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Overview of RIP
Route
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VLANs
RIP Version 1
Versus RIP
Version 2
9-4
VLANs that are configured with an IP address, but are configured to
not route IP or are not configured to run RIP, do not have their
subnets advertised by RIP. Only those VLANs that are configured
with an IP address and are configured to route IP and run RIP have
their subnets advertised.
A new version of RIP, called RIP version 2, expands the functionality
of RIP version 1 to include the following:
Variable-Length Subnet Masks (VLSMs)
Next-hop addresses
Support for next-hop addresses allows for optimization of
routes in certain environments.
Multicasting
RIP version 2 packets can be multicast instead of being
broadcast, reducing the load on hosts that do not support
routing protocols.
If you are using RIP with supernetting/Classless Inter-Domain Routing
(CIDR), you must use RIPv2 only. In addition, RIP route aggregation
must be turned off.
Note
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