Cisco Cisco ASR 5000
Direct Tunnelling for the S4-SGSN
How It Works ▀
SGSN Administration Guide, StarOS Release 18 ▄
Figure 35. Intra SRNS with S-GW Change
The table below includes detailed behaviors for intra SRNS scenarios.
Intra SRNS without S-GW Change
In Intra SRNS without S-GW change, a Relocation Request is sent with SGW S12U FTEID.The RNC S12U FTEID
received is forwarded to the S-GW in a Modify Bearer Request.
received is forwarded to the S-GW in a Modify Bearer Request.