Network Management

The Entity-MIB contains a table that maps Entity Indexes to the ifTable index.  Does the reverse table exist?e.g:ENTITY-MIB::entAliasMappingIdentifier.4102.0 SNMPv2-SMI::mib-2.2.2.1.1.51So, if I were interested in entity 4102, I could look up additio...

Dear All,I am a novice network person who needs a little advice pleaseAt home I have a SG110-16HP 16 Port Gigabit PoE Switch that connects to various LAN sockets around my homeThe PoE sockets are used to connect directly to 3 access points (Ubiquiti)...

hi i am learning for ccna and i always understood what vlan do but i didnt realize why should i give it an ip address  and on the physical port how do change the native vlan, from what i learned you give the port ip and not puting the encapsulation c...

hi everyoneim learning to ccna 200-301 and i wonder if someone can explain to me the different between central office and point of presence thanks (:

I have downloaded these 2 Tcl scripts from this previous discussion and from the sounds of it it's exactly what I've been looking for. But the problem is I'm new to EEM and have no idea how to go about putting these on the switches themselves. I've s...

HiI have 5 access points on a building and no radius server or controller. They are set up as autonomous and each has been configured with WPAv2 mandatory with a set WEP key that is easy for my users to remember. Now want to use one of the access poi...

 1. wanted to know what is the connction  i need /smart to do between router and routerrouter and L3 switch L3 switch and L2 switch  2. pretty much related to the previous question, is it smart to connect L2 switch and L3 switch and make the L3 switc...

In my enviorment i want to delpoy thirdparty Network Managment system on Hyper-v for SNMP monitorning.For high Availability i want to install Primay and Standby Netowrk Management  Server on Hyper-V Cluster.  we will use share storage for both server...

Hi  What is the best practise for upgrading prime from 3.5 to 3.8? 

Currently we have Prime 3.7 acting as the syslog server on our network.  What is the default data retention time for these syslog messages, and can it be changed?  I cannot find a way to alter or even see the retention time anywhere in the Prime Infr...

Hi  I have this problem, after upgrade CPI to version 3.7 the server backup job fail with this message"find: '/localdisk/tftp/VLAN_1473529_647433164830852.cfg': No such file or directory"I don't know why this message appear, I don't touch any files i...

hi im in the middle of learning the ccna and i want to know  1. can different port channel be with the same number and if so, should i do it and what if i dont want to get comfused can i put all my port channel that i have in the same number 2. same ...

Hi, We have a couple of Cisco ASR 9Ks as our border routers with multiple 10G connections to our ISPs.  We maintain full BGP routes to our ISPs.  We periodically discover bad actors (fishing sites impersonating our login pages, ssh dictionary attacks...

Topology: I have 4 Different vlans(10Mitarbeiter,20Informatik,30Kader,40Support) Communication between them works fine. I have set up the DHCP server like this:  However when I try to use dhcp on any machine it does not work. It always goes to APIPA....