https://wiki.vasexperts.com/ 2026-04-15T05:37:59+00:00 https://wiki.vasexperts.com/ https://wiki.vasexperts.com/lib/tpl/vaswiki/images/favicon.ico text/html 2026-04-14T16:00:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.vasexperts.com/doku.php?id=dpi:bras_bng:bras_l2_vlan:bras_l2_vlan_arp_proxy&rev=1776182410&do=diff ARP Processing ARP request processing is enabled with the configuration parameter bras_arp_proxy, which is a set of bit flags: * 0 - ARP proxy mode is disabled. In this mode, the BRAS only responds to ARP requests for the IP address equal to bras_arp_ip. text/html 2026-04-14T16:00:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.vasexperts.com/doku.php?id=dpi:bras_bng:bras_l2_vlan:bras_l2_vlan_dhcp&rev=1776182410&do=diff DHCP handling In order to trace the beginning/end of user session the FastDPI BRAS monitors DHCP requests being received from user equipment. There are two mutually exclusive monitoring modes which are specified by the bras_dhcp_mode configuration option in the text/html 2026-04-14T16:00:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.vasexperts.com/doku.php?id=dpi:bras_bng:bras_l2_vlan:bras_l2_vlan_session&rev=1776182410&do=diff BRAS L2 DHCP: subscriber session Start of Session The beginning of the user session is considered to be DHCPACK response of DHCP server to the client DHCPREQUEST/DHCPINFORM request. FastDPI BRAS extracts from the request and response following information: