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/F "delims =: tokens = 2 "% I in ('" ipconfig | find/I "Default Gateway" | findstr [0-9]. "') do set origw = % I: Get the MAC address of the default gateway: getmacset MAC = for/F "Skip = 3 tokens = 2" % I in ('Arp-A % origw % ') do set MAC = % iecho % Mac % | findstr \-: there is a problem here. In fact, Ping failure (for example, the gateway disables ping) does not matter, all we need is its MAC address: If the MAC address is not resolved, do not use it as the default gateway. . Therefore, the
('Arp-a % origw % ') do set mac = % I Echo % mac % | findstr \- : There is a problem here. In fact, it doesn't matter if the ping fails (for example, the gateway disables the ping). All we need is its MAC address. : If the MAC address is not resolved, do not use it as the default gateway. Therefore, the correct method should be a counter, continuous : Failed to get MAC twice. If ERRORLEVEL 1 ( Ping % origw %-n 1 If ERRORLEVEL 1 goto end Goto GetMac ) Set gw
latter, the method is the same as Hg. If it is git, It is troublesome, but it is not unsolvable:First download a protocol conversion tool: http://www.meadowy.org /~ Gotoh/ssh/connect. cCompiled by: gcc-O connect. cPlace the generated connect to the executable file path, such as/usr/bin. Create a script using the proxy, for example, HTTP-proxy-GW. Note that the executable attribute is added. The content is as follows:#! /Bin/sh# Filename :~ /Bin/HTTP-
$GOPATH/src/github.com/grpc-ecosystem/grpc-gateway/third_ Party/googleapis --go_out=mgoogle/api/annotations.proto=github.com/grpc-ecosystem/grpc-gateway/third_party /GOOGLEAPIS/GOOGLE/API,PLUGINS=GRPC:. Pb/helloworld.proto The Helloworld.pb.go file is generated in the PB directory at this time.Generate reverse proxy codeRun the following command to generate the reverse proxy code,$ python-m grpc.tools.protoc-i. -i/usr/local/include-I $GOPATH/src-i $GOPA
Currently, dynamic routing and Static Routing are widely used. Here we mainly analyze the statements and steps of dynamic routing configuration for dynamic routing. Dynamic Routing means that the dynamic routing protocol (such as RIP) automatically creates a route table. When you remove a line, it automatically removes its route. Each interface in the dynamic routing configuration corresponds to a different network, and the IP addresses of the two endpoints connecting the two routers should belo
The client needs to route some network segments to specific routes and use route to add rules. [Root @ localhost ~] # Routeadd-net192.168.192.0/24gw192. 168.191.1 description: routeadd-net needs to add the network segment gw gateway address but each restart server... The client needs to route some network segments to specific routes and use route to add rules. [Root @ localhost ~] # Route add-net 192.168.192.0/24
1. IPV6 basic configuration 650) this. width = 650; "onclick = 'window. open (" http://blog.51cto.com/viewpic.php? Refimg = "+ this. src) 'onclick =" window. open ("http://blog.51cto.com/viewpic.php? Refimg = "+ this. src) "src = ".. /attachment/201103/161315293 .jpg" border = "0" alt = ""/> Note: PC1 and PC2 are both XP dual-protocol stack systems, but the environment only uses the IPV6 address UTM1, UTM2 is a linux dual-protocol stack system with multiple NICs. In this environment, only IPV6 a
PHP executes the linux command # vim/etc/rc. d/rc. localrouteadddefaultgw192.168.0.255eth0routeadd-net10.0.1.0netmask1_255.255.0gw PHP executes the linux command # Vim/etc/rc. d/rc. local Route add default gw 192.168.0.255 eth0 Route add-net 10.0.1.0 netmask 255.255.255.0 gw 192.168.0.255 eth0 : Wq I know that PHP calls the underlying system commands with exec, but I want to know how to execute t
configuration, and then modify.2) directly edit or hand-Write the configuration file above./Etc/sysconfig/network-scripts/ifcfg-eth0 ====================== Nic Configuration/Etc/resolv. conf ====================> DNS client ConfigurationTip: the above two methods generally need to be restarted or reloaded/etc/init. d/network restart or/etc/init. d/network reload to take effect.############################## 4) configure and modify the gateway gw:####
eth0 192.168.1.1 netmask 255.255.255.0 set the IP address 192.168.1.1 of NIC 1, mask 255.255.255.0 Ifconfig eth0: 1 192.168.1.2 bind the second address of Network Card 1 to 192.168.1.2 Ifconfig eth0: x 192.168.1.n the nth address of Network Card 1 bound to 192.168.1.n For example: # Ifconfig eth0: 1 192.168.1.11 # Ifconfig Eth0 Link encap: Ethernet HWaddr 00: 0C: 29: 06: 9C: 24 Inet addr: 192.168.1.5 Bcast: 192.168.1.255 Mask: 255.255.255.0 Up broadcast running multicast mtu: 1500 Metric: 1 RX
Protected] network-scripts]# Cat ifcfg-eth1device=eth1type=ethernetonboot=yesnm_controlled=nonebootproto= Staticipaddr=172.16.0.1prefix=164>. gave R2 Host eth1 and the eth2 Interface Configuration IP Address[email protected] network-scripts]# cat ifcfg-eth1device=eth1type=ethernetonboot=yesnm_controlled=yesbootproto= Staticipaddr=172.16.0.2prefix=16[[email protected] network-scripts]# cat ifcfg-eth2device=eth2bootproto=noneipaddr =192.168.1.1netmask=255.255.255.05>. temporarily designate a host
controlling the behavior of the network-related files and daemons. Here is an example file:Networking=yesHostname=machine1gateway=210.34.6.2Forward_ipv4=yesgatewaydev=Where network=yes/no indicates whether the network is configured;Hostname=hostname HOSTNAME represents the host name of the server;Gateway=gw-ip Gw-ip represents the IP address of the network gateway;Forward_ipv4=yes/no whether the IP forward
number, user ID instead of host, protocol, user and other name information-P Displays the process name and the corresponding process ID number-L displays only the socket interface information being monitored-U View UDP connection Information-T View TCPNetstat-lnpTCP 0 0 127.0.1.1:53 0.0.0.0:* LISTENTop [-d|-p] Refresh interval view PID process informationInput m can be used according to memory usage, n can select output color according to process number, ZTop-d 1-pRoute View routing Information
The automated DHCP service shell script is as follows:#vim auto_dhcp.sh#!/bin/bashread-p "pleaseinputyourip:" IP #设置dhcp服务器ipread -p "pleaseinputyourgw:" GW #设置dhcp服务器网关IPNET =$ (echo $IP |awk-F. ' {print$1 '. " $ "." $ "$} ') #取网段号 ip_conf="/etc/sysconfig/network-scripts/ifcfg-eth0 " #ip配置文件sed -i ' s/ipaddr=.*/ipaddr= ' "$IP" '/' $IP _confsed-i ' s/gateway=.*/ Gateway= ' "$GW" '/' $IP _confservicene
-240.0.0.0! 0-0-Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[[email protected] ~]# Route del-net 224.0.0.0 netmask 240.0.0.0 reject#p# page title #e#[Email protected] ~]# routeKernel IP Routing TableDestination Gateway genmask Flags Metric Ref use Iface192.168.120.0 * 255.255.255.0 U 0 0 0 eth0192.168.0.0 192.168.120.1 255.255.0.0 UG 0 0 0 eth010.0.0.0 192.168.120.1 255.0.0.0 UG 0 0 0 eth0Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[Email protected] ~]#DescriptionExample 5: Delete and add set
Iface192.168.120.0 * 255.255.255.0 U 0 0 0 eth0192.168.0.0 192.168.120.1 255.255.0.0 UG 0 0 0 eth010.0.0.0 192.168.120.1 255.0.0.0 UG 0 0 0 eth0Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[Email protected] ~]#DescriptionExample 5: Delete and add set default gatewayCommand:Route del default GW 192.168.120.240Route add default GW 192.168.120.240Output:[Email protected] ~]# route del default
-Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[Email protected] ~]# Route del-net 224.0.0.0 netmask 240.0.0.0 Reject[Email protected] ~]# routeKernel IP Routing TableDestination Gateway genmask Flags Metric Ref use Iface192.168.120.0 * 255.255.255.0 U 0 0 0 eth0192.168.0.0 192.168.120.1 255.255.0.0 UG 0 0 0 eth010.0.0.0 192.168.120.1 255.0.0.0 UG 0 0 0 eth0Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[Email protected] ~]#DescriptionExample 5: Delete and add set default gatewayCommand:Copy CodeTh
eth0[Email protected] ~]# Route del-net 224.0.0.0 netmask 240.0.0.0 Reject[Email protected] ~]# routeKernel IP Routing TableDestination Gateway genmask Flags Metric Ref use Iface192.168.120.0 * 255.255.255.0 U 0 0 0 eth0192.168.0.0 192.168.120.1 255.255.0.0 UG 0 0 0 eth010.0.0.0 192.168.120.1 255.0.0.0 UG 0 0 0 eth0Default 192.168.120.240 0.0.0.0 UG 0 0 0 eth0[Email protected] ~]#DescriptionExample 5: Delete and add set default gatewayCommand:Copy CodeThe code is as follows:Route del default
1, immediately effective, the changes made after restarting the network service or host failureA. network card, IP, maskNetwork card naming methodEthernet: EthXIfconfig is a network card that is used to view the active status on the current host, and can also be configured, enabled, or disabled for the commandIFCONFIG-A: View all network cards on the hostIfconfig eth0: View information for eth0 NICSpecify IP address: ifconfig eth0 192.168.1.1/24Ifconfig eth0 172.16.10.1/16Ifconfig eth0 10.0.0.0/
First, the basic knowledge of the network:IP routing table acquired on the device side[[email protected]/] # Route–nKernel IP Routing TableDestination Gateway genmask Flags Metric Ref use IfaceDefault 192.168.1.1 0.0.0.0 UG 0 0 0 apcli0Default 192.168.2.254 0.0.0.0 UG 0 0 0 ra010.8.164.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 apcli0192.168.2.0 0.0.0.0 255.255.255.0 U 0 0 0 ra01 route Command parameters[Email protected] ~]# route [-nee][[email protected] ~]# r
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