We perform MAC Based accounting on our IX interface and that allows us to monitor / graph traffic based off MAC address instead of being limited to the aggregate data of a single interface. Here's the JUNOS way of doing it, I'm sure other vendors have their equivalent. http://www.juniper.net/techpubs/en_US/junos13.2/topics/usage-guidelines/inte... JJ Stonebraker IP Network Engineering Grande Communications 512.878.5627 -----Original Message----- From: Dennis Burgess [mailto:dmburgess@linktechs.net] Sent: Monday, February 03, 2014 11:48 AM To: NANOG list Subject: BGP peer traffic monitoring I have a router with about 20 peers, most are all on a single port (local exchange), how is everyone monitoring traffic to individual peers? Dennis Burgess, Mikrotik Certified Trainer Author of "Learn RouterOS- Second Edition <http://www.wlan1.com/product_p/mikrotik%20book-2.htm> " Link Technologies, Inc -- Mikrotik & WISP Support Services Office: 314-735-0270 <tel:314-735-0270> Website: http://www.linktechs.net <http://www.linktechs.net/> - Skype: linktechs <skype:linktechs?call> -- Create Wireless Coverage's with www.towercoverage.com <http://www.towercoverage.com/> - 900Mhz - LTE - 3G - 3.65 - TV Whitespace