Switching

The primary purpose of a switch is to make forwarding decisions based on destination MAC address. The MAC address table is created with a list of destination MAC address for each connected device. In addition the switch port assigned and VLAN members...

I am looking for anyone experience's with migrating from the Cisco 6807 chassis switches with the 6800IA switches to the new Cisco Catalyst 9500/9300 switches. Particularly interested in design guides, lessons learned, gotcha's and other useful infor...

Hi AllI have configured port forwarding on  RV340 but still I can't access my local server from outside. I have tried all options like port forwarding , port triggiring and put local ip into dmz host  and also Im tried with all traffic allow but none...

Hi Everyone, I need some help from you people in the below requirement configuration in ASA.I have an ASA deployed with inside and outside interfaces configured. >> When users access the Outside interface of ASA ( https://20.1.1.3:443 ) with port 443...

Hi,I am working on nexus 7009 and I am getting Alert on Librenms (monitoring software) for down power supply&fan  although when I check  switch log (sh logging)  there is no log for down power supply.So I took a screen shot during the alert and after...

Hello everyone,I'm looking for possible reasons why a C4900M running IOS 15.1(2)SG8 would suddenly start incrementing Rx-No-Pkt-Buff (in "show interfaces counters detail") during peak hours on all on-board 10G interfaces with traffic (none of them ev...

Hi, I'm trying to reset 2960X, but when the process is complete, my switch has already some old configuration line like the switch number. I follow the method with Mode button (http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960xr/hardwar...

Hi Everyone..Have a good day.. I am testing XRV 6.1.3 with the OSPF routing protocol as below in the topology. R1-R4 connection is considered. When I do "show IP route" and "show cef 4.4.4.4/32", it shows both routes but when I trace to 4.4.4.4, it o...

Hello everyone,I just finished my MPLS configuration but I have one last roadblock. I can reach my HQ LAN(10.10.1.0/24) from my branch but HQ cannot reach branch LAN(10.10.3.0/24).This happened after I did NAT outside and NAT inside on the branch rou...

on both  switch HSRP for SVI interface for vlan 22 is keep on flapping below configuration as follows SW1#interface Vlan22ip address 10.29.44.2 255.255.255.0no ip redirectsstandby 22 ip 10.29.44.1standby 22 preemptstandby 22 authentication md5 key-ch...

Hi,  I know that Auto-MDIX On or Off can be verified by "show controllers ethernet-controller gigbitethernet 1/0/x phy”. I'd like to know how to verify MDI/MDIX status of auto MDIX port on Catalyst2960X. 

How do I configure a vLAN as the native vLAN for the SG350X switch using the GUI? (if possible, otherwise command line is fine)  I want to create a trunk that contains all vLANs to connect the physical switch to a Nutanix cluster (4×1Gb x 4 hosts, us...

HI all, I've noticed, and read that a /22 subnet in an not to large network should be fine.But it got me thinking about what are the best practices when you take the amount of switches in a broadcast domain in account. For example (in this case an re...