PPP over Frame-Relay with PPP multilink

PPP over Frame-Relay with PPP multilink

Two ways to configure this setup, examples show each way in these configurations to do it, one side using MULTILINK interface and the other side using Virtual-Template interface:

hostname CE1-OSPF
!
ip cef
!
multilink bundle-name authenticated
!
interface Multilink1
ip address 10.1.215.1 255.255.255.0
ppp multilink
ppp multilink interleave
ppp multilink group 1
ppp multilink fragment delay 10
!
interface Serial0/0.1 point-to-point
snmp trap link-status
frame-relay class FRTS
frame-relay interface-dlci 102 ppp Virtual-Template1
!
interface Serial0/0.2 point-to-point
snmp trap link-status
frame-relay interface-dlci 103 ppp Virtual-Template1
!
interface Virtual-Template1
no ip address
ppp multilink
ppp multilink group 1
!
router ospf 11
router-id 1.1.1.1
log-adjacency-changes
redistribute connected subnets
network 10.1.12.1 0.0.0.0 area 0
network 10.1.21.1 0.0.0.0 area 0
network 10.1.215.1 0.0.0.0 area 0
!
map-class frame-relay FRTS
frame-relay cir 64000
frame-relay bc 80000
!
end

hostname CE2-OSPF
!
multilink bundle-name authenticated
!
interface Serial0/0
no ip address
encapsulation frame-relay
clock rate 2000000
!
interface Serial0/0.1 point-to-point
snmp trap link-status
frame-relay interface-dlci 201 ppp Virtual-Template1
!
interface Serial0/0.2 point-to-point
snmp trap link-status
frame-relay interface-dlci 301 ppp Virtual-Template1
!
interface Virtual-Template1
ip address 10.1.215.5 255.255.255.0
ppp multilink
ppp multilink interleave
ppp multilink fragment delay 10
!
router ospf 11
router-id 5.5.5.5
log-adjacency-changes
redistribute connected subnets
network 10.1.21.5 0.0.0.0 area 0
network 10.1.45.5 0.0.0.0 area 0
network 10.1.215.5 0.0.0.0 area 0
!
line con 0
exec-timeout 0 0
line aux 0
line vty 0 4
!
end

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