162
OGU 930500275-A1
Routing/Bridging
Routing:
- Static routing
- RIPv1, RIPv2
- IP Multicasting – IGMP v2, v3
Bridge:
- WAN-LAN transparent bridging
- Transparent bridging between LAN devices
- Automatic discovery of MAC addresses
- Spanning tree protocol
NAT
- NAT-NAPT, RFCs 3022
- Static NAT
- Static NAPT
- Application Level Gateway (ALGs) modules
QoS
- ATM QoS: UBR, VBR-nrt, VBR-rt, CBR
- 802.1P/Q prioritization
- Diffserv (RFC2474, RFC2475) marking and queuing according to connection type, network in-
terface, MAC, IP, hostname, DSCP/ToS value, port number and application
- Port based QoS
Voice Over IP
Codecs:
G.711 a-law/µ-law, G.729(*) , G.726(*), G.723 (*)
Codecs Control:
- RTP/RTCP, RFC 1889
- SDP, RFC 2327
- RTP payload for DTMF digits RFC 2833
Voip stacks supported:
- SIP/SIPv2
- MGCP
- H323
VoIP QoS:
- Layer 3 QoS: control ToS and DSCP for VoIP RTP
- Prioritization of voice over data at the network stack
(*) optional to be quoted a part