I have two Nexus 7004 switch interconnected at 10G via an Infinera DWDM system (3rd Party)Following four maintenance sessions (over last 6 months) on the 3rd Party DWDM system the link fails to re-establish at one end.The interface shows not connecte...
Forum Posts
The Cisco backbone C9500 does not recognize the new port. At this time, port up / down to update arp mac address table. Is there a case where unintended ports are up / down or the arp table is updated incorrectly?
Resolved! Read-Only User for IOS Switch
Hey !So I have a router/switch that have TACACS+ configured on it, meaning users can access it from our LDAP, in addition to this we have the local admin user which is also working. How ever when I try to create a user he is unable to log in to the s...
I have 3 access switch C9200 POE stacked and connected to 2 core switch stacked. Access and core switch are connected via LC-LC single mode fibre. However ports on both core switch 1 connected to access switch is showing up and green but the port bet...
Resolved! Firewall Instead of Router
In my company, we have a firewall instead of routers, and the firewall does everything as a router. Is it really good practice? or do we really need routers? As we know every device has its own features.. Just asking. BTW we also have multiple sites ...
Hi, can someone please advise the power consumption of nexus 7702 and nexus 5548? I tried to use cisco power calculation tool, but the result is bit confusing. for Nexus 7702, the result is total current 20 A, but the total power is 1100w, if use the...
Hello Cisco Community,I'm facing an issue while trying to configure VLANs on a Cisco Catalyst 3560 switch. I've followed the official documentation and various guides, but I'm still encountering some problems. Here's a summary of what I'm trying to a...
Resolved! Missing One Stack Power Cable
Hi, For a 4 stack Cisco 3850, would it be possible to not run the last stack power cable from 4th switch back to 1st one? We don't have a proper length of stack power cable, but able to run the rest of stack power cables between switches. Than...
I have an error when I try to use the simulation, any ideas on how to fix it.ps. I'm new to using this program.
I have several 3560CX switches running only IPv6 for management of the switch. When doing a copy running-config to tftp://IPv6_address the procedure works correctly. When doing a copy running-config to tftp://tftp_server_DNS_name the procedure fails ...
Resolved! Password reset to Nexus 93.10
I have followed these steps and every time i load the flash it does not accept the password. I don't remember what the username was or even if there was a admin userreboot switch press ctrl -] Enter the conf t commandType admin-password Ad123minType ...
Hello, I am trying to do a lab in CML for my studies in Private VLANs, and I can`t seem to make the SVI or the interface eth5/1 act as a promiscuous port. I am using a 9000v NX-OS. The community and isolated ports work fine, but they can`t reach the ...
Resolved! C3750X - POE Not working - please help
Model: Cisco WS-C3750X-48T-SIOS Software: C3750E Software (C3750E-UNIVERSALK9-M), Version 15.2(4)E10, RELEASE SOFTWARE (fc2)2 x Power Supplies: C3kx-pwr-715wac 715 Watt Show Power Inline:Module Available Used Remaining(Watts) (Watts) (Watts)------ --...
I have and SG350x 48P POE running 2.5.9.16Whenever i switch a native VLAN on a trunk port, the native VLAN becomes inactive (UI) . Seems to only be happening on POE devices that i have noticed. Typically they are the only devices where the port needs...
I am new to packet tracer so i wanted to connect a Serial DTE cable to a ISR4321 router but when i open the router in packet tracer and went to connect NIM-2T by dragging and droping onto the empty slot but it is not adding (My router power is off)Os...
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