In this example we just installed 2 2-port VWIC-MFT cards, one is slot and one is slot 3. Once installed you'll notice no additional serial interfaces nor controller cards. However a show inventory shows the cards are installed.
clock source line independent <--- in the case it is not internal channel-group 0 timeslots 1-24 ! controller T1 0/3/1 framing esf linecode b8zs
clock source line independent <--- in the case it is not internal channel-group 0 timeslots 1-24
The reason for the "independent" keyword is to have the interfaces in the VWIC card to work with separate "clocking domain" one from the other.
Now that we have the controllers configured you should see 4 new serial interfaces.
Serial0/2/0:0 unassigned YES manual down down Serial0/2/1:0 unassigned YES manual down down Serial0/3/0:0 unassigned YES manual down down Serial0/3/1:0 unassigned YES manual down down
Now we can configure the serial interfaces.
interface Serial0/2/0:0 no ip address encapsulation ppp multilink ppp multilink group 2
interface Serial0/2/1:0 no ip address encapsulation ppp ppp multilink ppp multilink group 2
interface Serial0/3/0:0 no ip address encapsulation ppp ppp multilink ppp multilink group 2
interface Serial0/3/1:0 no ip address encapsulation ppp ppp multilink ppp multilink group 2
Finally let's configure the virtual MultiLink2 interface.
interface Multilink2 description MLPPP Link for Point-To-Point ip unnumbered FastEthernet0/0 ip route-cache flow no ip mroute-cache ppp multilink ppp multilink links maximum 4 ppp multilink group 2 ppp multilink fragment disable
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