Switching

Hi all, In our topology we have two PC-s and they need to arping some IP address from the IP segment constantly. We decided to set svi to one vlan from switch Cisco 3850 which is directly connected to the both of the PC-s.  The new created interface ...

Title pretty much says it all. If I set up a mon cap on a 4500-x or 3850, and specify both on the interface, I only see dns queries, I never see any dns responses. It's not clear to me why I don't see the dns responses. In this example, we have a bui...

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Two routers are conneccted with each other & tried to filter router1 loopback address using route map with extended acl.But still its not filtering routes & incase i use standard acl it filters the routes.below is the config of both routers.Router1:-...

I have a network where users are seing slow responce issues. I have stacks of 3750's connected to the 4500's using etherchannel. the logs show an issue with 3 of the vss ports.the logs belwo keep repeatingcould this cause a slow responce issue.versio...

Lastly, this is probably really a stupid question. Recently, I figured out that ARP has four brothers. The one I discovered by playing with GNS3 was 'Gratuitous ARP'. I am not sure but this is how I understood the gratuitous arp. If I try to use a pu...

HiI came across a strange issue today where a couple of ibgp sessions were stsying up for 3 minutes then dropping.I had recently changed the lan mtu from 1500 to 9000 and all was ok until the bgp sessins had to re-establish, then when they did they f...

Estimados, quisiera que alguien me preste asesoramiento para comprar switches de 10 Gbps para interconectar servers. No se cual de las líneas Catalyst o Nexus es más apropiadaTRANSLATIONPurchase switches with 10 Gbps portsDear, I would like someone t...

Hi Team, i have cisco WS-C6506-E chassi running with "s3223-ipbasek9-mz.122-33.SXJ10.bin" IOS .Below are the vulnerability hitting on the perticular IOS. Unsupported Cisco Operating SystemSSH Server CBC Mode Ciphers EnabledSSH Weak MAC Algorithms Ena...

I have a Cisco switch into which is plugged a Cisco Aironet. Unless the port role is set to access point traffic from wireless clients is 9 times out of 10 not passed through the switch. Why is this, what exacly does port roles change?

Hi, Looking more detailed info (no aviabled detailed datasheet in cisco.com) about Nexus 93180LC-EX... 1) does it support NX-OS operating system ore only run in ACI mode? 2) does it support FEX? 3) does all 40G port are breakout capable, so in this p...

Hello,I have some questions on implementing ACLs.(I've only really used them for restricting access to VTY and this has never come up) So the scenario is I've been asked to restrict access to some managment interfaces to only a few managment workstat...