HowTo: Enable Traceroute on HPE FF5700

On HPEs Comware based FlexFabric switches by default answering to traceroute is disabled. To enable traceroute on a FF5700 families switch you need to activate:


ip unreachable enable
ip ttl-expires enable

As of then, the switch should show up in traceroutes with something different than timeouts.

Kyp. F.

Musings on IT Businessmodels – Providing explained

Derzeit darf sich ja jeder gerne mit allgegenwärtigen Lizenznz- und Service- und Business- Modellen herum schlagen und die einschlägigen Anbieter überschlagen sich damit einem, die verschiedensten Services “einfach konsumierbar” zu machen.

Ich soll der Investitionen enrleichtert werden und leicht verständliche Servicekosten tragen und viel effizienter skalieren, in dem ich “Irgendwas from the Cloud” mache.

Zeit für eine Übersetzung: früher hat man beim Hausbau ein Fenster gekauft (die Liezenz) und gut war es. Wollte man immer schöne Aussicht haben und nicht selber Continue reading

HowTo: Broken SMB Communication through PanOs 8.1. Firewalls Fix

Anybody who installed PanOS 8.1 on his Palo Alto firewall – we use the PA 220 in quite some numbers, may have experienced quite some strange behaviour if through IPSEC tunnels connected file shares user SMB. So did I.

With the latest firmware upgrade, no write or read jobs through any of these VPN tunnels succeded. The mapped drives lit up in the file explorer. in some cases even browsing directories may have succeded … perhaps even two or three levels down. Then the explorer started to hang, crashed, even some systems blue screened. Copied files showed perhaps up in the destination with a filename aka. directory entry but never any content showed up.

Since we updated the Microsoft world on top, the assumption some backward compatibility stack or group policy setting may have caused the headache. Many Continue reading