I am trying to upgrade my 9407R switch from version [Gilbraltar]16.12.03a to [Cupertino]17.9.5. However, my switch is dual-SUP. I'd like to synchronize the SUPs before upgrading, in order for both SUPs to hopefully cooperate more effectively. Could I...
We have Cisco 4500-X 32SFP with IOS-XE 03.11.11.E as aggregation switch in small ISP setup for broadband and IPTV services.
At customers side we experience picture freezing for 1-2 seconds (no pixelation). Sound is uninterrupted. TS Reader shows incr...
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/47, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/47, changed state to down
%LINK-3-UPDOWN: Interface GigabitEthernet3/0/5, changed state to u...
The basic oddity is that when I run show ntp status or show clock the time is 10 hours off, but some switches that sync with it are correct. Is this a display bug of some sort where it shows the wrong time, but is actually right?I have a 3850 and a 3...
Hi @All I've got controller with dual port, who acts like an unmanaged switch, they are visible if they are in access mode. they want to connect each port of my controller to two different switches c9300-24t on the same vlan. I have to use RSTP. All ...
Dear Cisco Community ,Kindly help , I'm seeing high CPU utilization and as per the stats it shows its caused by 802.1x .
Pls find attached logs and advice on what is the best solution to counter this
CPU utilization for five seconds: 97%/6%; one minu...
I have an issue with the port-channel between c1200 and 9300. I have Vlan 1 , 10 , 70 , 50, but I can access Vlan 1 only.I tested between c1200 and 3750, and I found the same issue.I tested between c1200 and 2960x. It is normally used.Is it possibl...
If there is a new cisco switch, other than referring the datasheet of the switch how do i know the speed capacity for the sfp port switch before connecting the sfp transceiver module? From the cli how to check it ?Is there any command for it?
Hi,I have a stack of c9300s with local DHCP server enabled on it. Here is the DHCP config:ip dhcp excluded-address 192.168.4.1 192.168.4.255!ip dhcp pool 192.168.4.0network 192.168.4.0 255.255.254.0default-router 192.168.4.201
Server works fine with ...
If I connect a cable between 2 ports on the same switch loop will come, if so how to avoid the loop even if it is done by mistake?Any particular commands to avoid this issue for future?
Hello,I've noticed on a few remote switches we are getting: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet1/0/1 (10), with switch1. GigabitEthernet1/0/13 (81). Port Config: interface GigabitEthernet1/0/1
description C...
Hi, Please be patient and understand this is not a conventional enterprise setup. My skill set is probably half way CCNA.We have a large scale audio video system (massive multi-way divisible conference room) with Crestron NVX multicast video traffic ...
