MPLS push-pop-swap labels
Assuming this is the topology. CE1 is advertising prefix 10.1.1.0/24 and CE2 is 20.1.1.0/24 and they're both communicating each other. CE1-PE1-P1 - P2 - PE2 - CE2going back to the MPLS process,...
View ArticleACS 5.6 CLI Logging
Hey all,This might be some low hanging fruit for one of you to answer - how do I enable successful and unsuccessful login attempts to the ACS 5.6 CLI to a syslog server? I receive logging output to my...
View ArticleRouter-ID uniqueness requirements
Just going through scenarios for the uniqueness of router-ids, thought to share my findingsEIGRP- Must be unique within ASOSPF- Must be unique within area- ASBR rids must also be uniqueBGP- Must be...
View ArticleGLBP Weighting
Assume we have a router using the interface configuration below. Now lets say we used some tracking with an ip sla to decrement the weighting when a bunch of interfaces go down. Assume now, that all...
View ArticleT5 vs. Translated T7 to T5 LSA Forwarding Question
In a normal T5 LSA, the forwarder is set to 0.0.0.0 which means to forward to the originator of the LSA. If the ASBR is not in the local area, use a T4 LSA to locate the ASBR.In a T5 LSA that has been...
View ArticleINE DC Full Scale Labs
Hi Everyone,I was just wondering if someone has the Topology diagrams for Full Scale Lab 1? I see that in Full Scale Lab 2 it is available in the workbook, but I can’t find it in the first one.Anyone...
View ArticleVMware Trial Software
For those interested in learning VMware at home, but do not have licensing and do not want to have to rebuild the environment when the trial expires, you now have a new option. VMUG: EVALExperienceThe...
View ArticleSystem Message Logging
Hi,I disagree with the sample solution for this subtask:Debugging messages should be sent to the router consoles, but limited to 1 message per second.which was solved with the following command in the...
View ArticleEtherChannel vs routing protocol Equal Cost Multipath (ECMP) ?
I assume ECMP is load balance of L3 routing protocol like ospf , eigrp, right? but then using that between switches? etherchannels seems to be better option.
View ArticleUCS FI's flood igmp traffic
Hi,I've been doing some work with igmp within UCS, and it seems even with a multicast policy applied to vnics, and all the necessary igmp configuration, the FI's just seem to flood traffic to hosts...
View ArticleGLBP & load-balancing
I have just one more question on GLBP here. I setup GLBP between r1 and r2 on a network that looks like this: R1 --trunk-- Sw1 --trunk--Sw2 --trunk-- R2 I brung the vlan out on Sw1 and Sw2 in SVI's so...
View ArticleCisco Unity Connect 8.6 AA ring duration on transfer
Hi,I have configured a System Call handler and edited the caller input to transfer to alternate contact number after hearing a greeting. The call action is a supervised transfer and recardless of the...
View ArticleVIRL or CML?
Hi everyone,I'm hoping to build a virtual lab environment in which multiple students have access to their individual pods of about 6-7 routers, and all of the "pods" of virtual routers are contained...
View ArticleTelnet without the telnet keyword
Im trying to telnet without typing the "telnet" keywordrouter#1.2.3.4i noticed that it worked in some versions and didn't work in some,what controls this option? any ideas? I also tried the...
View ArticlePIM DM (*,G)
hi all I do not understand why PIM DM router creates (*,G) when it receives multicats traffic.can someone explained shortly for me please ? thanks,
View ArticleDelete this post (i put it in the wrong forum section)
Sugar, sorry I just put this in the wrong forum section. Delete this post
View ArticleCSR 1000v Netflow
hi all I am trying to configure Netflow on my CSR 1000v in order to monitor it through an application called Whatsup GoldI have seen the USer Manual Guide for the Netflow Command configuration, !...
View ArticleIssue with FCOE E-ports on N7k
Hi, I am trying to configure vfc in storage vdc on n7k, but getting some errors. I would be grateful if you could support me and let me know what is required to make it working. Thank you.DEFAULT...
View ArticleLoop Guard
This feature is something I need a clearer understanding on.In the picture in the link below, assume the connection between Sw1 and Sw3 is fibre. Now assume UDLD and Loop Guard is disabled and the...
View Article