I recently upgraded the IOS of a Cisco Catalyst 3650 to Fuji-16.9.4. Ever since the upgrade, the vlan keeps going up and down. This is a display of the log:*Dec 24 02:33:44.463: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1/2, ch...
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Dear Guys, I've created a tiny server with http site. Machine communicates by wifi with my ruter, which assigns it a local IP.Everything works smooth, via local IP, I can access it, no problem, site works.Now I want to access it from an internet. So ...
Resolved! Why native vlan is used
Hello everybody,I know that native Vlan is configured on Trunk links and switch does not add Vlan ID to a frame going to or coming from a native Vlan. I also know it is used for compatibility with devices which do not support Vlan tagging. My questio...
Resolved! SG112-24 Ports
I'm totally new to networking. I've just replaced a D-Link switch with a Cisco SG112-24 unmanaged switch, and I can't find detailed instructions for it. Specs say ports are 22 x 10/100/1000 + 2 x combo SFP. This switch is just used for basic networki...
Resolved! Route-map issue on Cisco Catalyst 3850
Hi all. I had a issue in Cisco Catalyst 3850. This is the diagram in my company.Internet ------------- Cisco 9300 ======2 MPLS lines======== Cisco 3850 ------------ Users In Cisco 3850:I am using route-map in 3850 to route traffic from vlan Users (vl...
What is the downside of using Cisco C9300-48T/C9300-48P stacked switches as both access and distribution switch at the same time, using the uplink module (C9300-NM-8X, “8x10G Uplink Module”)?We are deploying Cisco C9300-48T/C9300-48P stacked switches...
hi everybody!i've issue with output drops on ports of WS-X6748-GE-TXon WS-X6748-GE-TX installed daughter card WS-F6700-CFC. we will plan change of daughter card from CFC to DFC3, and if believe links https://www.cisco.com/c/en/us/products/collateral/...
Resolved! L1 Failure detection mechanism
Hi , Kindly can any one advice me about the difference between the below failure detection 1- Carrier delay 2- Debounce timer 3- Sonet / SDH APS timer Kind Regards, Tariq.E
Hi , I know that OSPF Mesh Group is mechanism which can use the reduce the amount of the flooding in a full much topology .. So any one can advice me how this will done ... I tried to googling it but i didn't found anything explain it .. Kind Regards...
Dear Guys,We are planning to provide multiple services over a single vlan. For that, our access provider is giving double tagged VLANs as per the attached diagram. They are giving via Aggregation CPE (Huawei Switch) as trunk link with double tagged v...
Resolved! Limite VLAN Bandwidth oN switch 2960
Hi Dear friend my Question isHow limite VLAN TX OR RX (bandwidth) on switch layer 2 cisco For example 2960 I used Srr queue But this is not work ! Please Help me
Hi Everyone, We are having Hybride DHCP servers(Infoblox) only for VLAN 2700 users we are not getting the IP address Note : only users who are connected from CORE - access - Users having this DHCP issue Users who connected to Disctribution - Access-...
Resolved! QoS Trust boundaries
Hi to all,i'm Fabio and i'm preparing the CCNP exam switch module.I'm studying the VoIp chapter and i'm fighting wiht the QoS Boundary Concept.I understood tha i can have three diferrent tyoe of QoS defined:-CoS for layer 2 data (Frame)-IP Precedence...
Hey guys, I've been running into an issue and wondering if anyone else has experienced the same problem. I have an ASR 9006 running IOS XR 5.3.3 in my lab and I've created a test bridge domain. Within that bridge domain, under the access circuit, I...
Resolved! Bootlooping Switch
Hello,I recently got a switch online and it must have been a clean install or upgrade(not that thats a bad thing). I did a reset from rommon and It rebooted and said it was erasing. It then started bootlooping and I had to control C to get it to stop...
