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Webcast-Catalyst9k
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Multilink Question

Here is the configuration.

interface multilink 1

ip address 192.168.249.101 255.255.255.252

encapsulation ppp

no peer neighbor-route

no cdp enable

bandwidth 3000

ppp multilink fragment disable

ppp multilink group 1

ppp multilink links minimum 2 mandatory

no shut

ip flow ingress

ip flow egress

ip route-cache flow

exit

!

!

int Serial0/2/0:1

no shut

encapsulation ppp

ppp multilink group 1

ppp multilink

no ip address

keepalive

ip flow ingress

ip flow egress

ip route-cache flow

exit

!

int Serial0/2/1:1

no shut

encapsulation ppp

ppp multilink group 1

ppp multilink

no ip address

keepalive

ip flow ingress

ip flow egress

ip route-cache flow

exit

Here my questons.

1. do we need the netflow statements on serial ports or just the multilink interfaces for sites with multi circuits?

2. What is "ppp multilink links minimum 2 mandatory" for? Is it necessary to configure it?

1 REPLY

Re: Multilink Question

1. Netflow only goes on the Multilink interface (layer 3 interfaces).

2. ROUTER(config-if)#ppp multilink links minimum 2 ?

mandatory Disable network layer until minimum number of links is reached

The layer 3 interface will not be functional until there are at least two T1's up. It is not necessary, just an option.

Hope that helps.

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