So in terms of enabling MPLS on a fully meshed set of routers running BGP
and OSPF..
Here are the general steps I believe;
#conf t
Tag-switching advertise-tags
!
Int g0/0
Mtu 9216
Tag-switching ip
!
However, what can I expect to happen when this is done, i.e. will existing
BGP sessions drop between the routers who's interfaces I have changed to
tag-switching IP? What other kinds of gotchas?
Ideally I'd like to add MPLS capabilities in a hitless manner to the
existing network.
-Peter
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