I am replacing a old 3750 with a new 3850, I have several SFP's of different variety in the old 3750. How can I verify that these SFP's will work in my new switch BEFORE I do the replacement?
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Resolved! The procedure to install license
Hi, I haven't installed any license on router, switch, and fw before and always wanted to know the steps to install it... Would you please provide me how to install the license from A to Z? How can I get the license first of all? Thank you in adv...
I want the switch asks for the Mangement Password Prior entering. When i TElnet the switch it says Switch>I want it asks for a password prior saying that commandAttached the configs.. I would like to use the Vty line con 0line vty 0 4password Cisco...
Resolved! PTP on Cat9300
Hello:The datasheet indicates that PTP is supported on the Cat9300Precision Time Protocol (PTP; IEEE 1588v2) provides accurate clock synchronization with sub-microsecond accuracy making it suitable for distribution and synchronization of time and fr...
A 6500 computer restarted unexpectedly and with the Show version command it returns the following:System returned to ROM by power cycle at 19:20:01 UTC Wed May 31 2017 (SP by power on)System restarted at 10:11:39 MEXICO Thu Aug 27 2020Last reset from...
We have this error in a couple 4948E switch (running on 12.2) logs, and wondering what the problem and solution might be. The fiber link has no problems with traffic etc. From reading what little articles are available, some people fixed with repla...
Hello,I have two Nexus switches in a lab environment with a vPC configured, the down stream is connected to another switch (vPC) and the up stream is connected to firewalls working in active-standby mode with OSPF configured with vPC peer switches.Th...
Hi communityJust a minutes ago happens to me a problem with a configuration between a HP an Catalyst9300between both switchs there are a trunk/etherchannel that configuration was working without problems since april, also was the same used with our o...
Hi everyone, I have single 6506 chassis with two supervisor engineers (WS-X6K-SUP2-2GE ). Post power shutdown one of the engine is not appearing in inventory.Below is the console output CoreSwitch> (enable) session 15Module 15 is not installed.CoreS...
I've got a strange behavior on a c3850. We use VLAN 381 as transfer vlan. After the changing the core switches, this vlan doesn't work any more. The output of "sh int trunk":Port Mode Encapsulation Status Native vlan Gi1/0/...
This is 1 part of a big conf of only LAN.Below I kinda want to get OK if done right, totally wrong or missed something in the conf. 5 Hosts = 5 VLANs/Ports (mode access)1 host per VLAN/PortInterface 1 = VLAN 1 = IP x.x.10.10/24Interface 2 = VLAN 2 = ...
The network diagram is as follows:User PC 161.6.9.25 <---> Switch 172.30.x.x/23 <---> Router with multiple interfaces, 1x interface is configured with IP 161.6.x.x network and there's an IP route routing all 161.6.0.0/16 to this interface. User PC c...
Hi All,We are getting a alert for access point Radio Core Dump. Not sure what exactly it is.Upon checking AP remains up and stable. Uptime is high .(Checked in Prime and WLC)Can someone please explain why we are seeing this alert frequently.Any troub...
Hello guys. I am working on a switch migration from an old ZTE distribution to new Cisco C9500 switch and since my existing core switch is Cisco switch (which is stack wised), I wanted to connect the new distribution switch and the VSL core switches...
All 15 switches in use at the factory were reset yesterday. Netgear switch and l3 switch are OK.Do you know why only sg220 model is initialized? It is initialized when the power is turned off.
