The IP SLA is an abbreviation for the Internet Protocol Service-level Agreement, which means the Internet Protocol Service level agreement. IP SLAs are mainly used in the following situations:1. Static route Next-hop detection.2.HSRP out interface detection.The 3.PBR policy routes the next hop detection.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/5
{PRIMARY:NODE0} [Edit Services][Email protected]# ShowRPM {Probe Probe-2nd-line {Test 2nd-isp {Target address 11.22.33.44; //Probe target address, probe type default is Icmp-pingProbe-count 6; How many times, 6 times?Probe-interval 10; The detection interval is 10 seconds each time.Test-interval 15; 6 times a cycle, how many seconds each cycle interval, 15 seconds. It means that there is No 10 seconds to send a ping, 6 times, 6 times, and so on for 15 seconds in a new round of detection.History
{PRIMARY:NODE0} [Edit Services][Email protected]# ShowRPM {Probe Probe-2nd-line {Test 2nd-isp {Target address 11.22.33.44; //Probe target address, probe type default is Icmp-pingProbe-count 6; How many times, 6 times?Probe-interval 10; The detection interval is 10 seconds each time.Test-interval 15; 6 times a cycle, how many seconds each cycle interval, 15 seconds. It means that there is No 10 seconds to send a ping, 6 times, 6 times, and so on for 15 seconds in a new round of detection.History
(Inside, Backup) static61.1.1.4ObjectnetworkOutside-to-backupNat (Inside, Outside) static61.1.1.4ObjectnetworkBackup-to-outsideNat (Inside, Backup) static202.100.1.4-- Two NAT entries are configured for each line to ensure that both static NAT entries can be accessed when an ISP line fails.④ Firewall Policy Configuration:
Class-mapALL_IPMatchanyPolicy-mapglobal_policyClassinspection_defaultInspecticmpClassALL_IPSetconnectiondecrement-ttlService-polic
Ubuntu 15.10 sets static ip Address Allocation fixed ip Address Settings dns settings gateway command line configuration ip fixed ip address does not take effect what to do, ubuntu15.10
Files to be used:
Configure Interface Information
/Etc/network/interfaces
Troubleshoot CentOS7 IP configuration and network problems, and centos7 ip configurationNote content: CentOS7 configuration IP address and network troubleshooting Note Date: 2017.8.1 CentOS7 configuration
Now some hosts have multiple NICs how to configure each NIC with a different IP address for the same network segment:1. Use Ifconfig to see how many network cards are available: I'm hosts are Nic:eth0 and Eth8.An IP has been configured on the eth0 now I need to configure the IP address on the ETH82. First check that the NIC is well connected: for example, if the
Tags: IP source GuardNetwork topology structure:Scenario Description:Core layer: Each VLAN interface gateway is at the core layerAggregation layer: Two stacks, port-channel to the core layer, Port-channel Xia Lian to the access layer, do not run dynamic routingAccess layer: Two port Port-channel, link to two aggregation switches respectivelyObjective:Prevent internal enterprise network from accessing DHCP server through DHCP snooping;Prevent internal
0.0.0.0 GW 172.16.1.106Check out these three newly createddestinationgateway genmaskflagsmetric RefUseIface192.168.1.110172.16.1.106 255.255.255.255UGH00 0eth0192.168.1.0172.16.1.106 255.255.255.0UG00 0eth00.0.0.0 172.16.1.1060.0.0.0ug 00 0eth0 3. Delete a route# route Del-host 192.168.1.110# Route del-net 192.168.1.0/24Third, DNS configurationThe content can only be modified by configuration file:/etc/resolv.conf; Generated by/sbin/dhclient-scriptse
a long time, it is best to save the alias information, there are two general methods, as follows:1. Fill in the/etc/rc.local file with the command to add IP aliasGoing to be all like this ifconfig eth0:0 192.168.6.100 netmask 255.255.255.0 up of the command line to fill in the Rc.local file, rc.local file is the role of Linux boot Automatic command, the detailed use of G or B, here do not specify.This method is the most convenient, but not very relia
0.0.0.0 GW 172.16.1.106Check out these three newly createddestinationgateway genmaskflagsmetric RefUseIface192.168.1.110172.16.1.106 255.255.255.255UGH00 0eth0192.168.1.0172.16.1.106 255.255.255.0UG00 0eth00.0.0.0 172.16.1.1060.0.0.0ug 00 0eth0 3. Delete a route# route Del-host 192.168.1.110# Route del-net 192.168.1.0/24Third, DNS configurationThe content can only be modified by configuration file:/etc/resolv.conf; Generated by/sbin/dhclient-scriptse
165.91.122.67;
Save it for a second.
3. Add the following configuration to the Nginx configuration file nginx.conf , which can be placed in HTTP, server, location, limit_except statement block, and need to pay attention to relative path, In this case, nginx.conf,blocksip.conf is in the same directory.
Copy Code code as follows:
Include blockip.conf;
4. Restart the Nginx ser
Node2-priv.localdomain
Node2-vip
Virtual IP
172.16.0.194
Eth0:1
Node2-priv.localdomain
Node2-priv
Private IP
192.168.94.12
Eth1
Scan-cluster.localdomain
Scan-cluster
SCAN IP
172.16.0.203
Eth0
After IP assignm
I. Configuring a static IP for a wireless networkEdit the/etc/network/interfaces file as follows:192.168. 1.120 255.255. 255.0 192.168. 1.1 # (depending on the situation) DNS 8.8. 8.8 8.8.4.4 # (fill in the details)4. Restart the Network Service command as follows:#/etc/init.d/networking restart5. Set up extranet access DNS editing/etc/resolv.conf as follows:8.8. 8.8 8.8. 4.4This configuration disappears
Sometimes we want the IP address of the Ubuntu14.04 to be static IP address, so that the IP address in Ubuntu is not changed, this will be convenient in the embedded device and host Ubuntu to use the network port for debugging.Static IP address configuration method: In the/e
Linux System Dynamics IP acquisition and Static of addresses IP configuration of the addressToday in Linux The system has done the following experiments in this experiment encountered in the knowledge points and the experimental process is as follows#- 1 . Broadcast protocol options [Bcast] broadcast specify IP
Tags: img blog size POS address first Inux Gate classA graphical interface configuration (assumed to be computer a)If your Linux installation has a graphical interface, configure it in the following ways:I have two network card, the first network card has been configured by DHCP in the previous article: Linux minimized post-installation IP configuration (DHCP get
1.1 IP Address authentication Multi-IP configuration
Add an IP to a network card:
(1) Enter the/etc/sysconfig/network-scripts/directory, cd/etc/sysconfig/network-scripts/
(2) Copy an IP template to the directory, where the Ifcfg-eth0 as the template CP Ifcfg-eth0 ifcfg-et
The acquisition of dynamic IP address of Linux system and configuration of static IP addressToday, after installing the virtual machine and Linux system, the following experiments have been done in this experiment, the knowledge points and the experimental process are as follows#- 1 . broadcast protocol Options [bcast] BROADCAST Specify the for sending
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