User manual D-LINK DES-3828P

[. . . ] User Manual Product Model : DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch Release 1 ©Copyright 2005. All rights reserved. xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch _____________________________________________________________________________ Information in this document is subject to change without notice. © 2005 D-Link Computer Corporation. Reproduction in any manner whatsoever without the written permission of D-Link Computer Corporation is strictly forbidden. [. . . ] Each router in an area originates a routers links advertisement. The advertisement describes the state and cost of the router's links to the area. All of the router's links to the area must be described in a single router links advertisement. The format of the Router Links Advertisement is shown below: 127 xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch Routers Links Advertisements Link-State Age Link-State ID Options Link-State Type Advertising Router Link-State Sequence Number Link-State Checksum Reserved VEB Reserved Link ID Link Data Type TOS No. Link ID Link Data Metric TOS 0 Metric Metric Length Number of Links Figure 8- 23. Routers Links Advertisements In router links advertisements, the Link State ID field is set to the router's OSPF Router ID. The T bit is set in the advertisement's Option field if and only if the router is able to calculate a separate set of routes for each IP Type of Service (TOS). Router links advertisements are flooded throughout a single area only. Field V - bit Description When set, the router is an endpoint of an active virtual link that is using the described area as a Transit area (V is for Virtual link endpoint). When set, the router is an Autonomous System (AS) boundary router (E is for External). When set, the router is an area border router (B is for Border). The number of router links described by this advertisement. This must be the total collection of router links to the area. E - bit B - bit Number of Links The following fields are used to describe each router link. The Type field indicates the kind of link being described. It may be a link to a transit network, to another router or to 128 xStack DES-3800 Series Layer 3 Stackable Fast Ethernet Managed Switch a stub network. The values of all the other fields describing a router link depend on the link's Type. For example, each link has an associated 32-bit data field. For links to stub networks, this field specifies the network's IP address mask. For other link types, the Link Data specifies the router's associated IP interface address. Field Type Description A quick classification of the router link. One of the following: Type Description Point-to-point connection to another router. Identifies the object that this router link connects to. When connecting to an object that also originates a link state advertisement (i. e. another router or a transit network) the Link ID is equal to the neighboring advertisement's Link State ID. [. . . ] 08:00 ­ 20:00 D-Link teknisk support på Internettet: http://www. dlink. dk email:support@dlink. dk Teknisk Support På vår hemsida kan du hitta mer information om mjukvaru uppdateringar och annan användarinformation. D-Link tillhandahåller teknisk support till kunder i Sverige under hela garantitiden för denna produkt. Teknisk Support för kunder i Sverige: D-Link Teknisk Support via telefon: 0770-33 00 35 Vardagar 08. 00-20. 00 D-Link Teknisk Support via Internet: http://www. dlink. se email:support@dlink. se 71 C1 202 : 100025 8008868192/(028)85176977 (028)85176948 71 C1 202 : 100025 (010) 58635800 (010) 58635799 http://www. dlink. com. cn 09:0018:00 International Offices U. S. A 17595 Mt. 92708 TEL: 714-885-6000 Fax 866-743-4905 URL: www. dlink. com Canada 2180 Winston Park Drive Oakville, Ontario, L6H 5W1 Canada TEL: 1-905-8295033 FAX: 1-905-8295223 URL: www. dlink. ca Europe (U. K. ) 4th Floor, Merit House Edgware Road, Colindale London NW9 5AB U. K. [. . . ]