Nov
18
Today's Open Lecture Series topic, Understanding the OSPF Database, will be open for guest access.  All users, customers and guests alike, are welcome to attend.  Simply open the link http://ieclass.internetworkexpert.com/r32376193/ and login with your classroom account or use the guest access field to attend.  Class starts at 1pm Pacific time (GMT -8) Read More
Apr
16
OSPF virtual links are relatively simple to configure and you normally do not run into too many problem getting them up and working but an odd issue you could run into is when trying to run the virtual link over an interface who's OSPF cost is maximized (65535 or 0xffff).  The virtual link will not come up if the only interface to reach the other end of the virtual link has a cost that is maximized.  For those of you who have not read RFC 2328 I will quote part of section 15 for you below ;) Read More

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