mib and oid

First, SNMP introduction 1, monitor network I/O 2, managing the devices running on your computer 3, the agent is running on the monitored server A, then host a can be monitored on Host B of SNMP server. 4, Application layer protocol, can be installed on different platforms, occupy a very small bandwidth, four-step process 5,V1 version is clear text transmission, V3 version encryption transmission Second, MIB The monitored data is represented by

Loop recursion-array, loop recursive array Private Function Fndotoarea ($oid) {$oid = $this->chtid ($oid);$arrtaff = Array ();$ARRT =array ();$arrr = Array ();foreach ($this->select ("Select AreaName, tid from otoarea WHERE oid = '". $oid. "' ") as $ks) {$arrr = Array ("nod

get the data of the database sideDifferent: The Load method queries to the object, if only the OID of the data will not make any query, directly return the OID, if you need to use data other than OID, then follow the above rules to find the corresponding dataL Configure to turn off lazy load--lazy propertiesHibernate lazy load on and offL in the map file. hbm.xm

Standing in the perspective of persistence, hibernate divides objects into 4 states: persistent state, temporary state, Free State, and delete state. The specific method of the session allows the object to transition from one state to another. 　　 Temporary Object (Transient):In the case of a surrogate primary key, the OID is usually null;is not in the session cache;There are no corresponding records in the database.Typically, you create a new object w

can obtain information about related devices from the agent. The network management workstation can modify, add, or delete table items in the proxy. The network management workstation can set a threshold for a specific self-trap. The proxy can send self-traps to the network management workstation. MiB ConceptMiB is called the management information library. a mib describes objects or table items contai

is still the old system information, that is, the red block in the diagram, in the next system change cycle (N+1), the network side began to broadcast a new system information block, that is, the pink content in the picture. The yellow System Information block has not changed in this process.(Figure 2 System Information change process) fields and SIB1 systeminfovaluetag field. If you are modifying the In addition to SIB10/11/12 three kinds of system information, you need to add the message i

Hibernate Persistence class What is a persistent class? The English name of the persistence class in Hibernate is Persistent Object (PO), PO=POJO+HBM mapping configuration file.For the PO in hibernate, there are rules for writing: You must provide a parameterless public construction method. All attributes are to be decorated with private, providing public get/set methods externally. The PO class must provide an identity attribute that corresponds to the primary key in the database, which we cal

First, the merchant table, including the basic information. For the product, just include the basic information. Same. You need to add the merchant ID to indicate the owning. For orders, the merchant should be able to check the number of each item sold and the total price, the above design and can be satisfied. Also, businesses need to count orders. See which users purchased the goods, and how many they purchased. The above design can also be met. Desig

allows us to Accept snmp Packets from any host for debugging.The OID (object identifier) is used as the query content for the connection between two devices. For details about the OID content, see http://www.cnblogs.com/aspx-net/p/3554044.html. Some of the OID protocols are well defined, and some device vendors can define it themselves.After completing the above

Object state and first level cache:(1) Status Description:Hibernate requires three states: Transient , persistent , and off -state.State:Transient state: Transient,session does not have cached objects and the database does not have corresponding records.OID Features: no value.Persistent state: Persistent,session cache object, the database will eventually have a record. (Transaction not submitted)OID features: There are values.Off-State: Detached,sess

my_func (): A = [1] * (10 ** 6) B = [2] * (2*10 ** 7) Del B Return Def cur_python_mem (): Mem_usage = memory_usage (-1, interval = 0.2, timeout = 1) Return mem_usage Def f (a, n = 100 ): Time. sleep (1) B = [a] * n Time. sleep (1) Return B If _ name _ = '_ main __': A = my_func () Print cur_python_mem () Print "" Print memory_usage (f, (1,), {'N': int (1e6)}), interval = 0.5) Run the above Code and the output result is: The Code is as follow

Zabbix monitoring router steps based on SNMP protocolThe procedure is super convenient.1. Turn on SNMP on the router2. Ensure that the extranet can access3. Test with Snmpwalk4. Add Zabbix host, add IP in SNMP Interfaces, remove the default Zabbix agent, module select template SNMP InterfacesSnmpwalk Test Commands[Email protected] init.d]# snmpwalk-v 2c-c public 192.168.1.253 1.3.6.1.2.1.2.2.1.10if-mib::ifinoctets.1 = Counter32:7515379if-

of interest can also being found in what is JMX? And looking for JMX overview, Examples, and more ....Monitoring the JVM through SNMPThe JVM SNMP agent is a small snmpv2c agent which exposes a single MIB, the Jvm-management-mib. This agent isn't extensible, and can only expose what's defined in the that MIB.Follow this link to learn how to start and configure the JVM SNMP agent.In order to manage the JVM t

library (MIB). 1 name= "SYSDESCR">2 value> Siemens, SIMATIC, s7-200value>3 Symbol>The process of including the repository in Conpot is as follows: (for example, introducing Ifnumber from If-mib)1. Download If-mib and Ianaiftype-mib (If-mib's dependency package);1 wget http://www.iana.org/assignments/ianaiftype

): go1.4.2Git commit (client): 786b29d/1.7.1Os/arch (client): LINUX/AMD64Server version:1.7.1Server API version:1.19Go version (server): go1.4.2Git commit (server): 786b29d/1.7.1Os/arch (server): LINUX/AMD64 3.The host executes the Ifconfig command and returns:Docker0 Link encap:ethernet HWaddr ee:25:c5:da:10:47 inet addr:172.17.42.1 Bcast:0.0.0.0 Mask:255.255.0.0 inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:64

BIf _ name _ = '_ main __':A = my_func ()Print cur_python_mem ()Print ""Print memory_usage (f, (1,), {'N': int (1e6)}), interval = 0.5) Run the above Code and the output result is:Copy codeThe Code is as follows:Jay @ Jay-Air :~ /Workspace/python. git/py2014 $ python mem_profile.pyFilename: mem_profile.pyLine # Mem usage Increment Line Contents========================================================== ==========15 8.0 MiB 0.0

mlamb. -(NSString *) macaddress { Int mib [6]; Size_t len; Char * buf; Unsigned char * ptr; Struct if_msghdr * ifm; Struct sockaddr_dl * sdl; Mib [0] = CTL_NET; Mib [1] = AF_ROUTE; Mib [2] = 0; Mib [3] = AF_LINK;

:255.255.255.0#p# page title #e#Up broadcast RUNNING multicast mtu:1500 metric:1RX packets:8700857 errors:0 dropped:0 overruns:0 frame:0TX packets:31533 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:596390239 (568.7 MiB) TX bytes:2886956 (2.7 MiB)Lo Link encap:local Loopbackinet addr:127.0.0.1 mask:255.0.0.0Up LOOPBACK RUNNING mtu:16436 metric:1RX packets:68 errors:0 dropped:0

will receive all multicast packets in the network-A displays all interface information-S Display summary information (similar to netstat-i)Add to configure the IPV6 address for the specified NICDel deletes the IPV6 address of the specified network cardmtunetmaskTunel establishing a tunnelDSTADDR set a remote address to establish point-to-point communication-broadcast-pointtopointMulticast setting the multicast flag for the network cardAddress sets IPV4 addresses for network cardstxqueuelen4. Us

:1RX packets:8700857 errors:0 dropped:0 overruns:0 frame:0TX packets:31533 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:596390239 (568.7 MiB) TX bytes:2886956 (2.7 MiB)Lo Link encap:local Loopbackinet addr:127.0.0.1 mask:255.0.0.0Up LOOPBACK RUNNING mtu:16436 metric:1RX packets:68 errors:0 dropped:0 overruns:0 frame:0TX packets:68 errors:0 dropped:0 overruns:0 carrier:0collisi