Cisco Cisco Packet Data Interworking Function (PDIF) Guía Para Resolver Problemas
Serving Gateway Overview
▀ Network Deployment(s)
▄ Cisco ASR 5000 Series Serving Gateway Administration Guide
OL-22986-01
Tunneling:
GTP: IPv4 or IPv6 GTP-C (signaling channel) and GTP-U (bearer channel)
Network Layer: IPv4, IPv6
Data Link Layer: ARP
Physical Layer: Ethernet
S -G W
S 5 /S 8 (G T P )
P -G W
L 1 /L 2
G T P -C /U
IP v 4 / IP v 6
IP v 4 / IP v 6
T ra n s p o rt
L 1 /L 2
IP v 4 / IP v6
IP v 4 / IP v6
T ra n s p o rt
U D P
U D P
G T P -C /U
S1-U Interface
This reference point provides bearer channel tunneling between the eNodeB and the S-GW. It also supports eNodeB
path switching during handovers.
path switching during handovers.
Supported protocols:
Transport Layer: UDP, TCP
Tunneling: IPv4 or IPv6 GTP-U (bearer channel)
Network Layer: IPv4, IPv6
Data Link Layer: ARP
Physical Layer: Ethernet