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DrayTek RoadShow 2015 @ Portugal (Setembro) - Sessão 2

The document summarizes various topics related to wireless network management including high availability, user management, AP management, WiFi airtime fairness, AP station statistics, and bandwidth management. Specifically, it discusses setting up high availability using hot-standby and active-standby modes, customizing the login page and creating guest accounts, the plug-and-play process for AP setup, monitoring APs using dashboards and traffic graphs, implementing airtime fairness to provide equal channel access to all stations, and testing bandwidth without airtime fairness enabled.

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1 Session 2 Seminar Henry Lo Application Engineer Rui Jorge Technical Manager
2 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
3 High Availability • What is High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
4 High Availability • What is High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
5 • Hardware redundancy feature to achieve high availability with Vigor2925 Series • Redundancy Mode: - Hot-Standby, a.k.a Active/Standby - Active-Standby, a.k.a Active/Active What is High Availability
6 Hot-Standby ISP LAN2 LAN3 Status: Primary Status: Secondary V2925_A V2925_B WAN Online WAN Offline LAN1 Management Interface
7 ISP LAN2 LAN3 Status: Down Status: Primary V2925_A V2925_B WAN Online LAN1 Management Interface Hot-Standby
8 ISP_2 LAN2 LAN3 Status: Primary V2925_A V2925_B ISP_1 Status: Secondary WAN Online WAN Online NO Load Balance between 2 Routers LAN1 Management Interface Active-Standby
9 ISP_2 LAN2 LAN3 Status: Down V2925_A V2925_B ISP_1 Status: Primary WAN Online LAN1 Management Interface Active-Standby
10 Outline • What is High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A : Same WAN line for members, only Primary gets online : Different WAN line for members, all routers are online
11 Outline • What is High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
12 Routers Setup 192.168.250.2 192.168.250.3
13 ISP LAN2 LAN3 LAN1 Management Interface Status: Primary V2925_A WAN Online V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 Routers Setup
14 V2925_A V2925_B • Same Group ID Routers Setup
15 V2925_A V2925_B • Same Group ID • Define Priority, Primary has highest Priority (30 is highest) - If same priority, compare the LAN IP (192.168.1.1>192.168.1.2) Routers Setup
16 V2925_A V2925_B • Same group should share same Authentication Key • Choose Management Interface for communication • Allow updating DDNS when CPE become Primary - All members share the same DDNS profiles Routers Setup
17 V2925_A V2925_B • Choose LAN subnets for HA • Define the Virtual IP - All members should have the same Virtual IP Routers Setup
18 V2925_A V2925_B • Use different LAN IP Routers Setup
19 V2925_B • Use different LAN IP • LAN IP will be replaced by HA Virtual IP - Only see this message when HA is enabled and Virtual IP is set Routers Setup V2925_A
20 ISP CARP Who should be Primary Status: Primary V2925_A WAN Online V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 Priority: 30 Priority: 20 • Highest Priority CPE is Primary CARP • At beginning, all members send CARP - CARP includes Priority LAN1 Management Interface
21 ISP CARP Who should be Primary Status: Primary V2925_A WAN Online V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 • Primary router sends CARP packets to all members • If NOT receiving CARP packets, Secondary will go up Priority: 30 Priority: 20 • Highest Priority CPE is Primary • At beginning, all members send CARP - CARP includes Priority LAN1 Management Interface
22 ISP LAN2 LAN3 Virtual IP for LAN2: 192.168.2.1 MAC C6:4B:D8 Virtual IP for LAN3: 192.168.3.1 MAC C6:4B:D8 Status: Secondary V2925_B 192.168.250.3 192.168.2.3 192.168.3.3
 MAC BE:92:60 Update MAC for Virtual IP Status: Primary V2925_A 192.168.250.2 192.168.2.2 192.168.3.2 MAC C6:4B:D8 LAN1 Management Interface
23 ISP LAN2 LAN3 Status: Down Status: Primary V2925_A V2925_B Update MAC for Virtual IP 192.168.250.2 192.168.2.2 192.168.3.2 MAC C6:4B:D8 192.168.250.3 192.168.2.3 192.168.3.3
 MAC BE:92:60 Virtual IP for LAN2: 192.168.2.1 MAC C6:4B:D8 Virtual IP for LAN3: 192.168.3.1 MAC C6:4B:D8 MAC BE:92:60 MAC BE:92:60 LAN1 Management Interface
24 V2925_A V2925_B • Tips: 
 Use arp -a to confirm current Primary and other members DrayTek:~ HATest$ arp -a ? (192.168.250.1) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.2) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet] LAN MAC: C6:4B:D8 LAN MAC: BE:92:60 Primary Update MAC for Virtual IP
25 V2925_A V2925_B • Tips: 
 Use arp -a to confirm current Primary and other members DrayTek:~ HATest ? (192.168.250.1) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.2) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet] LAN MAC: C6:4B:D8 LAN MAC: BE:92:60 Update MAC for Virtual IP PrimaryDrayTek:~ HATest$ arp -a ? (192.168.250.1) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet]
26 Update DDNS and WCF License • Update DDNS
27 Update DDNS and WCF License • Update WCF License - Non-Stop WCF firewall protection
28 V2925_A V2925_B • Config file sync from Primary to Secondary(s) - Only for Hot-Standby mode Config Sync between Routers
29 • Sync all config with some exceptions - LAN IP Address and Subnet Mask • LAN - DHCP Gateway IP • Router Name Config Sync between Routers • The following part will NOT be synced
30 Config Sync between Routers • Sync all config with some exceptions - Admin password • Router login passwords - User password • The following part will NOT be synced
31 ISP CARP Status: Primary V2925_A V2925_B Status: Secondary • We MUST make sure other members can always receive CARP - Not safe to rely on a single switch which also takes care of other LAN traffics Routers Setup
32 ISP Status: Primary V2925_A V2925_B Status: Secondary Routers Setup Dial WAN • We MUST make sure other members can always receive CARP - Not safe to rely on a single switch which also takes care of other LAN traffics IP Conflict! - If switch freeze/loop/ power down
33 ISP Status: Primary V2925_A V2925_B Status: Secondary Routers Setup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members For traffics For HA use only
34 ISP Status: Primary V2925_A V2925_B Status: Secondary Routers Setup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members • Suggestion 2 
 Additional switch for HA only For HA use onlyFor traffics (and HA)
35 ISP For HA use only Status: Primary V2925_A V2925_B Status: Secondary Routers Setup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members For traffics (and HA) - Ideal for HA group with more than 2 members V2925_C Status: Secondary • Suggestion 2 
 Additional switch for HA only
36 Outline • What is High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
37 Connectivity Test • Video on youtube
 https://youtu.be/2QkPj16O5ow • Test Results - WAN Connectivity recovered in 14 seconds - VPN Dail-out Connectivity recovered in 16 seconds - VPN Dail-in Connectivity recovered in 58 seconds
38 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
39 Customized Login Logo
40 Customized Login Logo
41 Accounts for Guests • Create Accounts for Rooms
42 • Create User Group for accounts Accounts for Guests
43 • Apply to Firewall — Request User Login for Guests Accounts for Guests
44 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
45 AP Management • Plug-n-Play Setup • AP Configuration Provision • AP Maintenance • Wireless LAN Management - Dashboard - Traffic Graph for each AP - AP Load Sharing - AP Roaming
46 Plug-n-Play Setup PoE on Switch AP Plug-n-Play
47 • Before connection • After connection • Router provides DHCP Address to AP Plug-n-Play Setup
48 AP Configuration Provision
49 • Apply to Device AP Configuration Provision
50 AP Maintenance • Choose an Action
51 AP Traffic Graph
52 AP Dashboard • Status and Event Log for All APs • Traffics for Top 5 APs • Station Number for Top 5 APs
53 AP Station Number
54 AP Total Traffics
55 • Define the Overload Indicator AP Load Balance/Sharing
56 AP Load Balance/Sharing • By Traffic Traffic: 32 Mbps Limit: 32 Mbps Traffic: 20 Mbps Limit: 32 Mbps
57 AP Load Balance/Sharing
58 AP Load Balance/Sharing • Force Overload Disassociation Traffic: 32 Mbps Limit: 32 Mbps Traffic: 20 Mbps Limit: 32 Mbps 16 Mbps 16 Mbps 10 Mbps 10 Mbps 0 Mbps Idle
59 AP Roaming • Pre-Authentication — Roam to Next • PMK Cache — Roam Back
60 AP Roaming
61 AP Roaming
62 AP Roaming
63 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
64 • Theory: - Channel Can be Accessed by Only One Station at a Time (802.11) - Each Station has Equal Priority to Access the Channel (802.11e) 8 Stations 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 20 Stations Airtime Fairness
65 Test Environment Setup Link Rate 130Mbps Link Rate 65Mbps Doors Keep Close AP900
 192.168.38.2/24 110120130140150160170 210 PC, JPerf Client JPerf Servers Test Direction: LAN to WLAN
66 Without 
 AirTimeFairness Test 1 Test 2 Test 3 Average 192.168.38.110 1.17 1.78 1.84 1.60 192.168.38.120 7.26 7.18 7.58 7.34 192.168.38.130 8.59 8.25 8.70 8.51 192.168.38.140 4.37 3.46 3.68 3.84 192.168.38.150 7.22 7.06 7.13 7.14 192.168.38.160 6.93 6.81 7.83 7.19 192.168.38.170 1.68 1.57 1.75 1.67 Sub Total 37.22 36.11 38.51 37.28 192.168.38.210 5.49 5.83 5.46 5.59 Total 42.71 41.94 43.97 42.87 Without AirTime Fairness Link Rate
 65 Mbps Link Rate
 130 Mbps
67 Some Stations May Feel the Without AirTime Fairness “Stall”
68 Without AirTime Fairness • Theory: Each Station has Equal Probability to Use AirTime - But Some Stations may be Good at Occupying the AirTime Theory 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% • Test Result without AirTime Fairness Without Airtime Fairness 210 13.35% 170 3.88% 160 16.70% 150 16.60% 140 8.93% 130 19.77% 120 17.05% 110 3.72%
69 With AirTime Fairness
70 With 
 AirTimeFairness Test 1 Test 2 Test 3 Average 192.168.38.110 4.75 4.70 4.57 4.67 192.168.38.120 5.71 5.59 5.68 5.66 192.168.38.130 9.09 9.21 8.21 8.84 192.168.38.140 5.21 5.14 5.37 5.24 192.168.38.150 8.34 8.53 8.45 8.44 192.168.38.160 9.52 9.23 9.41 9.39 192.168.38.170 3.30 3.29 3.42 3.34 Sub Total 45.92 45.69 45.11 45.57 192.168.38.210 4.64 4.80 4.54 4.66 Total 50.56 50.49 49.65 50.23 With AirTime Fairness Link Rate
 65 Mbps Link Rate
 130 Mbps
71 With AirTime Fairness “Stall”
• Stations have More Equalized Performance - Assuming they have the same hardware speed, more equalized performance can be related to more equalized AirTime 72 With AirTime Fairness 210 9.26%170 6.64% 160 18.65% 150 16.76% 140 10.41% 130 17.76% 120 11.25% 110 9.28% Without AirTime Fairness 210 13.35% 170 3.88% 160 16.70% 150 16.60% 140 8.93% 130 19.77% 120 17.05% 110 3.72% Comparison in Between
 Individual Ratio
73 • 22.24% Improvement Clients with 130Mbps Link Rate Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17% 20 25.2 30.4 35.6 40.8 46 Without With 45.57 37.28
74 • -16.64% Deduction Client with 65Mbps Link Rate 0 1.4 2.8 4.2 5.6 Without With 4.66 5.59 Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17%
75 • 17.17% Improvement Overall 30 35.5 41 46.5 52 Without With 50.23 42.87 Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17%
Summary of AirTime Fairness 76 • Improve Overall WiFi Performance, in Most Cases - Stations with Good Link Rate get Increased - Stations with Poor Link Rate get Decreased • Hint: In Central AP Management >> Load Balance, set Force Overload Disassociation as by single Strength
77 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
78 AP Station Statistics • Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly
79 AP Station Statistics • Connected and Not Connected (Nearby)
80 AP Station Statistics
81 AP Station Statistics
82 AP Station Statistics • Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly • Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
83 AP Station Statistics • Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly• Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
84 AP Station Statistics • Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly• Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
85 Outline • High Availability • User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
86 Bandwidth Management • Bandwidth Limit • Session Limit • QoS
87 Bandwidth Limit
88 • Default – if no specified rule for this IP address • Auto Adjustment to utilize bandwidth
 
 • Check Data Flow Monitor Bandwidth Limit
89 Bandwidth Limit
90 • Specified  rule  for  IP  address(es)   Bandwidth Limit
91 Bandwidth Limit
92 Session Limit
93 QoS
94 QoS
95 • Give Bandwidth Ratio QoS
96 • Check QoS Status • Flexible Bandwidth Allocating - “Others” is eligible to use more bandwidth when possible QoS
97 Q&A

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DrayTek RoadShow 2015 @ Portugal (Setembro) - Sessão 2

  • 1.
    1 Session 2 Seminar Henry Lo ApplicationEngineer Rui Jorge Technical Manager
  • 2.
    2 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 3.
    3 High Availability • Whatis High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
  • 4.
    4 High Availability • Whatis High Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
  • 5.
    5 • Hardware redundancyfeature to achieve high availability with Vigor2925 Series • Redundancy Mode: - Hot-Standby, a.k.a Active/Standby - Active-Standby, a.k.a Active/Active What is High Availability
  • 6.
  • 7.
    7 ISP LAN2 LAN3 Status: Down Status: Primary V2925_A V2925_B WANOnline LAN1 Management Interface Hot-Standby
  • 8.
    8 ISP_2 LAN2 LAN3 Status: Primary V2925_A V2925_B ISP_1 Status: Secondary WANOnline WAN Online NO Load Balance between 2 Routers LAN1 Management Interface Active-Standby
  • 9.
    9 ISP_2 LAN2 LAN3 Status: Down V2925_A V2925_B ISP_1 Status: Primary WANOnline LAN1 Management Interface Active-Standby
  • 10.
    10 Outline • What isHigh Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A : Same WAN line for members, only Primary gets online : Different WAN line for members, all routers are online
  • 11.
    11 Outline • What isHigh Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
  • 12.
  • 13.
    13 ISP LAN2 LAN3 LAN1 Management Interface Status: Primary V2925_A WANOnline V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 Routers Setup
  • 14.
    14 V2925_A V2925_B • SameGroup ID Routers Setup
  • 15.
    15 V2925_A V2925_B • SameGroup ID • Define Priority, Primary has highest Priority (30 is highest) - If same priority, compare the LAN IP (192.168.1.1>192.168.1.2) Routers Setup
  • 16.
    16 V2925_A V2925_B • Samegroup should share same Authentication Key • Choose Management Interface for communication • Allow updating DDNS when CPE become Primary - All members share the same DDNS profiles Routers Setup
  • 17.
    17 V2925_A V2925_B • ChooseLAN subnets for HA • Define the Virtual IP - All members should have the same Virtual IP Routers Setup
  • 18.
    18 V2925_A V2925_B • Usedifferent LAN IP Routers Setup
  • 19.
    19 V2925_B • Use differentLAN IP • LAN IP will be replaced by HA Virtual IP - Only see this message when HA is enabled and Virtual IP is set Routers Setup V2925_A
  • 20.
    20 ISP CARP Who should bePrimary Status: Primary V2925_A WAN Online V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 Priority: 30 Priority: 20 • Highest Priority CPE is Primary CARP • At beginning, all members send CARP - CARP includes Priority LAN1 Management Interface
  • 21.
    21 ISP CARP Who should bePrimary Status: Primary V2925_A WAN Online V2925_B Status: Secondary WAN Offline 192.168.250.2 192.168.250.3 • Primary router sends CARP packets to all members • If NOT receiving CARP packets, Secondary will go up Priority: 30 Priority: 20 • Highest Priority CPE is Primary • At beginning, all members send CARP - CARP includes Priority LAN1 Management Interface
  • 22.
    22 ISP LAN2 LAN3 Virtual IP forLAN2: 192.168.2.1 MAC C6:4B:D8 Virtual IP for LAN3: 192.168.3.1 MAC C6:4B:D8 Status: Secondary V2925_B 192.168.250.3 192.168.2.3 192.168.3.3
 MAC BE:92:60 Update MAC for Virtual IP Status: Primary V2925_A 192.168.250.2 192.168.2.2 192.168.3.2 MAC C6:4B:D8 LAN1 Management Interface
  • 23.
    23 ISP LAN2 LAN3 Status: Down Status: Primary V2925_A V2925_B UpdateMAC for Virtual IP 192.168.250.2 192.168.2.2 192.168.3.2 MAC C6:4B:D8 192.168.250.3 192.168.2.3 192.168.3.3
 MAC BE:92:60 Virtual IP for LAN2: 192.168.2.1 MAC C6:4B:D8 Virtual IP for LAN3: 192.168.3.1 MAC C6:4B:D8 MAC BE:92:60 MAC BE:92:60 LAN1 Management Interface
  • 24.
    24 V2925_A V2925_B • Tips:
 Use arp -a to confirm current Primary and other members DrayTek:~ HATest$ arp -a ? (192.168.250.1) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.2) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet] LAN MAC: C6:4B:D8 LAN MAC: BE:92:60 Primary Update MAC for Virtual IP
  • 25.
    25 V2925_A V2925_B • Tips:
 Use arp -a to confirm current Primary and other members DrayTek:~ HATest ? (192.168.250.1) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.2) at 0:1d:aa:c6:4b:d8 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet] LAN MAC: C6:4B:D8 LAN MAC: BE:92:60 Update MAC for Virtual IP PrimaryDrayTek:~ HATest$ arp -a ? (192.168.250.1) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.3) at 0:1d:aa:be:92:60 on en3 ifscope [ethernet] ? (192.168.250.255) at ff:ff:ff:ff:ff:ff on en3 ifscope [ethernet]
  • 26.
    26 Update DDNS andWCF License • Update DDNS
  • 27.
    27 Update DDNS andWCF License • Update WCF License - Non-Stop WCF firewall protection
  • 28.
    28 V2925_A V2925_B • Configfile sync from Primary to Secondary(s) - Only for Hot-Standby mode Config Sync between Routers
  • 29.
    29 • Sync allconfig with some exceptions - LAN IP Address and Subnet Mask • LAN - DHCP Gateway IP • Router Name Config Sync between Routers • The following part will NOT be synced
  • 30.
    30 Config Sync betweenRouters • Sync all config with some exceptions - Admin password • Router login passwords - User password • The following part will NOT be synced
  • 31.
    31 ISP CARP Status: Primary V2925_A V2925_B Status: Secondary •We MUST make sure other members can always receive CARP - Not safe to rely on a single switch which also takes care of other LAN traffics Routers Setup
  • 32.
    32 ISP Status: Primary V2925_A V2925_B Status: Secondary RoutersSetup Dial WAN • We MUST make sure other members can always receive CARP - Not safe to rely on a single switch which also takes care of other LAN traffics IP Conflict! - If switch freeze/loop/ power down
  • 33.
    33 ISP Status: Primary V2925_A V2925_B Status: Secondary RoutersSetup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members For traffics For HA use only
  • 34.
    34 ISP Status: Primary V2925_A V2925_B Status: Secondary RoutersSetup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members • Suggestion 2 
 Additional switch for HA only For HA use onlyFor traffics (and HA)
  • 35.
    35 ISP For HA useonly Status: Primary V2925_A V2925_B Status: Secondary Routers Setup • Suggestion 1 
 Ethernet cable wired to both router LAN port
 - Ideal for HA group with only 2 members For traffics (and HA) - Ideal for HA group with more than 2 members V2925_C Status: Secondary • Suggestion 2 
 Additional switch for HA only
  • 36.
    36 Outline • What isHigh Availability - Hot-Standby - Active-Standby • How it Works - Router Setup - Who should be Primary - Primary Updates MAC to Virtual IP, Update DDNS and WCF License - Configuration Sync between Routers • Test Environment Setup - Dual WAN, WAN1 Static + WAN2 PPPoE - 3 VLANs • Connectivity Test • Q&A
  • 37.
    37 Connectivity Test • Videoon youtube
 https://youtu.be/2QkPj16O5ow • Test Results - WAN Connectivity recovered in 14 seconds - VPN Dail-out Connectivity recovered in 16 seconds - VPN Dail-in Connectivity recovered in 58 seconds
  • 38.
    38 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 39.
  • 40.
  • 41.
    41 Accounts for Guests •Create Accounts for Rooms
  • 42.
    42 • Create UserGroup for accounts Accounts for Guests
  • 43.
    43 • Apply toFirewall — Request User Login for Guests Accounts for Guests
  • 44.
    44 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 45.
    45 AP Management • Plug-n-PlaySetup • AP Configuration Provision • AP Maintenance • Wireless LAN Management - Dashboard - Traffic Graph for each AP - AP Load Sharing - AP Roaming
  • 46.
    46 Plug-n-Play Setup PoE onSwitch AP Plug-n-Play
  • 47.
    47 • Before connection •After connection • Router provides DHCP Address to AP Plug-n-Play Setup
  • 48.
  • 49.
    49 • Apply toDevice AP Configuration Provision
  • 50.
  • 51.
  • 52.
    52 AP Dashboard • Statusand Event Log for All APs • Traffics for Top 5 APs • Station Number for Top 5 APs
  • 53.
  • 54.
  • 55.
    55 • Define theOverload Indicator AP Load Balance/Sharing
  • 56.
    56 AP Load Balance/Sharing •By Traffic Traffic: 32 Mbps Limit: 32 Mbps Traffic: 20 Mbps Limit: 32 Mbps
  • 57.
  • 58.
    58 AP Load Balance/Sharing •Force Overload Disassociation Traffic: 32 Mbps Limit: 32 Mbps Traffic: 20 Mbps Limit: 32 Mbps 16 Mbps 16 Mbps 10 Mbps 10 Mbps 0 Mbps Idle
  • 59.
    59 AP Roaming • Pre-Authentication— Roam to Next • PMK Cache — Roam Back
  • 60.
  • 61.
  • 62.
  • 63.
    63 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 64.
    64 • Theory: - ChannelCan be Accessed by Only One Station at a Time (802.11) - Each Station has Equal Priority to Access the Channel (802.11e) 8 Stations 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 12.5% 20 Stations Airtime Fairness
  • 65.
    65 Test Environment Setup LinkRate 130Mbps Link Rate 65Mbps Doors Keep Close AP900
 192.168.38.2/24 110120130140150160170 210 PC, JPerf Client JPerf Servers Test Direction: LAN to WLAN
  • 66.
    66 Without 
 AirTimeFairness Test 1Test 2 Test 3 Average 192.168.38.110 1.17 1.78 1.84 1.60 192.168.38.120 7.26 7.18 7.58 7.34 192.168.38.130 8.59 8.25 8.70 8.51 192.168.38.140 4.37 3.46 3.68 3.84 192.168.38.150 7.22 7.06 7.13 7.14 192.168.38.160 6.93 6.81 7.83 7.19 192.168.38.170 1.68 1.57 1.75 1.67 Sub Total 37.22 36.11 38.51 37.28 192.168.38.210 5.49 5.83 5.46 5.59 Total 42.71 41.94 43.97 42.87 Without AirTime Fairness Link Rate
 65 Mbps Link Rate
 130 Mbps
  • 67.
    67 Some Stations MayFeel the Without AirTime Fairness “Stall”
  • 68.
    68 Without AirTime Fairness •Theory: Each Station has Equal Probability to Use AirTime - But Some Stations may be Good at Occupying the AirTime Theory 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% 12.50% • Test Result without AirTime Fairness Without Airtime Fairness 210 13.35% 170 3.88% 160 16.70% 150 16.60% 140 8.93% 130 19.77% 120 17.05% 110 3.72%
  • 69.
  • 70.
    70 With 
 AirTimeFairness Test 1Test 2 Test 3 Average 192.168.38.110 4.75 4.70 4.57 4.67 192.168.38.120 5.71 5.59 5.68 5.66 192.168.38.130 9.09 9.21 8.21 8.84 192.168.38.140 5.21 5.14 5.37 5.24 192.168.38.150 8.34 8.53 8.45 8.44 192.168.38.160 9.52 9.23 9.41 9.39 192.168.38.170 3.30 3.29 3.42 3.34 Sub Total 45.92 45.69 45.11 45.57 192.168.38.210 4.64 4.80 4.54 4.66 Total 50.56 50.49 49.65 50.23 With AirTime Fairness Link Rate
 65 Mbps Link Rate
 130 Mbps
  • 71.
  • 72.
    • Stations haveMore Equalized Performance - Assuming they have the same hardware speed, more equalized performance can be related to more equalized AirTime 72 With AirTime Fairness 210 9.26%170 6.64% 160 18.65% 150 16.76% 140 10.41% 130 17.76% 120 11.25% 110 9.28% Without AirTime Fairness 210 13.35% 170 3.88% 160 16.70% 150 16.60% 140 8.93% 130 19.77% 120 17.05% 110 3.72% Comparison in Between
 Individual Ratio
  • 73.
    73 • 22.24% Improvement Clientswith 130Mbps Link Rate Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17% 20 25.2 30.4 35.6 40.8 46 Without With 45.57 37.28
  • 74.
    74 • -16.64% Deduction Clientwith 65Mbps Link Rate 0 1.4 2.8 4.2 5.6 Without With 4.66 5.59 Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17%
  • 75.
    75 • 17.17% Improvement Overall 30 35.5 41 46.5 52 WithoutWith 50.23 42.87 Without
 AirTime Fairness With
 AirTime Fairness Difference Improvem ent 192.168.38. 110 1.60 4.67 3.07 191.88% 192.168.38. 120 7.34 5.66 -1.68 -22.89% 192.168.38. 130 8.51 8.84 0.33 3.88% 192.168.38. 140 3.84 5.24 1.4 36.46% 192.168.38. 150 7.14 8.44 1.3 18.21% 192.168.38. 160 7.19 9.39 2.2 30.60% 192.168.38. 170 1.67 3.34 1.67 100.00% Sub Total 37.28 45.57 8.29 22.24% 192.168.38. 210 5.59 4.66 -0.93 -16.64% Total 42.87 50.23 7.36 17.17%
  • 76.
    Summary of AirTimeFairness 76 • Improve Overall WiFi Performance, in Most Cases - Stations with Good Link Rate get Increased - Stations with Poor Link Rate get Decreased • Hint: In Central AP Management >> Load Balance, set Force Overload Disassociation as by single Strength
  • 77.
    77 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 78.
    78 AP Station Statistics •Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly
  • 79.
    79 AP Station Statistics •Connected and Not Connected (Nearby)
  • 80.
  • 81.
  • 82.
    82 AP Station Statistics •Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly • Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
  • 83.
    83 AP Station Statistics •Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly• Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
  • 84.
    84 AP Station Statistics •Connected and Not Connected (Nearby) - Last 2 Hours / Daily / Weekly• Analyze “Nearby” - Close Nearby: Visiting (signal > -65 dBm) - Far Nearby: Passing (signal < -65 dBm)
  • 85.
    85 Outline • High Availability •User Management - Customized Login Page Logo - Create Accounts for Accommodations • AP Management - Setup, Configure, and Maintenance - Management Methods • WiFi Airtime Fairness • AP Station Statistics • Bandwidth Management
  • 86.
    86 Bandwidth Management • BandwidthLimit • Session Limit • QoS
  • 87.
  • 88.
    88 • Default –if no specified rule for this IP address • Auto Adjustment to utilize bandwidth
 
 • Check Data Flow Monitor Bandwidth Limit
  • 89.
  • 90.
    90 • Specified  rule  for  IP  address(es)   Bandwidth Limit
  • 91.
  • 92.
  • 93.
  • 94.
  • 95.
  • 96.
    96 • Check QoSStatus • Flexible Bandwidth Allocating - “Others” is eligible to use more bandwidth when possible QoS
  • 97.