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  1. Senior Member worldmac1's Avatar
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    #26
    Its been my experience Jeremy C of CBT nuggets is always great, but after following his teachings, I checked out Pluralsight and they have really stepped up their game since taking over Train Signal. Give it a go and see what you think. I will admit the guy dives pretty deep on some stuff, and when he was covering LSAs my eyes glazed over. LOL.
    Good luck!
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    #27
    If you have their AAP, I highly recommend the CCNP Candidate's Guides. Travis Bonfigli has three series under that title. One for BGP, OSPF, and EIGRP. It was a nice change after listening to Keith for Switch.
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    #28
    Quote Originally Posted by Phiers View Post
    If you have their AAP, I highly recommend the CCNP Candidate's Guides. Travis Bonfigli has three series under that title. One for BGP, OSPF, and EIGRP. It was a nice change after listening to Keith for Switch.
    Hmm I actually do for another 2 months or so. Let me check that stuff out. Thank you for the tip.
    2017-2018 goals:
    [ ] CIPTV2 300-075
    [ ] SIP School SSCA
    [X] CCNP Switch 300-115 [X] CCNP Route 300-101 [ ] CCNP Tshoot 300-135
    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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    #29
    Fun fact: between areas OSPF kinda acts like distance vector logic.. if you only build the topology for the current area you're in, routes from other areas slip in through the ABR or ASBR.

    Annoying fact: traffic between 2 areas always has to flow through area 0; kinda sucks if you have 2 routers in area X and Y where you could just have a direct link between them; i understand the logic though but from what I read so far IS-IS doesn't necessarily have the same issue.
    Last edited by negru_tudor; 11-15-2017 at 08:36 PM.
    2017-2018 goals:
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    #30
    L3-1(config)#router ospf 12
    L3-1(config-router)#exit
    L3-1(config)#
    *Nov 16 20:38:35.640: %OSPF-4-NORTRID: OSPF process 12 failed to allocate unique router-id and cannot start

    So I recall reading that OSPF must have a router-ID otherwise it doesn't play nice. I wanted to use the interface level ospf command ip ospf 12 area 0 command instead of the traditional "network" one and ran into the above syslog message to enforce the subject once more ..this is tricky exam question type of material lol
    2017-2018 goals:
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    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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  7. Senior Member
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    #31
    2017-2018 goals:
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    [ ] SIP School SSCA
    [X] CCNP Switch 300-115 [X] CCNP Route 300-101 [ ] CCNP Tshoot 300-135
    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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    #32
    By the time I'm done with ROUTE, I'll be dreaming of LSA types - there's a lot of meat to these; a lot more than I anticipated anyway.
    2017-2018 goals:
    [ ] CIPTV2 300-075
    [ ] SIP School SSCA
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    #33
    So finally wrapped up OSPF and all its chubby areas Onto Route Redistribution, PBR and the Final Boss - BGP

    I have a ton of respect for people who have passed ROUTE through honest work and hard study!!!
    2017-2018 goals:
    [ ] CIPTV2 300-075
    [ ] SIP School SSCA
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  10. Burn Baby Burn! Cisco Inferno's Avatar
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    #34
    Quote Originally Posted by negru_tudor View Post
    So finally wrapped up OSPF and all its chubby areas Onto Route Redistribution, PBR and the Final Boss - BGP

    I have a ton of respect for people who have passed ROUTE through honest work and hard study!!!

    OSPF is nice! make sure you have md5 authentication down pat. Also virtual links including stub areas/nssa/total and know what kind of LSAs make it through to these areas and which do not.

    Redistribution is a pain, but you can do it! Not that hard once you get it as you literally break some of the features of certain protocols when you redistribute.

    I also really hated route-maps!
    2018 Goals
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    #35
    Quote Originally Posted by Cisco Inferno View Post
    OSPF is nice! make sure you have md5 authentication down pat. Also virtual links including stub areas/nssa/total and know what kind of LSAs make it through to these areas and which do not.

    Redistribution is a pain, but you can do it! Not that hard once you get it as you literally break some of the features of certain protocols when you redistribute.

    I also really hated route-maps!
    Yeah - it looks more like the "engineer's routing protocol" although it kind of forces you into a certain architecture - which isn't necessarily a bad thing if you're structured about building the network out. The RouterGods webinars on OSPF/LSAs really blow everything I've seen so far out of the water.

    I can see how route-maps might cause pain but I think it comes to the way they're used; used class-maps / policy-maps (plain and nested) for VoIP QoS which can get very confusing very fast; had to lab those for about 1 week straight (just that, not much else).

    Moved a lot slower than I would have liked due to crazy amounts of overtime recently but still got my sights on the goal.
    2017-2018 goals:
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    [ ] SIP School SSCA
    [X] CCNP Switch 300-115 [X] CCNP Route 300-101 [ ] CCNP Tshoot 300-135
    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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    #36
    I found pbr and redistribution really simple compared to ospf.

    For BGP all you really need to know for the blueprint is how to form neighbours. You can go as deep as you want though and it won't do any harm. In probably going to go over a bgp only course at some point after tshoot as I missed quite a bit out as I was struggling big time with study fatigue by that point on route
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    #37
    Quote Originally Posted by Welly_59 View Post
    I found pbr and redistribution really simple compared to ospf.

    For BGP all you really need to know for the blueprint is how to form neighbours. You can go as deep as you want though and it won't do any harm. In probably going to go over a bgp only course at some point after tshoot as I missed quite a bit out as I was struggling big time with study fatigue by that point on route
    Thank you for the help. So far I know that BGP uses unicast to form neighbors - I'll go through as much stuff as i can without getting too much into the weeds (if possible); I hear BGP being brought up often in the circles I'm in and I feel frustrated like an end-user when engineers start going deeper into it - feels like I'm missing out on the fun so need to get me some of that sweet BGP know-how
    2017-2018 goals:
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    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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  14. Burn Baby Burn! Cisco Inferno's Avatar
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    #38
    Quote Originally Posted by negru_tudor View Post
    Hmm I actually do for another 2 months or so. Let me check that stuff out. Thank you for the tip.
    Make sure you check out his Youtube Channel. I had no idea he was instructing on INE until now.

    He's a community college teacher and records videos of his labs for every topic. He literally broke down every CCNP lab I had to do for university. Great teacher.
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    #39
    Quote Originally Posted by Cisco Inferno View Post
    Make sure you check out his Youtube Channel. I had no idea he was instructing on INE until now.

    He's a community college teacher and records videos of his labs for every topic. He literally broke down every CCNP lab I had to do for university. Great teacher.
    Just browsing through his YT Channel now (https://www.youtube.com/user/travispbonfigli1969/videos) - great amount of material. Gonna try to do a deeper dive into a couple of his chained vids; see he has a lot of them.
    2017-2018 goals:
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    #40
    Finally made it to redistribution. Have to say that route tagging seems pretty cool - makes things way easier when redistribution and filtering are involved

    Things have slowed down a little bit at work for the holiday season so I plan to hit the gas pedal on the ROUTE studies and make up for some of the lost ground during these past 2 months.
    2017-2018 goals:
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    [ ] SIP School SSCA
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    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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  17. Senior Member joshuamurphy75's Avatar
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    #41
    Yeah, route tags are cool. I'm glad you are still working on this. It's too easy to slow down.
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    #42
    Quote Originally Posted by joshuamurphy75 View Post
    Yeah, route tags are cool. I'm glad you are still working on this. It's too easy to slow down.
    Well if i leave loose ends I would have wasted a lot of time for nothing so I will be seeing this through

    Was talking to my wife telling her about route tagging and filtering and she came up with the coolest analogy ever:

    We play the Settlers of Catan with friends and one of the things players can do in their turn is to swap resources with others. So she said that route taghing/filtering sounds exactly like when you're trying to trade in a resource that you have plenty of (ex. sheep) and accepting a different type of resource in return (ex. ore) so declining sheep from other players because you're trading that in to begin with lol.. sounds funny but this will stick with me for life
    2017-2018 goals:
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    #43
    Cool OSPF command for easily identifying ABRs and ASBRs in the domain:

    #show ip ospf border-routers
    2017-2018 goals:
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    #44
    Finally made it to Chapter #13: BGP Having done SWITCH helped a LOT with CEF and IP SLA / tracking objects and CVOICE helped loads with PBR which feels similar to how class-maps and policy-maps worked for voip traffic; those could be applied in both inbound and outbound directions on an interface.

    PBR only works inbound so one less direction = less complications lol.

    Being able to make a little bit more progress these days sure helped put some more wind in the sails / boost enthusiasm.

    Targeting sitting the exam either February 13th or February 20th. Still some time left though.
    Last edited by negru_tudor; 12-28-2017 at 03:06 PM.
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    #45
    Well CBT Nuggets had a very good course 642-661 on BGP. Going through some of it right now for BGP (ROUTE seems to be light on the topic). Seems to be a LOT better than what they have for the whole ROUTE series
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    #46
    Useful BGP stuff for noobs like myself:

    - iGBP mostly used when you're a transit AS. Customer dead-end AS won't necessarily want/need to do this.

    - iBGP peers don't add anything to the AS_PATH or next-hop. Use case would also be when 2 enterprise routers run BGP but are in different countries etc. - some paths would be "closer" through one country vs the other.

    - eBGP neighbors over redundant paths require the ebgp-multihop command to form an adjacency when an underlying IGP is used (OSPF, EIGRP etc)

    - if you're a transit AS then the no synchronization command can help with BGP route propagation without having to rely / wait on the underlying IGP to have the same route; this seems to have been used some time back when eBGP routes were being redistributed into the underlying IGP which is not the case anymore. This can cause issues though & situations that BGP routes from an iBGP neighbor show in the BGP table but not populate in the routing table (can be "fixed" / patched with the next-hop-self command).

    - We Love OLives As Oranges Mean Pure Old Refreshment for BGP Path Attributes (makes no sense but had to distinguish between Originated Locally and Origin codes)

    - When iBGP neighbors are formed but the underlying IGP doesn't necessarily have routes to an eBGP neighbor, using the next-hop-self command on iBGP neighbor statements (ex. neighbor 2.2.2.2 next-hop-self) gets the routes in the BGP/routing tables without having wait on the IGP to have a route to the place / node the route originated from OR​ simply fail due to the the IGP not having a route to said node. The next-hop-self command rewrites the next hop address as the route propagates through the network.

    - dirty way of doing eBGP summary routes from our AS BGP border routers (to not flood the ISP with VLSM subnets) is by:

    1) creating a static #ip route <summary_prefix> <prefix_length> route pointing to the null interface
    2) on the same AS border routers, advertise this route using the network command

    > any more specific routes within our AS will still work because the manual null summary is a poorer choice
    > the ISPs would not be flooded with whatever VLSM-subnets we created within our AS for customers (if we're a transit AS) or our own devices if we're an enterprise; they'll only get the summary route

    That 642-661 material is killer
    Last edited by negru_tudor; 01-29-2018 at 08:12 AM.
    2017-2018 goals:
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    #47
    Well the OCG can't beat the CBT Nuggets 642-661 course; it's still good but the CBT one is so easy to assimilate and get stuff off the ground.
    2017-2018 goals:
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    [ ] SIP School SSCA
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    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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    #48
    300-101 ROUTE exam now booked for the 20th of February, 08:00 UTC.

    I also took Fridays and Mondays off from the 19th of January until the 19th of February to allow additional review, labbing and study / filling in the cracks.

    Countdown has begun
    2017-2018 goals:
    [ ] CIPTV2 300-075
    [ ] SIP School SSCA
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    [ ] LPIC1-101 [ ] LPIC1-102 (wishful thinking)
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    #49
    Looks like we're at about the same spot in our preparation. What are you using for studying Netflow? I thought I had my head wrapped around it until a Boson preTest threw my confidence in the topic off the side of a cliff.
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    #50
    Quote Originally Posted by HappyBearIT View Post
    Looks like we're at about the same spot in our preparation. What are you using for studying Netflow? I thought I had my head wrapped around it until a Boson preTest threw my confidence in the topic off the side of a cliff.
    I can't say I found 1 single resource to cover Netflow properly. Most of what I have / looked up are bits & pieces from:

    - https://networklessons.com/cisco/cci...cisco-netflow/
    - YouTube / CBT
    - INE (https://ine.com/products/ccie-routin...twork-services) cover NetFlow as part of their CCIE Deep Dive series for R&S

    Don't have access to this one but LiveLessons (Cisco Press) seem to have a course on Netflow:

    - http://www.ciscopress.com/store/cisc...-9780134469850

    Best of luck with studies / review & exam!
    2017-2018 goals:
    [ ] CIPTV2 300-075
    [ ] SIP School SSCA
    [X] CCNP Switch 300-115 [X] CCNP Route 300-101 [ ] CCNP Tshoot 300-135
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