Hello, What I need help with is: Activating the SFP Module within the Cisco 2921 rack router unit. My company recently upgraded the internet from 100Mbps to a 1Gb speed and we need to utilize the SFP Module port on this unit. Our Internet provider in...
Forum Posts
Hi, Is cisco website down today? I try to download IOS and ASA not no luck https://software.cisco.com/download/home/286313394/type/286271056/release/6.6.4 An error occurred while processing your request.Reference #30.7ca83617.1644252184.67daa70 I tri...
Hello everyone! We have a subnet, described on the picture, what contents a main Layer 3 Cisco switch, what have a Gateway of Vlan 10 on it, and 5 Layer 2 switches with the same only vlan 10 (its vlan interfaces is vlan 10 too). Each of these 5 switc...
Resolved! Cisco 9300L macsec config
I want to config macsec between two 9300L, but when i started to config i noticed:they don't have this command9300_stack#show run interface gig 1/0/1interface GigabitEthernet1/0/1description MACSEC_manual_3850-2-gi1/0/1switchport access vlan 10switch...
Hello Team,One interview question, There are 4 routers- R1, R2, R3 and R4 Connected as per below diagramQuestions:- How 1.1.1.1 network reached to R3 and need to make sure 1.1.1.1 network reached through R4 if R3 will get down.[As a backup path]How 2...
Hello All, I faced some issues with c9200 series switches where the users remained connected via LAN directly to the switch and all of a sudden the connected port stopped working with no LED status. When I did the admin shut and no shut that particul...
I have a new C9200L at a remote site, there are also C2960-48 and C1111-4P from the equipment, all this without AUX ports, earlier with other devices I just set a static ip on the router port and did NAT, but this does not work with the C9200L , teln...
HI , when we connect PC to Router in order to get IP ( Router is DHCP server ) , I did wireshark I realize that all DHCP MSG ( DORA ) is BROADCAST so all will be Dest IP is 255.255 and dest MAC is 255.255 , right or wrong ?now after PC GOT IP so if i...
Hi, I have a question about BPDU configuration, in my switch's the configuration is like above;0 GigabitEthernet2/0/9 DESI FORWARDING BPDU0 GigabitEthernet2/0/10 DESI FORWARDING BPDU0 GigabitEthernet2/0/19 DESI FORWARDING BPDU0 GigabitEthernet2/0/20 ...
Hello and thanks in advance for looking over my post. I had some massive issues with my pfsense server and an older 10gig cisco 2960 interface..MASSIVE amount of CRC errors and they were connected with DAK cables that were new. Replaced them and issu...
Hello Team,One of interviewers asked me a question regarding switching [attached scenario]We need to load balance between both links without using Etherchannel.SW1 and Sw2 are connected B2B with 2 links. Scenario 1: Both are access linksScenario 2: B...
So i have an idea for a network i am working on doing in the next few months for an event. In the past I have honestly not had the funds to get new or high end network gear and I've been getting by with Ubiquiti Edge routers and Mikrotik switches run...
Resolved! Troubling getting NAT to work.
So I currently have 2 sites, that can ping perfectly within their own sites. I'm trying to get dynamic NAT working, but I still cant ping across the WANs, but the WANs can ping one another. I've tried many different ways of trying to do it but I cann...
Hello everybody,In the attachment you'll find a very small network: PC-A <---> switch <---> router <---> PC-B.When using IPv4 everything can ping everything (PC's, switch, router). Using IPv6 GUA adresses everything can ping eachother, except PC-B is...
Resolved! Stacked Switch Serial Numbers
Hi,If i run show license udi command on a Stacked switches it shows me the SN of Master switc only. May i know the command to see the SNs of other stacked switches in that stack from CLI. Regards,KALEEM
