Hi everyone: We've got a set of Cisco 9300-24UX switches that are stacked together as a stack, running IOS-XE 17.03.03. We've several VLANs configured and used HSRP for redundancy with an adjacent stack of Cisco 9300. We are wanting to text/enab...
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Hi,Requirement is 90 ports downlink (for edge switches and 4x40 for server farm )going for 2 cat 9500 or one 9600 is good performance wise Thanks
Hi, I am experiencing a strange problem with my WS-C3560CG-8PC and a Meraki MV device.Set-up: 1 x WS-C3560CG-8PC, enabled for routing, service dhcp enabled, DHCP server is the switch and I am looking to relay the information to a 3P NAC solution. Whe...
Resolved! Create 500 VLANs
What is the easiest/best way to create 500 vlans on a 3650 switch?
Hi, I am practicing subnetting and trying to build a small network. I created the subnet and the addresses as follows: Here is the topology:When I try to ping from PC0 to PC1, or other PCs under the same router, it works. But if I try to ping, for e...
Hello all, Context/Description: I have an C6840-X-LE-40G with "high temperature" for the EARL. On Zabbix, I have recieve an alarm because the temperature was higher than 70°C. #sh environment temperature ... switch 1 module 1 EARL 1 device-1 temp...
Hi, I want to use the Switch IE2000-16T67P-G-E in a field installation without POE. Can this switch be operated with 24 V? In the manual I am a bit curious about the models, so I am not quite sure if this is correct and the following sentence is for ...
The customer would like to set up the fibre optic connection interruption via their control system as an alarm.Does the switch SG550X-24 have an output where we could use this?So a potential-free one. Refernz to the last SR 692318458 (Valentin Dimitr...
Resolved! Stack 3750 Modular Switch
Hi friends!I have a cisco c3750x-48pf-s switch. I want to buy another switch with same part number to have stack between these switches. should these switches have same modular uplink to form stack?can I have C3KX-NM-1G in one switch but no uplink mo...
Hi, We use Cisco Nexus 3550-F Fusion switch product in our HFT firm. Currently, we have two separate physical market data feed connections to exchange market, namely primary and secondary, which carries exact the same data. These two separate fiber l...
Resolved! Spanning Tree with vPC and non VPC
Hello dear community,I am currently trying to understand an existing topology and its spanning tree (screenshot attached).This is probably a topology that deviates from best practice.We have two nexus switches and a cat switch in use. nex4(secondary)...
Hello Friends! In IBNS 2.0 Deployment Guide I read that we can define IDLE timeout for our access-session in policy If we use additional "probe" parameter switch have to check availability of silent endpoint(arp probing) I defined service template ...
Resolved! Nexus 5K VPC saving config
We have a Nexus 5K setup as a vPC pair. I can log into the "primary" do a config update and copy run start saves the config. If I log into the Secondary and make a config change, doing a copy run start results in: Sec# copy run start[##############...
Hi,If I have core , aggregation , access . Access is layer 3 ( vlan interface on access switch ).In that case what is the role of aggregation Thanks
Resolved! Why DHCP option has "magic cookie" ?
In RFC 951, the format of BOOTP packet was legislated, but the vendor information was not legislated in this document, so the authors of this document had described that :"If the 'vend' field is used, it is recommended that a 4 byte 'magic number' b...
