System Overview ComwareV5 Table of Contents

i

Table of Contents

Chapter 1 ComwareV5 Overview............................................................................................. 1-1 1.1 Introduction to Comware ............................................................................................... 1-1 1.2 ComwareV5 Architecture............................................................................................... 1-2 1.3 ComwareV5 Functionality.............................................................................................. 1-4

Chapter 2 Network Interconnectivity....................................................................................... 2-1 2.1 LAN Protocols............................................................................................................... 2-1

2.1.1 Static ARP .......................................................................................................... 2-1 2.1.2 Proxy ARP.......................................................................................................... 2-1 2.1.3 Gratuitous ARP................................................................................................... 2-1 2.1.4 VLAN Functionality ............................................................................................. 2-2 2.1.5 Transparent Bridging........................................................................................... 2-2

2.2 WAN Protocols.............................................................................................................. 2-2 2.2.1 PPP (Point to Point Protocol) .............................................................................. 2-2 2.2.2 MP (MultiLink PPP)............................................................................................. 2-3 2.2.3 PPPoE................................................................................................................ 2-3 2.2.4 PPPoE Server..................................................................................................... 2-3 2.2.5 PPPoE Client...................................................................................................... 2-3 2.2.6 PPPoFR ............................................................................................................. 2-3 2.2.7 MPoFR ............................................................................................................... 2-4 2.2.8 Frame Relay ....................................................................................................... 2-4 2.2.9 MFR ................................................................................................................... 2-5 2.2.10 FR Compress.................................................................................................... 2-5 2.2.11 Frame Relay over IP ......................................................................................... 2-5 2.2.12 ATM.................................................................................................................. 2-5 2.2.13 PPPoEoA.......................................................................................................... 2-6 2.2.14 IPoA ................................................................................................................. 2-6 2.2.15 IPoEoA ............................................................................................................. 2-6 2.2.16 HDLC................................................................................................................ 2-6 2.2.17 LAPB ................................................................................................................ 2-7 2.2.18 X.25.................................................................................................................. 2-7 2.2.19 XOT.................................................................................................................. 2-7 2.2.20 X2T................................................................................................................... 2-7 2.2.21 X.25 CUG ......................................................................................................... 2-7 2.2.22 X.25 PAD Access.............................................................................................. 2-8 2.2.23 X.25 Load Sharing ............................................................................................ 2-8 2.2.24 DLSw (v1.0/v2.0) .............................................................................................. 2-9 2.2.25 ISDN................................................................................................................. 2-9

System Overview ComwareV5 Table of Contents

ii

2.2.26 Network Side of the ISDN Protocol...................................................................2-10

Chapter 3 LAN Protocols ......................................................................................................... 3-1 3.1 STP/RSTP/MSTP Series Protocols ............................................................................... 3-1 3.2 GARP/GVRP Protocols................................................................................................. 3-1 3.3 Port Aggregation Technology and the LACP Protocol.................................................... 3-1 3.4 Ethernet OAM Protocol ................................................................................................. 3-2 3.5 DLDP Protocol .............................................................................................................. 3-2 3.6 Cluster Management Technology.................................................................................. 3-2 3.7 QinQ and BPDU TUNNEL Technologies ....................................................................... 3-2 3.8 RRPP Technology......................................................................................................... 3-3

Chapter 4 Network Protocols................................................................................................... 4-1 4.1 IP Services.................................................................................................................... 4-1

4.1.1 Fast Forwarding.................................................................................................. 4-1 4.1.2 IP Option ............................................................................................................ 4-1 4.1.3 Flexible Configuration of IP Addresses on an Interface........................................ 4-1 4.1.4 IP Unicast Policy Routing.................................................................................... 4-2 4.1.5 IP Multicast Policy Routing.................................................................................. 4-2 4.1.6 Netstream........................................................................................................... 4-2 4.1.7 RCR ................................................................................................................... 4-3

4.2 Non-IP Services ............................................................................................................ 4-3 4.2.1 SNA/SDLC.......................................................................................................... 4-3 4.2.2 DLSw Ethernet Redundancy ............................................................................... 4-3 4.2.3 IPX ..................................................................................................................... 4-4 4.2.4 SOT.................................................................................................................... 4-4

4.3 IP Applications .............................................................................................................. 4-4 4.3.1 DHCP Server and Client ..................................................................................... 4-4 4.3.2 DHCP Relay ....................................................................................................... 4-5 4.3.3 DHCP Accounting............................................................................................... 4-5 4.3.4 DNS.................................................................................................................... 4-5 4.3.5 DDNS ................................................................................................................. 4-5 4.3.6 NQA ................................................................................................................... 4-6 4.3.7 IP Accounting...................................................................................................... 4-6 4.3.8 UDP Helper ........................................................................................................ 4-6 4.3.9 NTP.................................................................................................................... 4-6 4.3.10 TFTP ................................................................................................................ 4-7

Chapter 5 IP Routing................................................................................................................ 5-1 5.1 Static Route Management............................................................................................. 5-1 5.2 Dynamic Routing Protocols ........................................................................................... 5-1

5.2.1 RIP-1/RIP-2 ........................................................................................................ 5-1 5.2.2 OSPF ................................................................................................................. 5-1 5.2.3 BGP................................................