08-11-2013 03:29 AM - edited 03-04-2019 08:43 PM
Hi All,
I am trying to configure MLoFR and want to bundle two serial links as multilink. Please refer the configuartion at my end router terminating both P2P serial connectivity with ISP.
interface Serial0/0/0
no ip address
no ip redirects
no ip unreachables
encapsulation frame-relay IETF
frame-relay lmi-type ansi
end
interface Serial0/0/0.16 point-to-point
frame-relay interface-dlci 100 ppp Virtual-Template5
interface Serial0/0/1
no ip address
no ip redirects
no ip unreachables
encapsulation frame-relay IETF
frame-relay lmi-type ansi
interface Serial0/0/1.16 point-to-point
frame-relay interface-dlci 100 ppp Virtual-Template5
interface Virtual-Template5
no ip address
ppp multilink
ppp multilink group 1
interface Multilink1
ip address x.x.x.x 255.255.255.252
no ip redirects
ppp multilink
keepalive 1
ppp multilink interleave
ppp multilink group 1
ppp multilink fragment delay 1000
Observations: 1- Both PVC's on FRame relay is coming up.
2) Both serial interfaces and subinterfaces are up & working.
3) Interface virtual template is not coming up and showing interface and line protocol down .
4) Multilink is also down & showing inactive.
show ppp multilink
No active bundles
Multilink1 (inactive)
Member links: 3
Vi2 (inactive)
Vi3 (inactive)
Vt5 (inactive)
Multilink1 is down, line protocol is down
Hardware is multilink group interface
Internet address is
MTU 1500 bytes, BW 3088 Kbit/sec, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Closed, loopback not set Multilink1 is down, line protocol is down
Hardware is multilink group interface
Internet address is 172.30.8.209/30
MTU 1500 bytes, BW 3088 Kbit/sec, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Closed, loopback not set
Please clarify :
1) Do i need to inform and confirm ISP to also create the similar multilink configuration in ISP end device.
2) Does any additional configuration i require to make the multilink active and working.
Please help with the clarifications and suggestions.
Regards
Manish
08-11-2013 03:36 AM
1. Yes. Unlike ISP will configure multilink (and is unlikely that that they will), that will not work.
2: See 1.
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