Switching

Hallo,I was about to update a pair of new Nexus 5572UP Switches, but switch told me that ISSU with L3 features were not supported. However I don't have a layer 3 daughter card installed and use the switches as pure layer 2 access switches with vpc co...

Hello,  I have to configured QOS on 4500 , I am using Etherchannel with two physical (10G ) interfaces. I have to confirm that I need to configure Service-Policy output voip on Etherchannel interface also or not . Secondly I need to configure in out...

I just implemented 2 firewall (fortigate) units with high-availability and setup their VRRP interface that is connected to a single core switch (3650). When testing, the failover process was success but the problem is on the switch couldn't forward t...

Hello everyone We are planning on using APIC-EM PnP on a near future to deploy some hundreds of switches on our network. Everything seems to be working as planned but in order to do a real zero touch deployment I am still missing the hostname config...

To Anyone that can help, I have an internal server running on an IE 4000 switch that has a website I need to access.  The website is at 10.100.30.91.  According to the instructions I have to assign the vlan to ip address 10.100.30.90.  I also have a...

Community, I am trying to create a port channel between an ASR 1002 and a pair of 4500x Switches. However, I am having trouble understanding the VLAN based approach the ASR requires. I want to create a 2 port etherchannel using vlan 254 with IP addr...

I work for our cities local arena. Our network is pretty diverse, with devices getting upgraded incrementally. This has led to a mishmash of different APs and switches. Recently (may 4th) we had an AP go down out of nowhere (AIRLAP-1242AG-A-K9). I re...

I've been using the "sh fabricpath load-balance unicast forwarding-path ftag 1 switchid 1430 flow-type l2 src-mac 1111.1111.1111 dst-mac 2222.2222.2222 ether-type 0x0800 vlan 604 module 7" ; "This flow selects Po3"....and I have some questions about ...

I have a WireShark packet capture and need some assistance looking for DSCP and other QoS marking.  I can find in the capture under the IP header where there is a section that looks like this>Differentiated Services Field: 0x80 (DSCP: CS4, ECN: Not-E...

Hello.  I have a question about proxy arp.  topology is like below.  PC1---------------|                        SW--------------(proxy arp is enabled)R1 PC2---------------| PC1 : 1.1.1.1/24 PC2 : 1.1.1.2/24 R1   : 1.1.1.254 (GW) at the very begi...

On Nexus 9K (9300), is there a default DSCP to qos-group mapping, similar to how the legacy Cat 3K's are?If so, how do I see those mappings?Or is everything thrown into qos-group 0 by default?I'm trying to determine if we can utilize the qos-groups a...

According to this fact the answer C is incorrect, and answer D is right, Am I right?? VTP pruning takes effect several seconds after you enable it. VTP pruning does not prune traffic from VLANs that are pruning-ineligible. VLAN 1 and VLANs 1002 to ...