I will be upgrading the SSD firmware on Nexus 93108TC-EX Switch to MU05.00 or MC03.00 to address Field Notice: FN - 72150. In case something happens, how will I be able to downgrade it to its original firmware MU01.00 as only one firmware is availabl...
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Forum Posts
First, start-up of Cisco 2960X 24 Port Switch. Waited for almost 30 minutes but the fan keeps blowing as if it just started up. Usually, it will cycle high pitch sound, then fan noise, and go soft. Ports for POE not active, cannot log in with IP b...
Hello, During the packet capture we determine , that packets (multicast) from me_core(Campus core Switch) are flooded to all access switches trough the portchannels. What kind of multicast address is 01:00:0c:cd:cd:cd ? Do you have an idea, what ...
I have no way to model this in a Lab due to equipment; however, I understand that vlan1 is untagged traffic by default. But if you make a SVI for 'int vlan 1' on a upstream switch, is the traffic still classed as untagged on trunks on that local swit...
Resolved! 3560CX jumbo frames
I need to enable jumbo frames on some 3560CX-12PD-S compact switches running 15.2(4)E6. The documented procedure is:system mtu jumbo 9198writereloadshow system mtuSystem MTU size is 1500 bytesSystem Jumbo MTU size is 9198 bytesSystem Alternate MTU si...
I am working on a project and am so frustrated at my inability to finish it. The professor cannot respond fast enough in order to ask requisite questions to correct my errors. I would appreciate it if I could get at least one fix. All is likely to...
Resolved! Cisco 2960X Interface Config
I have a Cisco ws-c2960x-24ts-l that was part of a stack. I am needing to separate it from the stack and change the interfaces from G2/0/1 to G1/0/1. Can anyone offer some assistance? Thanks,Kevin
I have a WS-C2960X-48FPS-L 15.2(2)E9 that is ARPing for the very device connected to it. The ARP request originates from the very port the device is connected to. This is not the port just passing on an ARP request from something else. this is the...
Resolved! convergence in bgp
Hi everybody.Please consider the following scenario: R1---ibgp------R2----ebgp-------R3------network 10.0.0./8Suppose 10.0.0.0/8 goes down, R3 check its advertisement interval for ebgp peer R2. It finds It is still running, R3 waits fo...
HI all,I am working on a series of the above-mentioned units. I've encountered an early hurdle, whereby I cannot get any console response from the units. I have connected them via serial cable in the console port, but still receive no information. T...
Hello, I am attempting to change the allowed vlans (tagged) on trunk ports via SNMP and have tried to using OIDs in the CICSO-VTP-MIB but have not had any luck. I have only been able to read the VLAN configuration on each port. Is it possible to use...
Resolved! SG300 - 28P - upgrade
Hello i would like to upgrade my cisco sg300 28p with latest firmware version. currently switch is running: Firmware Version (Active Image): 1.2.7.76with boot version - 1.1.0.6i can't find latest version for that model, in addition, do i need to upg...
Hi, I have a Nexus 3064 version 6.0(2)U6(7) where I connected a L2 protected.When I have a fiber cut, provider switch automatically to backup line withouth problem. When master is going up, they cant switch to the master because flap of Nexus port i...
Hi tem, MDS 9509 switch is having two sup. Engine accordingly 5th module is Active and 6th Module is standby and it's working fine but unfortunately sup. engine failover happened without any distribution and 5th Module is standby and 6th Mo...
Hi Everyone,How do switch determine that loop is created in the network & it is required to run STP in order to recover from loop ?
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