I am trying to bring up a port channel using LACP active. Previously, when I would try to bring the ports online it would cause a loopback error. Today I was able to get onsite again and tried configuring it from the edge switch via serial cable. I b...
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Hello, I attached a simple topology to show what I need clarification on. Two L2 switchesA link between these two switchesEach port is configured with a L2 VLAN (Left SW: VLAN 100 ) (Right SW; VLAN 200) The question is, will the device attached to...
I am attempting to create a ERSPAN session across two catalyst 9300 switch's management ports. I have been referencing the configuration guide for the catalyst 9300 (https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9300/software/release/16-...
Hello all, hoping to get some help in one of my configurations. So my topology is we have a inside network PLC on a 192.168.1.50 address. This address is local only so that the PLC can communicate with its other accessory devices on the 192.168.1.x n...
Resolved! Flash - Read only file system
Good day, I have a switch cisco ws-3650 -24ps-s which in rommon mode "switch:" I tried to boot packages.cnf but keeps rebooting. I tried to copy a new IOS version in rommon mode to flash: but I got a message which indicates an error "Read only fi...
Resolved! SSID in Packet Tracer not Visible
I have a lab with Packet Tracer, I created just a simple topology to test an issue I'm having. In my packet tracer, you'll see a WLC, and an LAP. Two VLANS: 10, and 20. Simple IP networks for each. The laptop cannot see the SSID. If you swap the LAP ...
I hope this is easy questions.I am converting a switch from an old Aruba Switch to a Cisco 9300.. Aruba configs are pretty straight forward with Tagged(trunk) and Untagged(access port) interfaces. But on this switch, I see a vlan that is tagged and a...
Dear Cisco community. I wanted to get your take on some interface issues we've been having between or Nexus 9K and Catalyst C6807. Seeing CRC errors on the 6807 (wancore) - and output errors and discards on the connected links on the 2 Nexus switches...
Resolved! Inter-VLAN routing only working one way
I'm trying to get routing working on a Catalyst 3850, but it will only work one way. I have the following vlans set up: interface Vlan1 no ip address shutdown ! interface Vlan2 ip address 192.168.252.24 255.255.255.128 ip access-group PERMIT in ...
Hello Dear,My question is that Cisco Collaboration and Cisco Routing and Switching with Firewall Clusters, Service Provider (CE) exist together or separate.
Hi guys, I'm wondering why DHCP Snooping inserts the Option 82 at all ? The only thing that comes to my mind is that DHCP Relay functionality is mutually exclusive with DHCP Snooping on L3 switch. This is where DHCP Snooping comes in handy if the...
Hi Community Members,I have two switches one of which is able to send the syslogs to server, whereas one of them is having issue. I have compared the configs between two and found out that only below commands are different. My question here is does t...
ello Community,we have some issues concerning VRF and MAB that we don't understand.Our Platform is a C9500, network essential smart license.We use the Mgmt-interface gi0/0 for security reasons and a central radius server for authentication, which wor...
The new cisco 9300-uxm switch get stuck at the below screen when trying to boot up.Warning: When Cisco determines that a fault or defect can be traced tothe use of third-party transceivers installed by a customer or reseller,then, at Cisco's discreti...
Resolved! Show access control list
Hi!I want to see the access control list in the terminal of a cisco router, and all its related info (standard or extended, port, source, destination, interface,...). Does anyone knows the commands for this purpose?Thanks a lot!Ramiro Dos Santos
