[tcpdump-workers] tcpdump -y

2016-03-03 Thread jing dai
Hi , I'm using tcpdump over a data link type. tcpdump -y PPP -c 1 Here's prompt message, PPP is not one of the DLTs supported by this device. And actually, only EN10MB works. Can someone please help and explain? Thanks, Mavis ___

Re: [tcpdump-workers] tcpdump -y

2016-03-03 Thread Guy Harris
On Mar 3, 2016, at 2:17 PM, jing dai wrote: > I'm using tcpdump over a data link type. > > tcpdump -y PPP -c 1 No, what you're doing is using tcpdump on a *network interface*, and *trying* to use a particular data link type on that interface. > Here's prompt message, PPP is not