2016年5月16日 星期一
2015年7月20日 星期一
[Network][Route] How to ping Destination machine successfully
Source Router Destination
111.2.1.100 111.2.1.250 222.7.1.200
+----------+ +----------+ +----------+
| | | | | |
| +------------+ +------------+ |
+----------+ +----------+ +----------+
ip route add 222.7.1.200 via 111.2.1.250
ping 222.7.1.200 success
2013年10月11日 星期五
[Network] How to enable forwarding and disable filtering
[Network] How to enable forwarding and disable filtering
Method 1
echo "1" > /proc/sys/net/ipv4/ip_forward
echo "1" > /proc/sys/net/ipv6/conf/all/forwarding
Method 2
sysctl -w net.ipv4.ip_forward=1
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv4.conf.all.rp_filter=0
Reference :
2013年8月29日 星期四
[Internet] How to configure the network interface
[Internet] How to configure the network interface
sudo vim /etc/network/interfaces
Static
iface eth0 inet static
address 192.168.0.10
netmask 255.255.255.0
network 192.168.0.0
broadcast 192.168.0.255
gateway 192.168.0.1
dns-nameservers 216.10.119.241
DHCP
iface eth0 inet dhcp
sudo ifconfig eth0 down , sudo ifconfig eth0 up
Reference :
2013年4月11日 星期四
[ethtool] How to use ethtool
sudo ethtool eth0
[sudo] password for freeman:
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Half 1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Link partner advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Link partner advertised pause frame use: No
Link partner advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000033 (51)
Link detected: yes (This is show interface online now)
[Ethernet Interface] Ethernet interface can't work properly
[Ethernet Interface] Ethernet interface can't work properly
I installed synergy, but I don't cancel "Synchronize screen savers".
That why cause my ethernet interface can't work properly.
Solution :
My Hard Disk have dual OS.
I switch to windows 7.
cancel "allow computer shutdown this device to save power", then switch Ubuntu 10.04 again.
The interface work properly now.
Reference :
2013年1月31日 星期四
[IPv6][IPv4] IPv6 and IPv4 subnet matrix table
[IPv6][IPv4] IPv6 and IPv4 subnet matrix table
IPv6 subnet matrix table
2001:0DB8:0400:000e:0000:0000:0000:402b
XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX
||| |||| |||| |||| |||| |||| ||||
||| |||| |||| |||| |||| |||| |||128
||| |||| |||| |||| |||| |||| ||124
||| |||| |||| |||| |||| |||| |120
||| |||| |||| |||| |||| |||| 116
||| |||| |||| |||| |||| |||112
||| |||| |||| |||| |||| ||108
||| |||| |||| |||| |||| |104
||| |||| |||| |||| |||| 100
||| |||| |||| |||| |||96
||| |||| |||| |||| ||92
||| |||| |||| |||| |88
||| |||| |||| |||| 84
||| |||| |||| |||80
||| |||| |||| ||76
||| |||| |||| |72
||| |||| |||| 68
||| |||| |||64
||| |||| ||60
||| |||| |56
||| |||| 52
||| |||48
||| ||44
||| |40
||| 36
||32
|28
24
IPv4 subnet matrix table
Reference :
[Net Tool][Network Security] Net Tools
[Net Tool][Network Security] Net Tools
Net Tools is cutting-edge security and network monitoring software for the Internet and Local Area Networks, providing clients with the ability and confidence to meet the challenges of tomorrow's technology.
Reference :
Net Tools is cutting-edge security and network monitoring software for the Internet and Local Area Networks, providing clients with the ability and confidence to meet the challenges of tomorrow's technology.
Reference :
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