First, I would like to know what is the ideal broadcast domain size. I guess it is always to better to have more collision domains. But I have not been taught about the ideal broadcast domain size. So, I googled and figured out that the ideal braodca...
Forum Posts
I am recieving HSRP multicast packet on my firewall interface and in turn firewall is dropping it. I have nexus switch connected through VPC in point to point manner not sure why traffic is going to firewall interface inturn firewall dropping that p...
What are the benefits? One uplink is still blocked all the time and extra SFP / fiber cost? Will this only works optimally with a STP version higher than CSTP? Say MSTP. What does an optimal design look like with a dist switch having an uplink to eac...
Hi,I'm configuring a 2911 router and I was configuring the GE ports and they always stay down even when using the no shutdown command. How do I bring them up? Thank you
Hi Team, I have cisco WS-C6506-E chassi running with "s3223-ipservicesk9_wan-mz.122-33.SXJ10.bin" suddently the device went to rommon mode by resetting the same came up and working fine but below errors are generated at the problamatic time .(logs fr...
In ICND 1 course, I was taught that I can classify IP Address as following:Public -> Static, Dynamic(DHCP)PrivateThis is how I classifies:Public -> Static, Dynamic(NAT)Private -> Static, Dynamic(DHCP, APIPA)Lastly, this is how my friend classifies:Pu...
Attached is an image which shows the topology my question relates to. I have built the exact same topology and configs in my simulator and received the same results, so it's my understanding that this is correct but I am unsure why. To identify the d...
Hi all,Basically, I'm new to Cisco so please bare with me. I can ping between PC2 and PC3. But I don't know how can I let these 3 PCs communicate especially with PC1. Since PC1 has to be in different subnet. I haven't configured any of the switch or ...
This error apparently means that trunk ports started receiving inconsistent native vlan info from it's peers. Meaning that either the switch in question or it's neighbor switches had it's native vlan ID change or disappear. My question is how could t...
Resolved! IGMP SNOOPING VLC
Hi all, I am doing a lab for testing multicast/IGMP snooping with VLC. I do not see IGMP traffic when streaming video on the network but I do see the stream, is VLC should send IGMP query message? Thanks William
Dear all, Do you know what is going on this message? How can we solve this error? %IGMP_QUERIER-4-QUERIER_MROUTER_DETECTED: An external IGMP querier or a multicast router has been detected in VLAN : %IGMP_QUERIER-4-SAME_SRC_IP_ADDR: An IGMP Gener...
we have one layer 2 port channel on cisco 3850, inside port channel, two ports, one E2/0/1 is up, the other port e3/0/1 is down, we now add the third port e3/0/3 into port channel, currently we shut down port e3/0/3.do we just need to unshut port e3/...
What is the recommended SFP for a C7000-9 to interface with a Nutanix cluster with 10GB SFP+ SI Network Adapter?
Hello,I need to implement spanning-tree MSTP on a networkNumber of switches on the network L2 : 400MSTP technical specifications1 domainNo vlan in instance 0Vlans 1-4094 in instance 1Is there a limitation on the number of switches supported by the MS...
Hi all, I have a cisco 2951 with logging size set at 8192 bytes. Like to check the following queries.1)What is the number of syslog messages that can be stored on my router with 8192 bytes2)upon reboot of my router i notice the syslog messages would ...
