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Channel: Syed Jahanzaib – Personal Blog to Share Knowledge !
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Freeradius 3 with Mikrotik – Part-1 # Time to upgrade

Disclaimer! This is important! Every Network is different , so one solution cannot be applied to all. Therefore try to understand logics & create or modify the solutions as per your network...

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DMASOFTLAB Radius Manager – Adding custom attribute to facilitate Dynamic...

Quick Recipe: If you are using DMA Radius Manager & want to assign Dynamic Address list to a service so that user can automatically be added to dynamic address list under NAS, you can do so by...

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Assigning friendly/fix name to USB device

Teltonika Usb Modem Scenario: We have Teltonika USB modem connected to our Linux box (Ubuntu) & Kannel is configured as SMS gateway for our network devices so that they can send Info/Alert SMS...

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Virtualization: Quick Notes for myself

ESXI Server: ‘SEL Fullness’ message Recently after upgrading ESXI from 6.5 to 6.7u3 on Lenovo (IBM) x3650 M5 machine, I received following error on vsphere web client System Management Software 1 SEL...

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Cisco Switch: Upgrading Firmwares & Recovering from Failed ones !

If it ain’t broke, don’t fix it ! So true Z@ib Quick notes for myself: After recent detailed network/systems audit, we had to upgrade several cisco switches firmwares. During the upgrade/update...

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Intervlan Routing with Mikrotik DHCP Option 121 & 249

Disclaimer! This is important! My humble request is that kindly donot consider me as an expert on this stuff, I am NOT certified in anything Mikrotik/Cisco/Linux or Windows. However I have worked with...

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Short notes for UNBOUND Caching DNS Server under Ubuntu 18

Installation of UNBOUND dns server for local network is fairly simple but I encountered some hurdles setting it up with Ubuntu 18 therefore I took notes on how I resolved it in this post for reference...

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Mikrotik – Packet Chain Topology

  Firewall Mangle Firewall mangle is used to mark IP packet. These marks are used by other router facilities like routing, firewall filter and bandwidth management to identified the packets. Moreover...

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TACACS+ Cisco centralized authentication server

Disclaimer: My humble request, Kindly donot consider me as an expert on this stuff, I am NOT certified in anything Mikrotik/Cisco/Linux or Windows. However I have worked with some core networks and I...

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CGNAT Deployment using Mikrotik RouterOS

Incomplete Post, this contains only src-nat part, second method of NETMAP will  be added soon which is far more simple & efficient as compared to the src-nat method My humble request, Kindly donot...

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Syslog-ng – Part 3: Minimized logging to mysql with dynamic tables & trimming

Revision: 7th-JAN-2020 Part # 1 – Howto Save Mikrotik/Cisco Logs to Remote SYSLOG Server Part # 2 – Centralized Syslog-ng logging to MySql DB Part # 3 Minimized logging to mysql with dynamic tables...

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Restricting Lotus Domino Email Flow for Local Groups

We are using Lotus Domino 8.5.3.xxx series mail server which have many local groups along with associated members in it. Yesterday an valid external user sent annoying email to some of local groups...

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Mikrotik to Mikrotik/Cisco Bonding – Reference Notes

This post was made for self reference purposes, so that I can find the configs easily from this page when needed again. This post describes possible methods of creating ethernet interfaces bonding...

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Mikrotik Queue Tree with Traffic Priority

Mikrotik Queue tree with Traffic Priority Example if you have assigned user with 1 mb profile, & if user is doing full download, his stream will get degrade, buffered because IDM will fetch using...

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mySQL Master-Slave Replication Notes

  This post contains short notes on how we can create mySQL master to slave replication. It is generally required to fulfill multi stage backup topology. Example using the SLAVE server, we can have...

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Vmware VCenter inaccessible Datastore

Recently one of our VCenter 6.7 got crashed & services were not accessible, I spent hours but couldn’t restore it. To save time in further troubleshooting we removed the VC from the esxi server ....

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Cisco 10G Switch & Lenovo SFP Module Compatibility issue

Recently we acquired cisco 10g SFP+ switch to be added in existing stack. While trying to connect Lenovo ThinkSystem SR650 (P.No: 7X06CTO1WW ) server along with lenovo provide SFP+ modules (P.No...

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DMA Radius – Bash scripts for Daily renewal/expiry account reporting

Posting it form old archives. Following are two bash scripts that can perform following actions renewal_alert.sh > Sends email to admin for accounts renewed at end of the day along with few other...

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Possibilities: Mikrotik PPP Disconnection/Yellow Sign Problems

Disclaimer! This is important! Every Network is different , so one solution cannot be fit/applied to all. Therefore try to understand logics & create or modify the solutions as per your network...

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netElastic vBNG

Pending Post … (vBNG) is a high-performance software router that runs on any server system from any x86 vendor. vBNG supports all common features such as PPPoE and IPoE, subscriber traffic policing and...

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