บทความเต็มอ่านได้ที่นี้ครับ http://www.symantec.com/connect/articles/tips-installing-sep-low-band-width
1) Keep the Heart Beat intervals to 1 hour and randomize it for 5 Minute .Also keep it in pull mode (Clients----> < The group which the clients reside>---->Policies (Right side)--- >Communication Settings)
2)Keep the liveupdate frequency as daily and schedule it..Symantec will release multiple updates in a day. So if we select a low frequency it will download more revisions and will cause more load on the network.(Admin ---->Servers--->local site---->edit site properties---->liveupdate )
3)Use GUP for the virus definition Distribution .Ensure that you are using MR4 or later (Both in SEPM and in all the clients.).RU5 is recommendable
4)Enable bandwidth throttling for the GUP ( ถ้ามีหลายไซต์ ควรสร้าง LiveUpdate Settings policy ขึ้นมาใหม่ สำหรับแต่ละไซต์)
For RU5 you can do this in the GUI of SEPM.(LU policy --->server settings--->Group update provider). Refer the below figures .
Then assign it to the groups.
5)Update the Installation Package before installing the SEP client .This will reduce the initial download update size.
6)Keep the no. of revision as 30.It will ensure that if a PC is connecting at least once in a 30 days also it will download only delta updates.(If a client is not connecting to SEPM Day by day the delta size will go up).
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7)If you want you can control the bandwidth of SEPM, But be careful while doing this because it may affect the clients communication badly.
Adjust the maximum bandwidth setting in IIS to a value that is less than the slowest WAN connection.
Configure IIS Performance Options:
Click Start, point to Administrative Tools, then click Internet Information Services (IIS) Manager.
Click to expand Server Name, then click to expand Web Sites.
Right-click the web site that is hosting the Endpoint Protection Manager content (either Default Web Site or Symantec Web Server), then click Properties.
Click the Performance tab.
Limit bandwidth usage in one of two ways:
i)Adjust Bandwidth throttling.
Click to select the Limit the network bandwidth available to this Web site check-box.
Adjust the Maximum bandwidth setting to total less than the slowest network link.
Click Apply to save changes.
ii)Modify the total number of web site connections:
Click Connections limited to.
Adjust the total number of connections allowed to this website to alleviate bandwidth usage issues while still maintaining functionality.
Click Apply to save changes.
Note: when setting max connections for the site make sure to include enough connections to allow the manager to function as well (The SEPM- Console uses 3 connections when open).
Note: If the SEPM is installed to the default web site it is possible that connectivity to other content within that site will become unavailable until a connection is released for use.
กราฟหลังจากปรับค่าเกี่ยวกับ SEPM
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