Implement Juniper L3 Switch for EPS E-UTRAN (S1-MME,S1-U Interface)

Another example config on Juniper layer 3 switch (L3_Switch) for implement E-UTRAN network (S1-MME, S1-U interface).

Please refer to LTE Interface and Virtual Routing for picture. Config for S11 and SGi, S5, S6a Interface.

#### Parameter (S11, SGi, S5, S6a, S1-MME, S1-U)

L3_Switch (JunOS)
ge-0/0/1: S11_MME

ge-0/0/2: S11_SGW

ge-0/0/3: S11_DNS

ge-0/0/4: S6a_HSS

ge-0/0/5: S6a_MME

ge-0/0/6: S5_SGW

ge-0/0/7: S5_PGW

ge-0/0/8: SGi_PGW

ge-0/0/9: S1_MME

ge-0/0/10: S1_ENODEB

ge-0/0/11: S1U_SGW

ge-0/0/12: S1U_ENODEB

IP Address & Routing

MME_S11 192.168.16.2/28, gateway (default route) 192.168.16.1

SGW_S11 192.168.20.2/28, gateway (default route) 192.168.20.1

DNS_S11 192.168.21.2/28, gateway (default route) 192.168.21.1

HSS_S6a 192.168.8.2/28, gateway (default route) 192.168.8.1

MME_S6a 192.168.9.2/28, gateway (default route) 192.168.9.1

SGW_S5 192.168.24.2/28, gateway (default route) 192.168.24.1

PGW_S5 192.168.28.2/28, gateway (default route) 192.168.28.1

PGW_SGi 192.168.32.2/28, gateway (default route) 192.168.32.1

MME_S1 192.168.0.2/28, gateway (default route) 192.168.0.1

ENODEB_S1 192.168.2.2/28, gateway (default route) 192.168.2.1

SGW_S1U 192.168.4.2/28, gateway (default route) 192.168.4.1

ENODEB_S1U 192.168.6.2/28, gateway (default route) 192.168.6.1

#### Config

set interfaces ge-0/0/9 description "S1_MME"

set interfaces ge-0/0/9 ether-options no-auto-negotiation

set interfaces ge-0/0/9 ether-options link-mode full-duplex
set interfaces ge-0/0/9 ether-options speed 100m

set interfaces ge-0/0/9 unit 0 family inet address 192.168.0.1/28

set interfaces ge-0/0/10 description "S1_ENODEB"

set interfaces ge-0/0/10 ether-options no-auto-negotiation

set interfaces ge-0/0/10 ether-options link-mode full-duplex

set interfaces ge-0/0/10 ether-options speed 100m

set interfaces ge-0/0/10 unit 0 family inet address 192.168.2.1/28

set interfaces ge-0/0/11 description "S1U_SGW"

set interfaces ge-0/0/11 ether-options no-auto-negotiation

set interfaces ge-0/0/11 ether-options link-mode full-duplex

set interfaces ge-0/0/11 ether-options speed 100m

set interfaces ge-0/0/11 unit 0 family inet address 192.168.4.1/28

set interfaces ge-0/0/12 description "S1U_ENODEB"

set interfaces ge-0/0/12 ether-options no-auto-negotiation

set interfaces ge-0/0/12 ether-options link-mode full-duplex

set interfaces ge-0/0/12 ether-options speed 100m

set interfaces ge-0/0/12 unit 0 family inet address 192.168.6.1/28

set routing-instances S1_VR instance-type virtual-router

set routing-instances S1_VR interface ge-0/0/9.0

set routing-instances S1_VR interface ge-0/0/10.0

set routing-instances S1_VR interface ge-0/0/11.0

set routing-instances S1_VR interface ge-0/0/12.0