Tunnel Service Modules Table 13-8 Tunnel Service modules Protocol or Application Tunnel Service Line Module (TSM) Service Line Module (SM) IPSec Service Line Module Acceptance of traffic for IP tunnels No No No APS/MSP No No No ATM No No No BERT No No No BGP Yes Yes Yes Bridged Ethernet No No No Bridged IP No No No CBF No No No Cisco HDLC No No No DHCP local server No No No Dynamic interfaces No No No F4 OAM (ATM Administration) No No No Frame Relay No No No IP Yes Yes Yes IP Multicasting No No No IPSec No No Yes IPv6 No No No IS-IS Yes Yes Yes LAC Support - access side No No No LAC Support - peer side No No No LNS Support - Internet side Yes Yes No LNS Support - peer side Yes Yes No Local loopback No No No MPLS No No No Multilink Frame Relay No No No Multilink PPP No No No NBMA (multipoint ATM) No No No OSPF Yes Yes Yes Packet over SONET No No No PPP No No No PPPoE No No No Remote loopback No No No RIP Yes Yes Yes SMDS (trunk encapsulation) No No No Subscriber interfaces (static) No No No Subscriber interfaces (dynamic) No No No Transparent bridging No No No VRRP No No No