The solution of broadband drop in Ann TCM campus

Under the awaited of the student group, the broadband in the new area of TCM was finally opened. But some people say that the campus network connection will soon fall off the line, but also quite a lot. But the desire for school to say is unlikely, recalled the summer has been a network anomaly. So some experience.

Today, this method of experimentation is feasible and thus shared.

In fact, it should be the computer configuration and switch mismatch caused, when you find that you have a connection after the IP address is 0.0.0.0 the instructions were successful.

1. Start Menu Search "Network and Sharing Center" open

2. Open the left side to change the adapter settings.

3. Right-click on the local Connection property. and click the "Configure" button

4. Select the "Advanced" tab

5. Set "Speed and duplex Link Speed/duplex Mode" to 100Mbps full duplex

6. Close IPV4 Check and Uninstall

Ok.

Attached: Online Some people's configuration method "helps to improve efficiency"

Checksum Offload Packet checksum recommended shutdown
Flow control traffic controls must be turned off
IEEE802.1P Support IEEE802.1P supports recommendations to close
Jumbo Frame Payload Size Default is 1500 This is a new setting for the gigabit network, described in detail below.
Low power state Link speed NIC Power saving recommendations off
The Network Address mac changes by default to not exist generally do not have to change
Optimize for Cpu/throughput CPU consumption optimization or optimization for throughput, set to CPU, the speed of the network card is limited, but the CPU consumption will be very low, if changed to throughput, the performance of the network card can fully play, But CPU usage will also rise a lot.
Segmentation Offload recommends closing
Speed/duplex Settings Full Autonegotiation (fully adaptive, generally without modification)
VLAN Id Default is 1 do not change
VLAN Support VLAN supports general shutdown
Wake on Magic Packet Magic Packet Wake-up recommendation off
Wake on pattern suggested close
WakeOnLAN from POWEROFF recommended close
8168/8111C Network card Advanced Settings
JUMBO FRAME changed to No
802.1q/1p VLAN Tagging changed to OFF
Flow Control changed to OFF
Jumbo Frame changed to OFF
Offload Checksum changed to close
Offload TCP_LARGESEMND changed to close
8169/8167 Network card Advanced Settings
820.1q/1p VLAN tagging=disable
Flow control=disable
Junbo frame=disable
Offload Checksum=disable
Offload Tcp_largesend=disable
Marvell Yukon NIC Advanced Settings
Flow Control-"disabled (or flow control->disable)
Transmit Buffer-"512 (or maxtransmits->200)
Receive Buffer-"512 (or maxreceives->500)
Wake-up function-"Link change wake-up mode (or wakeupmodecap_a->28)
Uninstall TCP/UDP Checksum (IPV4)-"disabled (or *tcpudpchecksumoffloadipv4->0)
Manually add a post type 802.2 in the IPX protocol of the Intranet, the network number is: 00012345 or 12345678 so the boot speed will be faster
Intel Pro 1000 NIC Advanced settings
QoS packet label recommended setting: Disabled
Address suggestion settings for local administration: not present
Transport descriptor recommended settings: 256
Wait for connection suggestion settings: on
Load transfer IP checksum and recommended settings: Open
Load transfer TCP checksum and recommended settings: Off
Sub-load receive IP checksum and recommended settings: Open
Load receiving TCP validation and recommendation settings: off
Wake-Up Link settings recommended settings: Disabled
Wake-Up settings recommended setting: Disabled
Record Link status settings recommended setting: Disabled
Receive descriptor recommended settings: 256
Jumbo frame recommended setting: Disabled
Link speed and Duplex recommended settings: auto-negotiation
Process Control recommended settings: Off
Enable PME recommended settings: Controlling the operating system
Adaptive frame spacing Adjustment recommended setting: Enabled
Interrupt throttling rate recommended setting: Off
Network card Advanced property setting comparison table
1. Turn off power savings when link down power saving is disconnected, we recommend enabling enable.
2. Link Speed/duplex mode connection speed, now the network card is generally 10/100m adaptive, choose the default auto negotiation automatically select.
3. Network performance settings, do not ignore it.
4. Optimal performance optimization settings, we recommend enabling enable.
5. Receive buffer size receives cache sizes, select the largest 64k bytes bar.
6. Wakeup on Arp/ping
Wakeup on link change
Wakeup using APM mode
These are the wake on LAN feature and do not need to be advised to turn off disable.
Link down power saving low-speed connection power saving mode
Link Speed/duplex mode connection speed Duplex
Network address
Optimal Performance Optimized performance
Receive buffer size receives buffering
WakeUp on arp/ping network wake-up via arp/ping
WakeUp on link Change network wake-up via connection changes
WakeUp using APM Mode network Wake-up via APM
Checksum Offload Packet checksum recommendation off (Warcraft problem source)
Flow control traffic controls must be turned off
IEEE802.1P Support IEEE802.1P supports recommendations to close
Jumbo Frame Payload Size default is 1500
Low power state Link speed NIC Power saving recommendations off
The Network Address mac changes by default to not exist generally do not have to change
Optimize for Cpu/throughput CPU consumption optimization or optimization for throughput, set to CPU, the speed of the network card is limited, but the CPU consumption will be very low, if changed to throughput, the performance of the network card can fully play, But CPU usage will also rise a lot.
Segmentation Offload recommends closing
Speed/duplex Settings Full Autonegotiation (fully adaptive, generally without modification)
VLAN Id Default is 1 do not change
VLAN Support VLAN supports general shutdown
Wake on Magic Packet Magic Packet Wake-up recommendation off
Wake on pattern suggested close
WakeOnLAN from POWEROFF recommended close
Link downpowersaving Energy Saving mode
Link Speed/duplex Mode Duplex
Network address
Optimal performace Optimization Settings
Receive Buffer Size Buffer
WakeUp on arp/ping network address wakeup
WakeUp using APM mode activated with advanced Power management modes
Checksum offload recommends turning this feature off

1. Turn off power savings when link down power saving is disconnected, we recommend enabling enable.
2. Link Speed/duplex mode connection speed, now the network card is generally 10/100m adaptive, choose the default auto negotiation automatically select.
3. Network performance settings, do not ignore it.
4. Optimal performance optimization settings, we recommend enabling enable.
5. Receive buffer size receives cache sizes, select the largest 64k bytes bar.
6. Wakeup on Arp/ping
Wakeup on link change
Wakeup using APM mode is a wake-on-LAN feature that does not require the recommended shutdown of disable.
802.1q/1p VLAN Tagging Wireless card and virtual LAN connection channel are generally not available
Flow Ontrol control, the control of the network transmission, generally do not set the default is good
Jumbo frame buffer number of frames, without setting
Link Speed/duplex mode connection speed and modes, general Auto is good, 100M and 1000M See your Board network card support, auto recognition on it can be
The network address MAC address, you can modify the network card's physical address
Offload checksum network card data validation, by checksum calculate a value with you accept is not the same, verify that the data is not wrong This is best not to mess with the setting

Ann TCM Campus Broadband off-line solution