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 reconnecting 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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