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  • How to Install Putty in Ubuntu ?

    gannicus@gannicus:~$ sudo apt-get update Hit:1 http://no.archive.ubuntu.com/ubuntu bionic InRelease Get:2 http://no.archive.ubuntu.com/ubuntu bionic-updates InRelease [88,7 kB] Ign:3 http://dl.google.com/linux/chrome/deb stable InRelease Hit:4 http://linux.teamviewer.com/deb stable InRelease Hit:5 http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu bionic InRelease Hit:6 http://dl.google.com/linux/chrome/deb stable Release Get:7 http://no.archive.ubuntu.com/ubuntu…

    Linux

  • What is Bidirectional Forwarding Detection (BFD) on Junos ?

    The Bidirectional Forwarding Detection (BFD) protocol is a simple mechanism that detects failures in a network and works in a wide variety of network environments and topologies. In BFD operation, switches exchanges…

    Juniper Network

  • Unified In-Service Software Upgrade (ISSU) on Juniper

    The unified in-service software upgrade (ISSU) feature enables you to upgrade between two different Junos OS releases with no disruption on the control plane and with minimal disruption of traffic.  NOTE:Unified ISSU is supported…

    Juniper Network

  • ROUTING POLICIES and FIREWALL FILTERS

     ​​​​ ROUTING POLICIES​​ ExplainA routing policy enables you to control (filter) which routes a routing protocol imports into the routing table and which routes a routing protocol exports​​ from the routing table. A routing policy…
    Juniper Network

  • JUNIPER DEVICES CLI — CHANGE ROOT PASSWORD

      You can change root password on juniper devices like this: 1.OPTION: *Connect to switch by putty *4start switch *press control+c *choose recovery mode  from boot menu *root> configureEntering configuration mode root#…

    Juniper Network

  • NETWORKING TUNNELS with Dynamic Routing Protocols on Juniper Devices

    NETWORKING TUNNELS *Network tunnel s typically bridge networks*Traffic can be encrypted*Examples of tunnel use includes: ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Hiding network traffic ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Providing dedudant ​​ links ​​ ​​ ​​ ​​ ​​ ​​ ​​​​ Sending non-IP over IP Networks*Encapsulators and decapsulatiors are better known as tunnel endpoins*Tunnel layersMost networks…
    Juniper Network

  • IS-IS ROUTING PROTOCOL CONFIGURATION ON JUNIPER

    IS-IS ROUTING PROTOCOL(Intermediate System-to-Intermediate System)*Link state ​​ protocol​​ ve IGP​​ protocol and​​ runs over​​ ​​ CLNS​​ *ISIS​​ doen not have phsichal​​ (Necessary for​​ Ospf )*Can support ​​ 1000 router​​ in​​ IS-IS area ​​ ​​ ​​ . (OSPF 50​​ only​​ )*Using​​ PARTIACL ROUTE Calculation (rpc)​​ algorithma​​ ​​ in IS-IS ip routing table​​ Use​​ SPF algorithm for connection…
    Juniper Network

  • OSPF Routing Protocol Configuration on Juniper Devices

    OSPF Routing Protocol OSPF has 3 types versionOSPv1, OSPv2,OSPv3​​ Routers running OSPF will usually use the destination IP Addresses 224.0..0.5 and 224.0.0.6 to send hello packets and LSAs onto the network segmentUses shortest path OSPF…
    Juniper Network

  • Routing Protocols Owerview

      Routing Protocol Types 1-Static 2-Distance Vector Protocols There are max hub Does not calculate Distance vector protocols are  “route by rumor” It is ok for middle networks They use split horizon…

    Juniper Network

  • Juniper Software upgrades on a switch with a single Routing Engine

      1-Download the software package. 2-(Optional) Back up the current software configuration to a second storage option. See the Junos OS Installation and Upgrade Guide for instructions on performing this task.  …

    Juniper Network

  • Juniper – Assign IP Address on switch

      Fxp0: management interface  Cli Configure To configure a management  port by CLI commands.    Use the command “family inet address” to configure a management IP address on the interface.   set…

    Juniper Network

  • Juniper -Factory Default Setting

      *How to Factory Default settings? >load factory-default   *You can assign a root password below: >set system root-authentication plain-text-password and commit   Note: Do you need the  Juniper CLI guide course…

    Juniper Network

  • Juniper Devices Session TIMEOUT

      Aktif network ekipmanlarında network yöneticilerin en çok göz ardı ettiği ve aslında güvenlik unsurlarından biri olarak göze çarpan durumlardan biriside console ile cihaza bağlanıldıktan sonra logout yapılmamasıdır. Bu tarz durumları önlemek…

    Juniper Network

  • Junper EX serisi Cihazlarda Multicast Sorunu — IGMP Snooping

    Junper EX serisi Cihazlarda Multicast Sorunu — igmp snooping Juniper tarafında switch ekipmanlarını yeni kullanıyorsanız zaman zaman fabrika ayarları ile gelen tanımlamalar başınızı ağrıtabilir. Bunlardan bir tanesi ise igmp snooping özelliğinin tüm…

    Juniper Network

  • Juniper Erros -Missing privilege separation directory: /var/empty

    Missing privilege separation directory: /var/empty If you have this error on your juniper devices   *Please close first ssh service Dec 20 12:56:26 c80 sshd[24597]: fatal: Missing privilege separation directory: /var/empty delete…

    Juniper Network