Hi everyone, I have encountered a strange problem - maybe someone here has an idea on how to troubleshoot this. My network layout looks like this: | Ubiquiti 24P unmanaged switch| ...
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I built a stack of two C9300-24T switches yesterday to replace a pair of Catalyst 3560X's. Very simple cut-&-paste configuration with some HSRP IPv4 addresses being removed and the HSRP VIP's added as the physical addresses.About an hour after the s...
HiSome querieson the newer switch eg C9300 the management port are peg to vrf, so the routing table separates. for the old model like 2960X the management port isnt peg to VRF so they are sharing the same route table since there is no vrf So if were ...
While I have used monitor sessions for years in production for deep packet inspection for IDS/IPS, packet capture and network analysis recently a some potential clients have been told by Cisco support that SPAN is not a tool for this application. I ...
Hi all, sorry for this question but I am still studying it but I have small project of network in Cisco Packet Tracer with main switch and three other switches for each of departments in company. I want to create in main Switch0 3 VLANS: VLAN20, VLAN...
I'm connecting an interface off of a firewall onto port 41 of a 2960x running 15.0(2)EX5 with a very generic configuration: interface GigabitEthernet0/41switchport access vlan 200switchport mode access When I issue a "show mac address-t int gi 0/41" ...
Currently using this command power inline port 2x-mode on a 2960x switches to fix the PoE problem for some of PoE devices that suddenly draws more power when activated at random intervals. However just replaced a 2960x switch with a 9200L switch and ...
We have a power off activity on next week, so they are going to off the power completely 1day for some work.at the moment i have these below listed devices , how to secure them please help. if they off the power suddenly what will happen ? or before...
Looking in the datasheet and other documents, i cannot find the 802.3bm standard that should be supported for the Catalyst C9606R. Could you confirm that is supported? Regards
Device : SG300-28 28-Port Gigabit Managed SwitchSW version 1.4.11.5 ( date 08-Apr-2020 time 13:49:34 )Boot version 1.3.5.06 ( date 21-Jul-2013 time 15:12:10 )HW version V03 Switch port is getting UP/Down which connected to AP, I am confused that it ...
hello,I have a Cisco Nexus 9000 sh environment temperatureTemperature:--------------------------------------------------------------------Module Sensor MajorThresh MinorThres CurTemp Status (Celsius) (Celsius) (Celsius...
Hi All. Just wanna if this switch is able to perform Rj45 to fibre conversion? recently i plugged Rj45 cable(From internal Firewall) --> switchport gi1/0/24 via Cisco GLC-TE 10/100/1000BaseTX SFP, however it only show the port is up and running, anyw...
I recently got to test the new fast reload feature of 17.x.x on the 9300L. Working at a 24/7/365 operation, minimizing downtime is critical. One caveat to this feature seems to be the inability to schedule a reload. In 16.x.x and before I would usere...
Cisco's QoS and Queuing white paper has buffer allocations for several cat models listed in Table 3 in "buffer units". I am interested in the size of a buffer unit in bytes for the UADP 3.0 ASIC. I am assuming that buffer units are related to buffer...
I was practicing on the L3 switch in packet tracer just for test I shutdown on the port it was ok everything but when I "no shutdown" on that port all members was restarting and also have downtime for some seconds as pics below, So any way for bette...
