How to setup a redundant WLAN point-to-point connection with aruba AP 387

Hello guys, today I want to tell you how to create a redundant point-to-point connection with Aruba 387 access points.   Let’s look at the background The customer has 2 warehouses which are about 150 meters apart and connected by WLAN. The previous WLAN solution manages the redundancy with cold standby devices. Unfortunately the problem … Read more

VLAN based QoS on a HPE comware Switch

Good afternoon my fellows! There are many ways to configure quality of service (QoS) on a switch. First we need to classify what we want to be on a higher priority. You can classify an access-list, vendor-mac-addresses or just everything/any. In my case I wanted to prioritize a whole VLAN (ID 17 in my case). … Read more

How to use 802.1x/mac-auth and dynamic VLAN assignment

Hello guys! Today I want to show you how to secure your edge-switches with 802.1x and mac-authentication fallback in combination with HPE comware-based switches. The 802.1x protocol is used for network access control. For devices like printers, cameras, etc. we will use mac-authentication as a fallback. We will also use dynamic VLAN assignment for the … Read more

Virtual Router Redundancy Protocol with Comware Switches

Virtual Router Redundancy Protocol is easy to configure on a comware switch. Each device needs an IP address within the subnet, after this you can configure a virtual-IP for the VLAN-interface: CoreSwitch1: interface Vlan-interface1 ip address 10.0.0.135 255.192.0.0 vrrp vrid 1 virtual-ip 10.0.0.54 vrrp vrid 1 priority 120 CoreSwitch2: interface Vlan-interface1 ip address 10.0.0.136 255.192.0.0 … Read more

Spanning-Tree between HP Comware and Cisco

In the past, I had many problems with a heterogene infrastructure containing HPE 5000 Comware devices and Cisco Catalyst switches. I couldn’t get Multiple Spanning-Tree (MSTP) on the run (same revision number, same case-sensitive region-name). So we decided to go on with Per VLAN Rapid Spanning-Tree. But this also didn’t work, also no other VLANs that … Read more

Using 40GE QSFP to 4x 10GE SFP+ splitter cable

Today I was very frustrated when I connect a 40GE QSFP to 4x 10GE SFP+ splitter cable to a HPE FlexFabric 5700 48G 4XG 2QSFP+ switch (JG894A). I received the following message: [HPE]%Jan 8 19:02:19:652 2011 HPE OPTMOD/4/MODULE_IN: FortyGigE1/0/54: The transceiver is STACK_QSFP_PLUS_4SFP_PLUS. [HPE]%Jan 8 19:02:50:826 2011 HPE OPTMOD/3/TYPE_ERR: FortyGigE1/0/54: Transceiver type not supported! First reaction: … Read more

How to install HPE IMC

Today I want to show you how to install HPE Intelligent Management Center 7.2. The last version was very tricky to install cause of the SQL express installation. The newest version 7.2 is very easy. You can download the archives here: HPE IMC Standard Edition 7.2 HPE IMC Enterprise Edition 7.2 You can also test … Read more

Build-up a redundant aruba wireless infrastructure

Currently I’m evaluating the aruba controller and access-points as a new product in my company. My goal was a high available system with two wireless controller and two access-points. I created a visio graphic for this, it also contains the ip addresses of our laboratory: I’m using two aruba 7008 RW (Rest of the World) mobility controller … Read more