Verify my RSTP understanding please?
Ok I've just read the rstp config guide. Can someone now clarify my understanding is correct please?RSTP port roles: alternatebackupedgedesignatedroot RSTP port states: discardinglearningforwarding...
View ArticleBroadcast v/s unknown unicast v/s unknown multicast
Can some one tell the difference between Broadcast v/s unknown unicast v/s unknown multicast?
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OSPF inter-area route filtration
Hi guys , I'm trying to do following type of route filtration , I have Above topology , R3 which is in Area 1 is advertising route , for example ( 10.10.10.10/32 ) , R1 must filter this route for...
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OSPF NSSA
i'm not sure 100% but i believe this design is not valid although have no discontiguous area and the source redistribution addresses from where external routes come from were all ospf internal...
View ArticleRSTP - Inferior BPDU
Hi, sorry for so many mesages on RSTP, the info on the internet is completely vague, including the latest ccie v5 ine video actually, so it poses many questions.In the topology in this link...
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BGP Selection -- multiple route-reflectors
I am having trouble trying to figure out the selection via two route-reflectors (matching IGP costs). Hopefully someone can help with this. Thanks. This is a BGP mini-lab I built in gns3. What I...
View ArticleBuilding INE's RSv5 topology on IOU/IOL on GNS3
Use this thread for discussion on building INE's CCIE RSv5 topology using GNS3 with IOU or IOL.Details of INE's RSv5 topology can be found here.Details on GNS3 can be found here.This thread is a...
View ArticleOTV, Multiple DCI, Load Balance, Redundancy
We have two DCs connected with two DCIs. OTV is running (on a separate Nexus 7k VPCs), with the known limitation that all traffics are still using only one link. Cisco design guides suggest using...
View ArticleCisco Configuration guide during exam
Hi, Can you please provide the link available during the CCIE DC exam ? is it the complete homepage www.cisco.com ? The URL shown in VoD is different and not seen as such in the cisco portal. what is...
View ArticleHosting issues
Hi everyone, i have datacenter of hosting , my company gives services to customers on the cloud.for example: companies makes DR of their websites on my datacenter, they connect my datacenter with ISP...
View ArticleNexus 7K (pre) Vlan Configuration
Hi Guys, Im pretty new to the whole Nexus Switching environment, and I havent had chance to watch any of the nexus videos, so apologies if this is covered. I've noticed in a running-config that two...
View ArticleVNIC trunk in UCS
Hi, the vnic bydefault trunks traffic up via adapter upto the veth interface. this is suitable if the vnics are mapped to ESXI server. in case of bare metal type, such as win 2K, if there are are four...
View Articlespan - ingress untagged vlan
I havemonitor session 1 destination interface Fa0/24 ingress untagged vlan 146SW4#sh int fa0/24 statusPort Name Status Vlan Duplex Speed TypeFa0/24...
View ArticleINE CCIE SP virtual lab
Hi,how to build virtual lab for CCIE SP? is there an IOU available for workbook 1? or can it be gns3? how to practice this topology with xr? my laptop has i-7 processor, 8G RAM, 750G hd. will it be...
View ArticleStatic Routing: When to use Next Hop IP, Exit Interface, or Both??
Hi,I am a little confused when the Next Hop IP, vs the Exit Interface, vs Both should be used when doing static routing. It seems from my understanding that it would be best pracitce to always use both...
View ArticleBPDU Filter & Guard Globally
Quick question on the most secure way to protect your network. I didn't realise until I watched Brians video on this topic, but when configuring BPDU filter in global config it only blocks BPDUs from...
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Selling my Service Provider Lab 12008 GSR
I recently passed my Service Provider Lab and I am looking to sell off my Cisco 12008 running IOS-XR, This single chassis is equipped to run dual SDR routers. I would like the sell the switch as a...
View ArticleDIAG section
Hi Everybody,Just wondering if there was anything out there to specifically help with the new DIAG section? Or is this something that I should spend any time on? Wireshark outputs maybe?I'm two weeks...
View ArticleBuilding INE's RSv5 topology on IOS on GNS3
Use this thread for discussion on building INE's CCIE RSv5 topology using GNS3 with 7200 series routers.Details of INE's RSv5 topology can be found here.Details on GNS3 can be found here.This thread is...
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