Author Archives: Peter Debruyne

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

Posted in Comware5 | Tagged | 6 Comments

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

Posted in Comware7, IRF | Tagged , , | 2 Comments

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

Posted in Comware7 | Tagged , , | 7 Comments

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

Posted in Comware5 | Tagged , , | 1 Comment

HP 6125XLG FCoE NPV mode white paper

The HP 6125XLG is a Comware 7 based blade interconnect switch which has full support for FCoE. I found this technical whitepaper with a sample FCoE NPV mode configuration, it is shown with uplinks to an existing Nexus 5500/6000 FCoE … Continue reading

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HP Unified Wireless: Whitepapers published by HP

The HP Unified Wireless manuals are quite extensive, but it can be challenging to get a complete picture of a certain feature. HP has now published a series of whitepapers covering specific use cases and technologies, they can be found … Continue reading

Posted in Unified Wireless | Tagged , | 1 Comment

HP Unified Wireless: Portal free user-url

On the Unified wireless solution, guest users can be authenticated through the captive web-portal feature of the portal server. The network admin could allow some guest traffic to pass without guest authentication to provide a “walled-garden” solution. This was already … Continue reading

Posted in Unified Wireless | Tagged , , , , , | 1 Comment

Comware link-aggregation: LACP edge-port

Comware has 2 types of link-aggregation: static link-aggregation: no control protocol is used, based on the configuration, the link-aggregation member interfaces will be actively participating (Selected) in the link-aggregation at the moment the interfaces come up. dynamic link-aggregation: LACP control … Continue reading

Posted in Comware7 | Tagged , , , | 8 Comments

HP IMC TACACS Authentication Manager – AD/LDAP link

In this post an overview of the integration of the IMC TAM module with an Active Directory LDAP Server. The goal of this configuration is to ensure members of a specific Active Directory group (for example g_networkadmins) are granted a … Continue reading

Posted in IMC TAM | Tagged , , , , , , | 3 Comments

Provision supports Portal Redirect for BYOD use

The HP IMC BYOD solution requires a network device to redirect guest or onboarding users to the BYOD web portal. This functionality could be provided using almost any Comware 5/7 device (L3 Switches, routers, VSR, but not by the L3-lite … Continue reading

Posted in IMC UAM, Provision | Tagged , , , , , | 2 Comments

Provision support for IRF MAD LACP Split brain detection

When you use IRF to group multiple Comware switches into 1 logical device, it is generally recommended to enable some split brain detection (split brain happens when all the stacking links are down). For the MAD LACP method, only Comware … Continue reading

Posted in Comware5, Comware7, IRF, Provision | Tagged , , , , , , | 5 Comments

Provision Premium License now permanent with K.15.16.0004

HP has released K.15.16.0004 firmware for the Provision asic switch series (3500/3800/5400/8200/etc). Next to some interesting new features (DHCP Server is now supported and it can be used for the IMC BYOD Portal Redirect), this firmware also enables the old … Continue reading

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Comware IRF: L2 MAC Address roaming

IRF is used on Comware switches (and some routers as well now) to virtualize 2 or more devices as 1 virtual device. This is a very convenient way to simplify the network setup and management. Although IRF is very easy … Continue reading

Posted in Comware5, Comware7, IRF | Tagged , , | 13 Comments

Unified wireless: AP template rename

On the Unified Wireless controllers, it is common to enable the auto-ap and auto-persistent features to make it easy to adopt new Access Points. The new APs will be discovered and auto-registered as AP template based on the AP MAC … Continue reading

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Unified wireless : AP console/telnet access

With the Unified controllers, the APs which come online will dynamically get their configuration from the controller when they establish the LWAPP tunnel. When AP based feature are configured, such as AP provisioning or AP-based user authentication (de-central authentication), it … Continue reading

Posted in Unified Wireless | Tagged , , | 1 Comment