October 2012
Intermediate to advanced
902 pages
28h 9m
English
Content preview from Juniper MX SeriesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter Review Answers
Answer: B. Virtual Chassis on the Juniper MX can only be used with Trio-based MPC line cards.
Answer: C. The VC-B member of the virtual chassis has the privilege of running the kernel synchronization process on both routing engines. Recall that the VC-B will run
ksyncdon the VC-Bm so that it can be synchronized with the VC-Mm. The VC-Bb will also need to run another copy ofksyncdso that it can keep synchronized with the VC-Bm in case there’s a failure.Answer: B. Only the VC-Mm routing engine will respond on its
fxp0interface while all other routing engines will not. You must use the console or therequest routing-engine logincommand to login to other routing engines.Answer: B. The chassis serial number is used when configuring a preprovisioned virtual chassis. No other serial number is valid.
Answer: C. Recall that the global FPC number = (member-id * 12) + local FPC. In this case, the answer would be (2 * 12) + 7 = 33.
Answer: B. There’s no mastership election process when the VC-Mb fails. The only two routing engines that would cause a mastership election process in the event of a failure are the VC-Mm and VC-Bm.
Answer: A. The new apply-group naming convention for routing engines in a virtual chassis is member0-re0, member0-re0, member1-re0, member1-re1, so on and so forth.
Answer: B,C. Trick question. The Juniper MX VCCP implementation builds the SPF tree per chassis and uses the system MAC address as the identifier.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.