Allied-telesis AT-9724TS Uživatelský manuál Strana 112
- Strana / 197
- Tabulka s obsahem
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
Figure 6- 103. Link-State Request Packet
Each advertisement requested is specified by its Link-State Type, Link-State ID, and Advertising Router.This uniquely identifies the advertisement, but not its
instance. Link-State Request packets are understood to be requests for the most recent instance.
Link-State Update Packet
Link-State Update packets are OSPF packet type 4.These packets implement the flooding of link-state advertisements. Each Link-State Update packet carries a
collection of link-state advertisements one hop further from its origin. Several link-state advertisements may be included in a single packet.
Link-State Update packets are multicast on those physical networks that support multicast/broadcast. In order to make the flooding procedure reliable, flooded
advertisements are acknowledged in Link-State Acknowledgment packets. If retransmission of certain advertisements is necessary, the retransmitted
advertisements are always carried by unicast Link-State Update packets.
The format of the Link-State Update packet is shown below:
Figure 6- 104. Link-State Update Packet
The body of the Link-State Update packet consists of a list of link-state advertisements. Each advertisement begins with a common 20-byte header, the link-state
advertisement header. Otherwise, the format of each of the five types of link-state advertisements is different.
111
Allied Telesyn AT-9724TS High-Density Layer 3 Stackable Gigabit Ethernet Switch
Octets
OSPF Link-State Request Packet
Router ID
Area ID
Checksum Authentication Type
Authentication
Authentication
Link-State ID
Advertising Router
Link-State Type
Version No.
3
Packet Length
01 23
4
Octets
OSPF Link-State Update Packet
Router ID
Area ID
Checksum Authentication Type
Authentication
Authentication
Link-State Advertisements
Number of Advertisements
Version No.
4
Packet Length
01 23
4
- AT-9724TS 1
- Table of Contents 3
- Purpose of This Guide 6
- How This Guide is Organized 6
- Document Conventions 7
- Where to Find Related Guides 8
- Returning Products 9
- FTP Server 9
- Tell Us What You Think 10
- Chapter 1 - Introduction 11
- 1-2 Switch Description 12
- 1-3 Features 12
- 1-4 Ports 13
- Installing the SFP ports 13
- 1-5 Front Panel Components 13
- Chapter 2 - Installation 15
- 2-5 Power On 17
- 2-6 Power Failure 17
- UTP cable 18
- Optical fibre cable 19
- 4-7 Password Protection 23
- 4-8 SNMP Settings 23
- 4-9 IP Address Assignment 24
- 5-1 Introduction 26
- 5-2 Login to Web Manager 26
- 5-3 Web-based User Interface 27
- Areas of the User Interface 27
- Web Pages 28
- 6-1 Switch Information 29
- 6-2 IP Address 30
- Advanced Settings 31
- 6.3 Box Information 32
- 6-4 Port Configuration 33
- 6-5 Port Description 34
- 6-6 Port Mirroring 35
- 6-7 Link Aggregation 35
- 6-8 LACP Port Setting 37
- C Notification 38
- 6-10 IGMP 39
- IGMP Versions 1 and 2 39
- IGMP Snooping 41
- Static Router Ports 42
- 6.11 Spanning Tree 43
- 802.1s MSTP 43
- MST Configuration Table 46
- MSTI Port Information 49
- STP Instance Settings 50
- STP Port Settings 52
- Unicast Forwarding 53
- 8 under the Delete 53
- Static Multicast Forwarding 54
- 802.1Q VLAN Tags 56
- Port-based VLANs 59
- VLAN Segmentation 59
- VLAN and Trunk Groups 59
- Protocol VLANs 59
- Static VLAN Entry 60
- GVRP Setting 63
- 6-15 Traffic Control 64
- 6-16 Port Security 65
- 6-17 Port Lock Entries 66
- 1 2 3 67
- Bandwidth Control 68
- QoS Scheduling Mechanism 69
- Output Scheduling 69
- 802.1p Default Priority 71
- 802.1p User Priority 71
- Traffic Segmentation 72
- 6-19 System Log Server 73
- 6-20 SNTP Settings 75
- Time Zone and DST 76
- 6-21 Access Profile Table 77
- Configur 77
- AT-9724TS Switch 86
- Uncontrolled Port 86
- Configure Authenticator 87
- Local Users 88
- PAE System Control 89
- RADIUS Server 93
- 6-23 Layer 3 IP Networking 94
- Setting Up IP Interfaces 94
- MD5 Key Table Configuration 96
- Route Redistribution Settings 97
- Static/Default Route 98
- Route Preference Settings 99
- Static ARP Table 101
- 8 under the Delete heading 101
- Setting Up RIP 103
- Shortest Path Tree 105
- Areas and Border Routers 106
- Link-State Packets 106
- Hello Packet 109
- Link-State Request Packet 111
- Link-State Update Packet 112
- Router Links Advertisements 114
- Summary Link Advertisements 116
- General OSPF Settings 118
- OSPF Area ID Setting 118
- OSPF Interface Settings 119
- 8 in the Delete 121
- OSPF Host Route Settings 122
- DHCP / BOOTP Relay 123
- DHCP/BootP Relay Settings 124
- DNS Relay 124
- DNS Relay Static Settings 125
- VRRP Configuration 126
- VRRP Interface Settings 127
- 8 to delete this VRRP entry 127
- IP Multicast Routing Protocol 130
- IGMP Interface Configuration 130
- DVMRP Interface Configuration 131
- DVMRP Global Setting 131
- DVMRP Interface Settings 131
- PIM-DM Configuration 132
- 7-1 Security IP 134
- 7-2 User Accounts 134
- Admin and User Privileges 135
- Authentication Server Hosts 139
- Login Method Lists 140
- Local Enable Password 142
- Enable Admin 143
- 7-4 Secure Socket Layer (SSL) 144
- Download Certificate 144
- Configuration 145
- 7-5 Secure Shell (SSH) 146
- SSH Configuration 146
- SSH Algorithm 146
- SSH User Authentication 148
- Chapter 8 - SNMP Manager 150
- SNMP View Table 152
- 8 in the Delete column cor 152
- SNMP Group Table 153
- SNMP Host Table 155
- SNMP Engine ID 156
- Chapter 9 - Monitoring 157
- 9-3 Packets 158
- Received (RX) 158
- UMB Cast (RX) 160
- 9-4 Errors 163
- 9-5 Size 166
- Stacking Information 167
- Device Status 168
- 9-6 MAC Address 169
- 9-7 Switch History Log 170
- 9-8 IGMP Snooping Gr 171
- 9-9 IGMP Snooping Forwarding 171
- 9-10 Browse Router Port 172
- 9-11 Port Access Control 172
- Authenticator State 172
- Authenticator Diagnostics 176
- RADIUS Authentication 177
- RADIUS Accounting 178
- 9-12 Lay 179
- Browse IP Address 179
- Browse Routing Table 180
- Browse ARP Table 180
- Browse IGMP Group Table 181
- OSPF Monitoring 181
- Browse OSPF Neighbor Table 182
- DVMRP Monitoring 183
- Browse DVMRP Routing Table 183
- PIM Monitoring 184
- PIM Neighbor Address Table 184
- 10-1 TFTP Service 185
- Download Firmware 185
- Config Firmware Image 187
- 10-4 Ping Test 188
- 10-5 Save Changes 189
- 10-6 Reset 189
- 10-7 Reboot Device 190
- 10-8 Logout 190
- Physical & Envir 191
- Performance 192
Související produkty a manuály pro Počítačový hardware Allied-telesis AT-9724TS
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