About Oliver Gorwits

Oliver Gorwits · 06-11-2009

Introduction The CPU on a 3560 or 3750 has a stash of 128 MAC addresses allocated when the device is built, for physical ports and SVI (vlan) interfaces.Explanation of MAC Address allocation You can get the "base" MAC address by issueing a show versi...

Oliver Gorwits · 06-23-2008

There are no silly questions around here Yes, I believe they're the same thing. QinQ is a more generic/informal term, and dot1q-tunnel is what Cisco calls the feature.HTH,regards,oliver.

Oliver Gorwits · 03-04-2008

Hi Urfan,I had the same question as you. Here is what I found out, for reference:The CPU on a 3560 or 3750 has a stash of 64 MAC addresses allocated when the device is built, for SVI (vlan interfaces). It also has another 64 addresses for the physica...

Oliver Gorwits · 12-27-2007

Okay, thanks, I didn't realise the Feature Navigator tool was rubbish and incomplete. I have trusted it in the past, but I guess not in the future...!regards,oliver.

Oliver Gorwits · 12-26-2007

Hi,Many thanks for that, I too have been investigating QinQ support for our own 3750 switches. I am still a little uncertain, though, so maybe you can help...The Cisco feature navigator page mentions L2PT support for the 12.2(25)SE and later releases...

Member Since	‎10-30-2005 11:19 AM
Date Last Visited	‎10-09-2017 11:44 AM
Posts	4
Total Helpful Votes Received	15

User Statistics

User Activity

MAC Addresses used by the Cisco 3750

Re: QinQ Tunneling Supported Platforms

Re: Switch MAC Address

Re: QinQ Tunneling Supported Platforms

Re: QinQ Tunneling Supported Platforms