r1 backup

[Lab environment] C3640-IK9O3S-M Version 12.4 (10) + NM-16ESW Module [PURPOSE] Multiple groups of HSRP are used to automatically switch the gateway and share the load. Normally, R1 serves as the gateway for VLAN 100, and R2 serves as the gateway for

Background:The physical memory of the master and slave machines is doubled. After the memory is expanded, You need to modify the memory parameters related to the database, including the database and operating system. After doubling the memory size

Oracle 12c R1 physical standby uard physical standby database enable real-time apply The physical standby database is always in the mount state, which is inconvenient for Data Synchronization verification. Enabling real-time apply enables real-time

Hot Backup Redundancy technology HSRP1 , what is hot backup redundancy technology? Hot Standby redundancy (HSRP) is the process of composing multiple routers into a "hot backup group", forming a virtual router, andSelect an active router in the

Pick up an article3 Configuring Environment Variables for OracleOracle_base=/u01/app/oracletmp=/tmptmpdir=/tmporacle_home= $ORACLE _base/product/12.1.0/dbhome_1oracle_sid= Orclexport oracle_sid oracle_base oracle_home TMP tmpdirpath= $PATH:.:

HSRPThe hot backup router protocol is designed to support the failure of IP traffic transfer under certain circumstances, which will not cause confusion and allow the host to use a single router, and maintain the connectivity between routers even if

C # regular expression,For a while, regular expression learning was very popular. At that time, I could see several regular expression posts in one day at CSDN, during that time, I learned some basic knowledge through the C # string and regular

One, what is flume?As a real-time log collection system developed by Cloudera, Flume is recognized and widely used by the industry. The initial release version of Flume is currently known collectively as Flume OG (original Generation), which belongs

It is best to divide the routing load balancing network segments. This will not disrupt the routing behavior at the network layer, because the host or router forwards each packet through the "Route" found in the route table, unless the load

I. Overview: When listening to the course of yeslab QIN Ke's SecV3 SNF (ASA), the windows host will send a DNS request to the primary DNS and the standby DNS at the same time, so the building environment is ready for verification. Ii. Basic test