Hi, i have a switch Cat4510 with ports connected to some device gi1/1 and vlan 90 I want to mirror to another port gi1/10 but that port is in vlan 50 for data and has PC with wireshark and we have remote access to it. So question: if I run monitor se...
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Hi,I'm labbing a DCI setup according to the topology diagram below. Each DC has its own VPC domain. The 9Ks act as default gateways for internal VLANs.I want to Isolate HSRP between DCs, so I can have the same HSRP VIP active on both DCs. I am using ...
Hi Folks, Does anyone know the process IOS XE upgrade to 9200 switches working in the stack?Considering we've 6 stacks members, will we upgrade the ACTIVE member while others keep operational and then the other members will be upgraded one by one vi...
Hi! ! Dear friends, I have encountered a problem here, I would like to ask for your help, and use your experience to guide me to solve the problem. The situation happened like this, on the night of March 13th, my cisco Nexus 3548 Chassis suddenly had...
Dear Sir,Kindly i need the help . i have 200 mbps internet speed from ISP. i am getting the same speed once i connect to the sophos firwall but one i connect that port to my cisco switch WS-C3850-24Pseries than i am getting the 100 mbps speed. kindly...
We are planning to do a software downgrade from 17.06.05 to 17.03.04 for the catalyst 9300-24T modelI have read cisco document and understand it support for software upgrade .Does xFSU（Extended Fast Software Upgrade）support software downgrade as wel...
Afternoon all,We have a Catalyst 4510r+e that in November we was going to tweak the config so we can use at another site, which at the time booted up fine as we tested this as it has been sat there for a good few years (before my time here).... a few...
Hello Professionals!I am trying to re-arranging VLANs / STP protocol of my switches but I found something that weird.When I do>> sh spanning-tree rootI can see all of root port of each VLANs.Weird thing is that VLAN001 is pointing Gi2/0/46 as a root ...
I have a question regarding a C6800-32P10G module in a 6509-E chassis with Sup-2T.The module can operate in 4:1 oversubscription mode or 2:1 oversubscribed performance mode because the chassis backplane bandwidth is only 80 Gbps.Does this oversubscri...
Resolved! Routing and Gateways
I am trying to determine how to do this. The diagram below works except if one of the firewalls/wan connections goes down. Then the systems using that default gateway don't use the othe gateway if available. For example if the firewall at location 2 ...
Hi all, We are moving from Dell Switches to Cisco Switches. I have the config from dell switches I was just wondering if there is any way I could convert these config files so that it get compatible on cisco switches. (syntax wise) thanks, Kashif Ahm...
Resolved! when and why we use /31 subnet
Hi all,i know about /30 subnet we use when we have to use point to point network./30 we use when we need only 2 hosts on either end of network.cansomeone tell me why and when we use /31 subnet mask.thanksmahesh
Resolved! Stack of two SG550X
HiCan I use GE1 and GE2 ports to stack two switches?If so in what way?I want to use ports XG1-4 for something else.
I am lab testing a MACSEC configuration from an NCS55A2 to an ISR4431. However, the NCS only does macsec on 10G or higher interfaces, so I have made a switchport connection, access-mode same vlan, such that the NCS can connect at 10G and the ISR at 1...
Resolved! Configure Etherchannel with STP.
Hi all,I have a few questions for network configuration on Nexus 93108TC-48. currently we are hosting private cloud for our customers and recently I have been tasked to do network hardening. I still new in handling network devices on production, afra...
