Answer / biswajit biswas, kolkata

Wild card masks are nothing but inverted subnetmasks. A wild
card mask is necessary for configuring OSPF networks because
OSPF supports both VLSM & CIDR unlike RIP & IGRP.

Although EIGRP supports VLSM, it is a hybrid protocol
because of its inherent distance vector protocol properties
- EIGRP configured with network number followed by subnet
mask like RIP & IGRP.

Answer / vinay

hi dudes.......

i have one dought regarding wildcard mask usage in eigrp......

why cant we use wildcard mask in eigrp........where i think
we can use wild card mask in eigrp.

and wildcard mask is most effective then subnetmask...

even i use wild card when i use eigrp routing at some
circumstances...

instead if you want to know do this

router eigrp 10
net 192.168.10.0 ?

here you can see that

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