Dear Networkers, We all may have heard that with IGMP snooping feature enabled and without some special configuration(Querier, mroute...), one switch connecting to the source won't forward packets to another switch with receiver there in the same V...
Hello Experts, We have a few remote sites with dedicated internet access (mostly 1 Mbps up/down). We have configured GRE tunnels back to the HQ. In each location, we have maximum two users with Internet access which will use the same internet connect...
Hello, I have som problem with DHCP snooping working with DAI. Can anyone explain to me, why I am getting those invalid ARP req? ARP inspection is configured like this: Source Mac Validation : EnabledDestination Mac Validation : DisabledIP Addre...
hi, I have a few questions on multicast show output. I am running in Dense mode and need to understand few things from the out put below. This is from one of the routers in the tree which is neither source not connected to receiver. R4#sh ip mro...
Hello, I try to do a SPAN on my Cisco Nexus 7009 (6.2(16) N7K-SUP2 / N7K-F248XP-25). I monitor a source interface Po3(20G) to a destination E4/24 (1G). I don't have more 1Gbit/s traffic on my port-channel, and i don't carre if the traffic is drop. ...
Hi Experts, I have a Gigabit Interface on Cisco 3850 switch connected to the MPLS Router Gigabit interface which is of Cisco 1900 series. I need help is setting the bandwidth value on the switch interface. I am seeing the below result, when trying ...
Hello, In my work we distrubted the switches as :2 Core Switch ---> 10 DS switches ---> 80 Edge switches My question is: Where to apply "switchport trunk allowed vlans", is it better to apply it on core, DS or both ? Thanks
hi all, all what i need to know is if i got 20 switches and a lot of departments and VOIP is included, How many vlan's gonna be created and in which way????? Please tell me the best solution for this quiz... and please give m...
I am working on a project to build a tenant bolt on site model with a pair of core switches. One high level design had 4500s utilizaing VSS. Though VSS is a great technology I am concerned if I commit a client to a remote site bolt on model with ea...
hi all, all what i need to know is if i got 20 switches and a lot of departments and VOIP is included, How many vlan's gonna be created and in which way????? Please tell me the best solution for this quiz...
Hi, my 3925 router is restarting again and again, it was in rommon mode when i connect it through console. Attached file show router output. Kindly suggest
Hi, We have been facing a strange issue in our network. When we implement an ACL on a router or a L3 switch at branch end the Citrix App launch or any other web services are getting slow. But when we access the same application without ACL, it's ve...
Hello All, I have switch C2960 which was broke and not able to turn on after a power recycle, so i was asked to check whether the switch is in ROMMON or not, could someone help me how to check it. Thanks in advance
hi guys,I know the information is on the internet but could you give me an easy to understand comparison/differences on VSS,stackwise and VPC.What are the differences or how does each technology differ from the other? On what scenario is one technolo...
I have already posted my question here so not trying to explain it over again. Do you have any idea? https://networkengineering.stackexchange.com/questions/46376/cisco-asr1006-esp40-high-cpu-utilization?noredirect=1#comment78209_46376
