Linux

cdp by using tcpdump

If you do not have a cdp command available on your linux server, then tcpdump can be used instead. $ sudo tcpdump -nn -v -s 1500 -c 1 ‘ether[20:2] == 0x2000’ -i eth0 tcpdump: listening on bond1, link-type EN10MB (Ethernet), capture size 1500 bytes 08:53:01.946674 CDPv2, ttl: 180s, checksum: 692 (unverified), length 254 Device-ID (0x01), […]

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Linux

Fix Cisco AnyConnect on CentOS 7

Installing Cisco AnyConnect on CentOS 7 is easy, but you should install the pangox-compat libraries to get the graphical user interface (GUI) working. Without this package you will get the following error message when you try to run it: # /opt/cisco/anyconnect/bin/vpnui /opt/cisco/anyconnect/bin/vpnui: error while loading shared libraries: libpangox-1.0.so.0: cannot open shared object file: No such […]

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Windows

Lenovo X1 Carbon and Cisco AnyConnect VPN reconnecting fix

This is just a short note on how to fix the Cisco AnyConnect Secure Mobility Client (VPN) dropping the tunnel and┬áreconnecting my Internet connection in Windows 8.1.I have had problems with AnyConnect ever since I got my Lenovo X1 Carbon and have not found a solution until now.The solution was as simple as to disable […]

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