LINK PROTOCOLS
LAN Protocols
Ethernet II
Ethernet SNAP
IEEE 802.3x VLAN
IEEE 802.1P
IEEE 802.1Q
IEEE 802.3ad LACP
IEEE 802.1w RSTP
IEEE 802.1s MSTP
IGMP snooping
GVRP
Port loopback
Port multicast suppression
WAN Protocols
PPP and Multilink PPP (MP)
PPPoE client and server
PPP/MP over FR
FR and Multilink FR (MFR)
Frame relay fragmentation,
compression, and FR over IP
Frame Relay Traffic Shaping (FRTS)
ATM (IPoA, IPoEoA, PPPoA and PPPoEoA)
DCC and dialer watch
HDLC
LAPB
X25, X25 over TCP, X25 to TCP
X25 PAD, X25 hunt groups and X25 CUG
DLSW (V1.0/2.0)
ISDN and ISDN network
ISDN QSIG
MODEM
NETWORK PROTOCOLS
IP Service and Applications
TCP
UDP
ARP
IP option
IP unnumbered
Policy-based routing (unicast/multicast)
PING, traceroute
DHCP server, relay, and client
DNS client
DNS static
NQA
IP accounting
UDP helper
NTP
Telnet
TFTP client
FTP server, client
IP Routing
Static
RIP v1 and v2
OSPF
OSPF v3
BGP IV
IS-IS
IGMP
PIM-DM
PIM-SM
MBGP
MSDP
Non-IP
SNA/DLSw
IPX
SOT
NetStream
QUALITY OF SERVICE QOS
Layer 2 QoS
SP
WRED (Port)
CAR
LR
Flow-based QoS policy
Port-based mirroring
Flow-based mirroring
CoS-based Head of Line Blocking (HOLB) prevention
Packet remarking
Flow redirect
Flow accounting
Priority mapping
Port trust mode
Port priority
Flow filter
Flow control and backpressure
ACL
Traffic Policing
Committed Access Rate (CAR)
Line Rate (LR)
Congestion Management
FIFO
PQ
CQ
WFQ
CBQ
RTPQ
Congestion Avoidance
WRED/RED
Traffic Shaping
Generic
Other
FR QOS
MPLS QOS
MP QoS/LFI
cRTP/IPHC
ATM QOS
Sub-interface QoS
6 3COM
®
MSR 20 SERIES MULTISERVICE ROUTERS
SPECIFICATIONS CONTINUED
