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While reviewing some syslog messages, I noticed the following entry:%SW_DAI-4-DHCP_SNOOPING_DENY 1 Invalid ARPs (Req) on Gi1/0/13, vlan 10.([0011.3221.5503/10.10.40.10/0000.0000.0000/10.10.10.42/23:15:39 JST Sun Oct 3 2021])It repeats 27 times before...
Hi. I am setting up a newly provisioned Catalyst 1000 (C1000-24T-4X-L). It has 24 gigabit ports and 4 10G SFP+ uplinks. Here is the interface output:SW01#show ip int brief
Interface IP-Address OK? Method Status Proto...
Hi. While administrating a newly provisioned Catalyst 1000 switch, I needed to find the MAC address of a host on the WiFi VLAN 20. So I tried the following:SW01#show mac address-table dynamic vlan 20
Mac Address Table
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I need some help in understanding the usage of an switch uplink. Lets take the C1000-24T-4X-L as an example. It has 24 Gb ports and 4 SPF+ uplinks. My basic understand it that these uplinks are used to connect multiple switches together.Would I be co...
I have a used ASA 5506-X that I use for CCNP learning. Unfortunately, it suddenly stopped working this week. Upon being plugged in, the status light flashes amber endlessly. There is no console output, either.I have not made any configuration changes...
My apologies. I found the cause. I must have over thought this because to my embarrassment, the answer was all there right in front of me the whole time.%SW_DAI-4-DHCP_SNOOPING_DENY 1 Invalid ARPs (Req) on Gi1/0/13, vlan 10.([0011.3221.5503/10.10.40....
Thank you for the response.However, perhaps my question was not clear. I understand what an ARP violation. Rather, my question is how a host in VLAN 40 (10.10.40.10) could try to ARP a host in VLAN 10 (10.10.10.42). ARP is a process to identify a MAC...
Yes, that is my understanding as well.But I am understanding the relationship between the SFP+ ports and Gi1/0/25 - 28.What is the purpose of this mapping, and what is being accomplished by doing it?Is it just a logical mapping / internal implementat...
Thanks for the response.What is the need for this port mapping? What is the purpose and what is being achieved by this mapping?Surely a 10 Gb port cannot be mapped to a 1 Gb port without a lose in bandwidth.Or is just a logical mapping when running a...
