Allied Telesis AT-9724TS specifications Ospf Virtual Interface Settings

OSPF Virtual Interface Settings

Click the OSPF Virtual Interface Settings link to view the current OSPF Virtual Interface Settings.There are not virtual interface settings configured by default, so the first time this table is viewed there will be not interfaces listed.To add a new OSPF virtual interface configuration set to the table, click the Add button.A new menu appears (see below).To change an existing configuration, click on the hyperlinked Transit Area ID for the set you want to change.The menu to modify an existing set is the same as the menu used to add a new one.To eliminate an existing configuration, click the ✘ in the Delete column.

Figure 6- 116. OSPF Virtual Interface Settings window

The status of the virtual interface appears (Up or Down) in the Status column.

		Figure 6- 117. OSPF Virtual Link Setting – Add
Configure the following parameters if you are adding or changing an OSPF Virtual Interface:
	Parameter	Description
	Transit Area ID	Allows the entry of an OSPF Area ID – previously defined on the Switch – that allows a remote area to
	Neighbor Router	communicate with the backbone (area 0).A Transit Area cannot be a Stub Area or a Backbone Area.
		The OSPF router ID for the remote router.This is a 32-bit number in the form of an IP address
	Hello Interval (1-65535)	(xxx.xxx.xxx.xxx) that uniquely identifies the remote area’s Area Border Router.
		Specify the interval between the transmission of OSPF Hello packets, in seconds. Enter a value between 1 and
		65535 seconds.The Hello Interval, Dead Interval,Authorization Type, and Authorization Key should have
	Dead Interval (1-65535)	identical settings for all routers on the same network.
		Specify the length of time between (receiving) Hello packets from a neighbor router before the selected area
	Auth Type	declares that router down.Again, all routers on the network should use the same setting.
		If using authorization for OSPF routers, select the type being used. MD5 key authorization must be set up in
	Password/Auth. Key ID	the MD5 Key Settings menu.
		Enter a case-sensitive password for simple authorization or enter the MD5 key you set in the MD5 Key settings
	Transmit Delay	menu.
		The number of seconds required to transmit a link state update over this virtual link.Transit delay takes into
	RetransInterval	account transmission and propagation delays.This field is fixed at 1 second.
		The number of seconds between link state advertisement retransmissions for adjacencies belonging to this
		virtual link.This field is fixed at 5 seconds.

Click Apply to implement changes made.

Note: For OSPF to function properly some settings should be identical on all participating OSPF devices.These settings include the Hello Interval and Dead Interval. For networks using authorization for OSPF devices, the Authorization Type and Password or Key used must likewise be identical.

Allied Telesyn AT-9724TS High-Density Layer 3 Stackable Gigabit Ethernet Switch 120