Please anyone explain for me what is this command for ?thank you
Forum Posts
Hi, I recently experienced some issue to establish 100G connectivity between Fortigate 6301F and Cisco Nexus 93180 switch. I tried Cisco Direct-Attached-Cable (DAC) as well as SR4 transceivers. Interface was in "notconnected" state. I found root caus...
Resolved! MAC learning & L3 issue
Hi there,Thanks for reading! I have a Mitel PBX box direct connected to a C9200L. The issue is the Mitel's mgmt IP is unreachable; doesn't ping-reply even from the switch. Vlan 200 exists on the switch. The trunk allows vlan 200. The switch is le...
I'm downloaded stencil Catalyst 9000 from Cisco. But I'm not found 9404R front and rear view.Could share stencil to me ? If you have I'm apologize for English skill.
Resolved! Cisco 9300 vlan question
Hi all! I hope this isn't a stupid question. Here goes: I created a "management" interface vlan on 9300 switch, gave it an IP address and assigned a gatewayThat vlan is temporarily assigned to port gi1/0/48gi1/0/48 is switchport trunk allowed vlan al...
Hi ,I have the 9200L-24P fix switch.I would like to know if i want to do stacking 9200L , do I need to buy STACK-T4-50CM ? or do we need to buy C9200L-STACK-KIT ?
1- Currently we have two switches with same IOS. Do we only require to connect both switches physically thru stack cable ? or we need to configure both switches too on IOS ? 2- Do both switches work as a single logical switch and load will be distrib...
Resolved! TCAM Utilization Issue
I have a Cisco WS-C3750G-24TS switch that is experiencing TCAM utilization issues, which in turn throttles the CPU, and the entire switch bogs down. I'm running dual IPv4/IPv6 and have already changed the SDM template to "desktop IPv4 and IPv6 routin...
Hello When I tried booted with the new IOS. Still it's stuck here, see below. Switch Ports Model SW Version SW Image------ ----- ----- ---------- ----------* 1 26 WS-C3560-24PS 15.0(1)SE3 C3560-IPBASEK9-M------ ----- ----- ---------- ----------------...
Hi All,Recently, the Cisco 9000 series switch is displaying logs below and has caused the interface to be suspended.The issue only affects up-links with SFP-10/25GBase-CSR modules which are patched via Multi-mode OM3 Fiber cabling with distances rang...
Hi, I have the following setup in my test environment, to do a pcap of all the traffic. When I turned on switchport monitor on the L2 leased line (interface PortChannel 7) the pcap collection works but all other traffic that is going via this link st...
Which model is the best for access layer switches.apart from catalyst 2960.shld have support from Cisco for atleast 3 years.plz guide me
Hi, I made a typo an the active switch in a 9200 stack, entered enable secret 0 and gpt locked outI didnt save the config If i restart the active switch, what will happen to the running config, will the standby switch take it or will it use the start...
Resolved! Packets dropped on port-channel c9300
Hi guys, I have a scenario in the data centre where I have catalyst c9300 connected to the firewall. Two ports on c9300 are on port-channel LACP active mode where the ports on the firewall are LACP passive. I am seeing packets dropped on one of the s...
I have a Switch 2960X-48LPS-L v1, which is not booting, I have entered in the ROMMON modality, I have a flash format:, I have loaded several versions of iOS and when IOS starts I get the following error. switch: boot flash:c2960x-universalk9-mz.152-7...
