Monthly Archives: April 2017

Next-Gen SAN reaching 32Gbps

Cisco MDS still evolving as a platform, and Cisco announced technology innovations for next-generation storage networking, giving 32Gb fibre channel performance across a unified MDS storage director and UCS. Cisco storage solutions can help the network adapt to new storage trends such as flash, NVMe, and converged infrastructure workloads.

You can see here the full announcement.

 

F5 TMOS v13 is out!

F5 launched TMOS v13, What’s new?

  • New Built-in TCP Profiles
  • TCP Nagle “Auto mode”
  • Diameter High Availability
  • SIP and Diameter Connection Auto-Initialization
  • Diameter Election Process Support
  • Diameter In-Band Monitor
  • ECDH and ECDSA
  • DAG v2
  • Enhanced platform diagnostics for iSeries platforms
  • Global VLAN based SYN flood protection

You can read the full release notes here

New Cisco Certs on Programming Skills

We have been observing a lots talk about SDN (and flavours), programmability , APIs, Automation, and so on.  Cisco is launching new Certifications embracing a new Era of Software. So stay relevant! You can read the full article here https://learningnetwork.cisco.com/blogs/talking-tech-with-cisco/2017/04/06/new-certifications-and-training-to-meet-the-needs-of-today-s-digitized-businesses

TAP vs TUN Interfaces

What is the TUN ?
The TUN is Virtual Point-to-Point network device.
TUN driver was designed as low level kernel support for
IP tunneling.

What is the TAP ?
The TAP is a Virtual Ethernet network device.
TAP driver was designed as low level kernel support for
Ethernet tunneling.

What is the difference between TUN driver and TAP driver?
TUN works with IP frames. TAP works with Ethernet frames.

These kind of interfaces are supported in Linux