show cdp neighbors command shows two devices connected through the same local port?I have a Cisco 3560 that when I issue the "show cdp neighbors" command I get the following results:Switch1#show cdp neighborsDevice ID Local Intrfce ...
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Hi All,I have a topology as shown below:The Firewalls A & B are running as active/standby. I have an etherchannel configured between L3 Switch A and Switch B. The switches also have HSRP running for various VLANs. The link between Switch and Firewall...
Hi All,Can anybody help me to know the link for online supernetting calculator?Regards,Thiyagu
I have configured IP device tracking on a Cisco switch but is there any way to be alerted with Cisco Prime whenever a port becomes inactive?I have axis cameras connected to switch ports and I need to know whenever a camera is not available The 2960c...
Hello, I was creating 2 decently large ACL's to match some traffic today and I noticed something peculiar that has me puzzled. My first ACL has approx 90 ace's and pastes them fine. When I go back and look at the ACL, it looks like there are only lik...
Resolved! redundancy in core layer
hi guys . i have a network with below topology. In the core layer, I want to have redundancy, which means that if the main core switch of my network has a problem, the backup switch will automatically enter the circuit. What method is there?
Hello everyone, I have two cisco 3750 switches that are on stack with the below config Switch# Role Mac Address Priority State--------------------------------------------------------*3 Master 0017.5ae7.d500 1 Ready4 Member c062.6b8c.f200 1 Readyi wou...
Hi, hopefully this is the right place for this question. We have a switch stack of three 9300 switches running IOS XE that handle networking for the office area. The office machines sit on a single vlan. DHCP is provided by a Linux DHCP server sitt...
Hi,I have a setup with following components.* Cisco - Meraki MSS120-8FP Gigabit Ethernet Switch* Cisco - Meraki MR30H Access Point (POE)* GRMS Device with LwIp Stack* 2 PC with Windows 10.* My PC (Windows) to pingWhen I try to ping the GRMS device t...
Facing FAN speed 100% issue in nexus Nexus 93180YC-EX switch.
We brought a new core switch (cat 9500) with the intention of shifting to it , however i would like to test some uplink to make sure the link will go up on the shifting day , however I'm worried if i connect the new switch it would mess the vtp or th...
Hey all, I have several switches (Catalyst 9200) IOS version 17.10, all connected to a CORE switch (WS-C3850-24XS-E) All 9200 are connected through trunk ports, whose native vlan i is the management vlan where all switches have IP adresses. Now a f...
Hello everyone. I work in Cisco Packet Tracer and have a simple network with 5 subnetworks connected through 2960-24TT Switch. The problem is when i connect 5 subnetworks to 1 network some (3) routes light orange (amber). And i can`t fix it. Where sh...
Resolved! High Memory Utilisation 9200L
We are seeing random high memory utilisation spikes on our Cisco 9200L switches, running version 17.9.4a. We thought this might be related to the application visibility that is pushed out to them via Cisco Catalyst Centre, so we disabled application ...
Newly installing these Industrial switches for our PLC networks uplinked to C9200 switches. We are wanting to use some of the ports for l2nat and have gi1/1 as the uplink with the associated vlan (2009). L2nat works perfectly, but we would like to ...
