Nortel Networks 114200-E manual Ospf Worksheet, Nbma

Installing and Operating Passport ARN Routers

OSPF Worksheet (continued)

Requested Information	Options		Your Response
Enter OSPF MTU size selection [1]:	1.	Default
	2.	Ethernet size (Nortel Networks
		Series 5 compatible)
	3.	User Defined MTU
Enter OSPF interface type selection	1.	Broadcast
[1]:	2.	NBMA
	3.	Point-to-Point
	4.	Point-to-Multipoint (Proprietary)
	5.	Point-to-Multipoint (Per OSPF
		Standard)
	Note: When using a wide area
	protocol other than Nortel
	Networks Proprietary PPP, you
	should select NBMA.
Enter decimal value in seconds for	The script suggests the following
Hello Interval [10]:	intervals:
Note: This value must match all other	Broadcast -- 10 seconds
interfaces in the OSPF area for	Point-to-Point -- 15 seconds
connection to take place.	NBMA -- 20 seconds
	Point-to-MultiPoint --10 seconds
Enter decimal value in seconds for	The script suggests the following
Router Dead Interval [40]:	intervals:
Note: This value must match all other	Broadcast -- 40 seconds
interfaces in the OSPF area for	Point-to-Point -- 60 seconds
connection to take place.	NBMA -- 80 seconds
	Point-to-MultiPoint (STD) -- 40
	seconds
Enter decimal value for Router Priority	Enter a router priority value. The
[1]:	lower the value (above zero), the
	higher the priority.
(For Broadcast, NBMA, or
Point-to-MultiPoint)	Note: If you set the router priority
	to zero (0), the router is not eligible
	to become the designated router
	on this network.
			(continued)

B-10 114200-E Rev 00