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IS-IS Packet Types IS-IS Protocol uses L2 encapsulation Ethernet 802.3/802.2. It do not use Ethernet II. Ethernet II is used for IP traffic. IS-IS Protocol exchanges protocol information by using Link-State PDUs (Protocol Data Units). There are four types of PDU packets in IS-IS Protocol. These IS-IS packets are : – IS-IS Hello PDU (IIH) […]

IS-IS Protocol, Address Format

IS-IS Protocol Addresses IS-IS (Intermediate System to Intermediate System) Protocol was developed as a OSI network protocol, not TCP/IP. So, normally IS-IS Protocol not uses IP address, but it uses NET (Network Entity Title) addresses. Let’s check this address issue a little. In IS-IS Protocol, NSAP (Network Service Access Point) is used as network layer […]

Basic IS-IS Topology, Level 1, Level 2, Level 1/2 Routers

Routing With IS-IS Protocol IS-IS (Intermediate System to Intermediate System Protocol is a Link-State routing protocol that is developed by ANSI ISO. It is an open standard and classless Interior Gateway Protocol (IGP). IS-IS Protocol uses Dijkstra SPF (Shortest Path First) algorithm like OSPF, to build the IS-IS Protocol databases and calculate the best path. […]

Link Aggregation on Cisco IOS XR

Posted by gokhankosem on 09 Sep 16 - 0 Comments

Link Aggregation on Cisco IOS XR Link aggregation, LAG, Bundle, EtherChannel, what ever you say, they have the same logic in real. So, the configuration logic of Link Aggregation (LAG) is not different than Ether Channel logic on Cisco devices that run Cisco XR software. Here, again the bundle is created and the ports are […]

VPLS (Virtual Private LAN Service) – Cisco VPLS Configuration

Archived in the category: CCIE, CCIE SP, Cisco Certification, MPLS, VPLS
Posted by gokhankosem on 08 Sep 16 - 0 Comments
Cisco VPLS Configuration Example

Cisco VPLS Configuration In this article we will focus on the VPLS (Virtual Private LAN Service) configuration on Cisco device . We will use the below VPLS (Virtual Private LAN Service) topology for our configuration example. Cisco VPLS Configuration Example Topology In this VPLS topology, the devices that we will use are, Cisco Catalyst 6500 […]

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