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Comware7: OSPF over IP Unnumbered Ethernet

This is a feature that seems to exist already for a while in Comware 7 (it works even in Simware, which is pretty old by now), but I just discovered it recently: IP unnumbered interfaces on Ethernet with OSPF point-to-point … Continue reading →

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Device LLDP PVID mismatch

Several access devices, such as APs and IP Phones, support LLDP and that is very convenient for discovery and troubleshooting. However, these devices may include the locally configured PVID (the untagged VLAN) in their outgoing LLDP frames. This may result … Continue reading →

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Comware7: Configuration commit delay

In the old days it was quite common to schedule a device reboot e.g. 5 min ahead when ‘tricky’ remote device changes had to be performed over an in-band connection such as SSH/telnet. In case the config changes provided the … Continue reading →

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ArubaOS-Switch 16.02: unsupported transceiver option

The 16.02 release for the ArubaOS-Switch (Provision) wired switches includes a welcome ‘new’ feature to enable the use of unsupported transceivers. Previously, the switches were simply blocking the use of 3th party transceivers. With this new command, the admin can … Continue reading →

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Online networking webinar schedule posted!

In the past several requests were made to provide some overview sessions about various technologies and configurations. So we are proud to announce the first webinar sessions. Check out the current schedule here !  

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ArubaOS-Switch 16.01 – Device profile for Aruba AP

When deploying a wireless network, the network admin still needs to configure the wired network switch ports for the Access Point connections. The device profile feature in ArubaOS-Switch simplifies this action. Access Point switch port       The switch … Continue reading →

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Comware supports HPE Smart SAN for 3PAR

When configuring a Fibre Channel storage environment, there are basically 2 parts in the configuration: Setup of the SAN Infrastructure (F/E ports, domain IDs, trunks, VSANs) Zoning configuration: done at initial setup and updated for every new server/storage system added … Continue reading →

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Aruba Certifications

I attended the Aruba Mobility Bootcamp and the Clearpass Essentials training in January. Both courses (MBC and CPE) provide a solid overview and introduction of the Aruba Controller feature set and the Clearpass Policy Manager (RADIUS, TACACS, Guest, BYOD and … Continue reading →

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Busy and interesting times!

It has been a while since new content has been posted, mainly due to time constraints/other priorities, but I’ll try to make it up in the next weeks! Let’s start with a quick update of everything that has happened in … Continue reading →

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HP VSR E0321 Release: IRF has arrived for NFV!

HP has released version E0321 for the Virtual Services Router (VSR) platform. This is a major new release, which includes some very cool new features, such as IRF for the virtual platform. Download here: https://h10145.www1.hpe.com/Downloads/SoftwareReleases.aspx?ProductNumber=JG811AAE&lang=en,en&cc=us,us&prodSeriesId=5443163 In the upcoming posts I … Continue reading →

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HP Releases 6127XLG blade switch for HP Blade enclosure

HP has released the 6127XLG blade switch for the C7000 blade enclosure. This Comware7 based switch is the big brother of the 6125XLG, so while the 6125XLG supported 10G server access, the 6127XLG includes support for the 20G server access … Continue reading →

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Comware 7 autodeploy supports Python scripts

I recently discovered that the Comware auto-configuration feature also supports Python scripts. In the traditional auto configuration setup, a TFTP server and TFTP boot filename are used to deploy a (basic initial) configuration to the network devices. This configuration boot … Continue reading →

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Simware 7.1.59 download available for all users

HP has released an updated version of the Comware simulator Simware, no license or registration is required to use this tool. The updated version includes a simple to use GUI and drag-and-drop connections between the devices. A limitation of the … Continue reading →

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Comware 7: QOS Queue Management Profile qmprofile enhancement

On the 5900 platform, any change in the interface queue configuration had to be configured at the interface level. When a network administrator wants to use FCoE, the interface queue configuration is used by DCBX to configure the server CNA … Continue reading →

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5900/5930 R2416 Released!

5900 and 5930 have now updated firmware: R2416. This is a major new release for both platforms. Take a look at the release notes, since there are many enhancements for both platforms. 5900: https://h10145.www1.hp.com/downloads/SoftwareReleases.aspx?ProductNumber=JC772A&lang=&cc=&prodSeriesId= 5930: https://h10145.www1.hp.com/downloads/SoftwareReleases.aspx?ProductNumber=JG726A&lang=&cc=&prodSeriesId= For the 5900, this … Continue reading →

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Unified Wireless console logging filtering

Once wireless is configured, the console of the Unified controller can get lots of messages about wlan events or portsec login failures. You can use the undo terminal monitor to get rid of all messages, or you can just disable … Continue reading →

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Change switch branding from H3C to HP

If you still have some original H3C branded switches in your network, it is possible to re-brand them to HP, so they will be recognized as the HP counter-part of the H3C model. To change the brand, use the brand … Continue reading →

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Comware7: MAD BFD support on Management Ethernet port

Multiple-Active Detection (MAD) is used to detect a split brain in an IRF system. When the MAD BFD method is used, a dedicated Layer3 VLAN interface needs to be configured for the MAD BFD operation. This VLAN should be directly … Continue reading →

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Comware7: Routed port ACL packet-filter applies to switched traffic

There is a tricky “new” behavior in Comware7 Layer3 VLAN ACL processing: the applied ACL does not only filter the inter-vlan routed traffic (as would be expected), but it is applied to intra-vlan switched traffic as well by default. This … Continue reading →

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Comware5: Send test SNMP traps and syslog messages

When configuring a network device to be managed by an NMS such as HP IMC, you may want to send some test syslog or snmp traps to verify the correct operation of your settings. You can generate traps/logs by triggering … Continue reading →