC1883]
1 ICMP Internet Control Message [RFC702]
2 IGMP Internet Group Management [RFC1112]
3 GGP Gateway-to-Gateway [RFC823]
4 IP IP in PIP (encapsulation) [RFC2003]
5 ST Stream [RFC1190, RFC1819]
6 TCP Transmission Control [RFC793]
7 CBT CBT [Ballardie]
8 EGP Exterior Gateway Protocol [RFC888, DLM1]
9 IGP any private interior gateway
(used by Cisco for their IGRP) [IANA]
10 BBN-RCC-MON BBN RCC Monitoring [SGC]
11 NVP-II Network Voice Protocol [RFC741, SC3]
12 PUP PUP [PUP, XEROX]
13 ARGUS ARGUS [RWS4]
14 EMCON EMCON [BN7]
15 XNET Cross Net Debugger [IEN158, JFH2]
16 CHAOS Chaos [NC3]
17 UDP User Datagram [RFC768, JBP]
18 MUX Multiplexing [IEN90, JBP]
19 DCN-MEAS DCN Measurement Subsystems [DLM1]
20 HMP Host Monitoring [RFC890, RH6]
21 PRM Packet Radio Measurement [ZSU]
22 XNS-IDP XEROX NS IDP [ETHERNET, XEROX]
23 TRUNK-1 Trunk-1 [BWB6]
24 TRUNK-2 Trunk-2 [BWB6]
25 LEAF-1 Leaf-1 [BWB6]