Stub areas are the areas that have single exit. and for that it doesn't accept type 5 LSAs which are for external routes, and also it doesn't accept type 4 LSAa which contains the information how to reach the ASBR and because you don't need to know about the External routes it is as well not needed to reach the ASBR who will take outside, for that type 4 and 5 LSAs are blocked and only the accepted are type 3 LSAs which are called summary LSA and contains defualt route towards the ABR or a summary of inter-area routes.
the totally stuby area blocks also type 3 LSAs.
and virtual link can't be configured in stub, totally stuby or NSSA areas.
Question We run asr9001 with XR 6.1.3, and we have a very long delay to
login w/ SSH 1 or 2 to the device compare to IOS device. After
investigation, the there is 1s delay between the client KEXDH_INIT and
the server (XR) KEXDH_REPLY. After debug ssh serv...
Introduction The purpose of this document is to demonstrate the Open
Shortest Path First (OSPF) behavior when the V-bit (Virtual-link bit) is
present in a non-backbone area. The V-bit is signaled in Type-1 LSA only
if the router is the endpoint of one or ...
Hi, I am seeing quite a few issues with patch install and wanted to
share my experience and workaround to this. Login to admin via CLI, then
access root with the “shell” command Issue “df –h” and you’ll probably
see the following directory full or nearly ...