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Service Modules

Table 11: Service Modules

Protocol or Application

Tunnel Service Line Module (TSM)

Service Line Module (SM)

IPSec Service Line Module

Accepts traffic destined for GRE tunnels or DVMRP (IP-in-IP) tunnels

No

No

No

APS/MSP

No

No

No

ATM

No

No

No

BERT

No

No

No

BGP

Yes

Yes

Yes

BGP/MPLS VPNs

No

No

No

Bridged Ethernet

No

No

No

Bridged IP

No

No

No

CBF

No

No

No

Cisco HDLC

No

No

No

DHCP external server

No

No

No

DHCP local server

No

No

No

DVMRP and GRE support—access side

No

No

No

DVMRP and GRE support—server side

Yes (over dedicated tunnel server ports)

Yes (over dedicated tunnel server ports)

Yes (over dedicated tunnel server ports; DVMRP over IPsec only; GRE over IPsec)

Dynamic interfaces

No

No

No

F4 OAM and F5 OAM (ATM administration)

No

No

No

FDL (facilities data link)

No

No

No

Firewall

Yes

Yes

No

Frame Relay

No

No

No

IEEE 802.3ad link aggregation

No

No

No

IP

Yes

Yes

Yes

IP multicast

Yes

Yes

No

IP reassembly for tunneled packets

Yes

Yes

Yes

IPSec

No

No

Yes

IPv6

Yes

Yes

No

IPv6 multicast

Yes

Yes

No

IPv6 neighbor discovery

No

No

No

IS-IS

Yes

Yes

Yes

J-Flow Statistics

Yes

Yes

Yes

L2TP/IPSec

No

No

Yes

LAC support—access side

No

No

No

LAC support—peer side

No

No

No

LNS support—peer side

Yes

Yes

No

Local loopback

No

No

No

MDL (maintenance data link)

No

No

No

MPLS

No (over GRE only)

No (over GRE only)

No (over GRE only)

Multilink Frame Relay

No

No

No

Multilink PPP

Yes (with fragmentation and reassembly; dynamic only)

Yes (with fragmentation and reassembly; dynamic only)

No

Network Address Translation (NAT)

Yes

Yes

No

NBMA (multipoint ATM)

No

No

No

OSPF

Yes

Yes

Yes

Packet Mirroring

Yes

Yes

Yes

Packet over SONET

No

No

No

PPP

Yes (dynamic only)

Yes (dynamic only)

No

PPPoE

No

No

No

Remote loopback

No

No

No

RIP

Yes

Yes

Yes

SMDS (trunk encapsulation)

No

No

No

Subscriber interfaces (static)

Yes (GRE tunnels only)

Yes (GRE tunnels only)

No

Subscriber interfaces (dynamic)

Yes (over GRE tunnels only)

Yes (over GRE tunnels only)

No

Transparent bridging

No

No

No

Tunnel-server ports

Yes (dedicated only)

Yes (dedicated only)

Yes (dedicated only)

VPLS (network interfaces)

No

No

No

VPLS (virtual core interfaces)

No

No

No

VRRP

No

No

No


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