f5負(fù)載均衡設(shè)備培訓(xùn)(編輯修改稿)
2025-02-26 11:17 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 107 108 99 ftp 2 3 25 1 2 If pool uses Least Connections (member) load balancing method, then… 48 If using Node 1 2 Inter Next requests go to IP Address with fewest total connections Current Connections 107 108 99 ftp 2 3 25 49 Configuring Load Balancing 50 Ratio Priority Group Activation 51 Module 3 – Monitors Inter :80 52 Module 3 Outline ? Monitor Concepts ? Configuring Monitors ? Assigning Monitors ? Node and Member Status ? Health Monitor Labs 53 Monitor Concepts ? Address Check – Node – IP Address ? Service Check – IP : port ? Content Check – IP : port plus check data returned ? Interactive Check ? Path Check 54 Address Check Steps – Packets sent to IP Addresses – If no response, then no traffic sent to members using that node address Example ICMP Inter ICMP 55 Service Check Steps – Opens TCP connection (IP Address : service) – Connection closed – If TCP connection fails, then no traffic sent to associated Members – Example – TCP Inter TCP Connection 56 Content Check Inter Steps – Opens TCP connection (IP Address : service) – Sends a request – Response returns data – Connection closed – If Receive Rule not found in data, then no traffic sent to associated Members – Example – GET / 57 Interactive Check Inter Steps – Opens TCP connection (IP Address : service) – Interactive conversation to simulate realworld – Connection closed – If expected results do not occur, then no traffic sent to associated Members – Example – SQL request conversation 58 Path Check Steps – Sends packet through, not to the device – Can check IP Address, Service or Content – If condition not met, then no traffic sent through associated member Link Cntl ISP2 ISP1 ISP1 59 Configuring Monitors ? System Supplied Monitors (Templates) – Address Checks (icmp) – Service Checks (tcp) – Content Checks () – Interactive Checks (ftp) – Availability: ? All templates can be customized ? Some can be Assigned “asis” ? Some can only be used as Templates for Custom Monitors 60 Creating Custom Monitors 61 Additional Monitor Parameters ? Receive Rule – If content found, Node marked Up ? Reverse Receive Rule – If content found, Node marked Down ? Transparent – If Path Available, Node marked Up – Used for monitoring Links 62 Monitor Timers ? Frequency (Interval) ? Timeout ? Remended – 5n + 1 63 Assigning Monitors ? Default for all Nodes ? Single Node Options – Node Default – Node Specific – None ? Default all Members of a Pool ? Single Pool Member Options – Inherit from Pool – Member Specific – None 64 Assigning Monitors to Nodes For one Node 65 Assigning Monitors to Pools For one Member 66 Member and Node Status ParentChild Status ? Node ? Member ? Pool ? Virtual Server Status ? Available – Green Circle ? Offline – Red Diamond ? Unknown – Blue Square 67 Module 4 – Profiles Inter Virtual Server Pro
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