Alcatel-Lucent Network Routing Specialist II (NRS II) by Glenn Warnock, Amin Nathoo

By Glenn Warnock, Amin Nathoo

The definitive source for the NRS II exams—three entire classes in a book

Alcatel-Lucent is an international chief in designing and constructing scalable structures for provider prone. when you are a community clothier or operator who makes use of Alcatel-Lucent's 7750 relatives of carrier routers, organize for certification as an A-L community routing professional with this entire self-study direction. You'll get thorough training for the NRS II tests if you discover ways to construct state of the art, scalable IP/MPLS-based provider networks.

The booklet will give you an in-depth figuring out of the protocols and applied sciences occupied with development an IP/MPLS community whereas educating you the way to prevent pitfalls and hire the main profitable recommendations on hand. subject matters coated contain inside routing protocols, multiprotocol label switching (MPLS), Layer2/Layer3 prone and IPv6. The incorporated CD gains perform examination questions, pattern lab workouts, and more.
• Prepares community pros for Alcatel-Lucent carrier Routing Certification (SRC) assessments 4A0-101, 4A0-103, 4A0-104 and NRSII4A0
• Covers content material from Alcatel-Lucent's SRC classes on inside Routing Protocols, Multiprotocol Label Switching, and companies Architecture
• particular themes contain MPLS (RSVP-TE and LDP), providers structure, Layer2/Layer three companies (VPWS/VPLS/VPRN/IES/service inter-working/IPv6 tunneling), and OSPF and IS-IS for site visitors engineering and IPv6.
• CD contains perform examination questions, lab routines and solutions.

This Self-Study Guide is the authoritative source for community pros getting ready for the Alcatel-Lucent NRS II certification tests.

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Additional resources for Alcatel-Lucent Network Routing Specialist II (NRS II) Self-Study Guide: Preparing for the NRS II Certification Exams

Example text

252 no ip directed-broadcast ip ospf authentication-key 7 121A0C041104 no ip mroute-cache ! com to register . it. Thanks no ip directed-broadcast ip ospf authentication-key 7 02050D480809 clockrate 64000 Troubleshooting Step 1. Before enabling authentication in an OSPF area, verify that there is a neighbor relationship among all OSPF routers by using the show ip ospf neighbor command. Step 2. Verify that authentication has been enabled for every OSPF router with an interface in the area where authentication is being deployed.

A space is a valid character, so if you use the passwordcisco then there will be a password mismatch, but you won't be able to tell by looking at the configuration. Change the password on Router A, serial 0/0, back to cisco and remove the OSPF router configuration command area 0 authentication. 252 ip ospf authentication-key cisco ! router ospf 1 no area 0 authentication Router A should drop both OSPF neighbors. 2 Serial0/1 Now debug the OSPF traffic on Router B or C to determine the problem.

The password is an alphanumeric string from 1 to 8 characters. transit-area— The OSPF area across which the virtual link is configured. router-id— OSPF router ID of the router at the remote end of the virtual link. Purpose: To enable MD5 password authentication in an OSPF area. OSPF MD5 authentication requires the use of the router configuration command to enable authentication in an area and the interface or virtual link command for key and password configuration. X or earlier. X, the authentication used on an interface can be different from the authentication enabled for an area.

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