I have a switch 3750 x with SFP port, connects with fiber to switch siemens, it is works at 1G, but when after power failure, communication does not work, I do to unplug and plug SFP for the communication is established. with other perifequieques it ...
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Forum Posts
Hi ,I have problem with my Cisco 2950 switch .I see this error in syslog server every 8 seconds:CMP-5-NBR_UPD_SIZE_TOO_BIG: Number of neighbors in neighbor update is 128, maximum number of neighbors allowed in neighbor update is 108But i don't hav...
Resolved! Packet Tracer in the exam
Greetings. I am going to get into the CCNET exam soon and I was wondering if the packet tracer in the exam is the same as the one that we use in Windows Operating systems.
I'm working on updating IOS on a few switches, and am running into the following issue: Switch#archive download-sw /overwrite /imageonly /no-version-check /destination-system 1 tftp://10.1.1.1/c3750-ipbaselmk9-tar.122-55.SE10.tar Could not buffer tar...
Hello, I have a WS-C3750G-48TS-S in stack mode and I am experiencing the following situation:When is put a new device like a printer in the 3750, for example, in the same network is able to reach the device through ping but out of the local network ...
Resolved! Peculiar ping problem
I have three routers, connected in series, as shown in the attached picture: R3->R2->R1->Mintbox(emulated pc)All routers have eigrp configured, all routes advertised.The problem is, I can't ping the pc from either R3 or R2. However, pc can ping all o...
Hi,I've got a few SG300-52 small business switches running software version 1.3.0.62 which I configured for ssh management access with public key authentication via:ip ssh serverip ssh pubkey-auth auto-loginusername mgmt password ... privilege 15cryp...
I have been tasked with establishing communications from my Cisco 4510 R+E core switch via a new fiber run (MM, OM3, 945ft) to Cisco 2960X switch. I'm using pairs of new Cisco SPF-10G-SR's on either end of the fiber. Before deploying the remote 2960...
Hi - I'm trying to work out if I can use the CSR for a specific requirement - see attached diagramI have one requirement where a tenant router on one side of the cloud needs L2 adjacency to another tenant router on the other side of the cloud (both i...
Hi all, Client installed a single mode fibre run from Distribution Switch to Access switch. The distance is not even greater than 100 Metres but the client insisted since the fibre is free.On the Cisco Catalyst 2960X-24TS-L (Access layer not stacked)...
What does this mean? I just upgraded a switch with ipservices to use layer 3 and now I'm getting this error in the logs? What should I do? %PLATFORM_UCAST-4-PREFIX: One or more, more specific prefixes could not be programmed into TCAM and are bei...
Resolved! VLAN Help
Hi Everyone, I am trying to configure a setup so that my Mitel i.p phone will connect to Vlan 11 and then Be able to connect my laptop in the pass through port mon the back of the i.p phone and connect to Vlan 10, I will explain a little more below.R...
Resolved! IOS Upgrade
Hello all, I am trying to upgrade 2 switches and router. one of the switches is a 48 port 2960-S and the other switch is a 24 port 2960-S . They seem to have a different amount memory installed and I was wondering if I should upgrade the memory in...
Greetings; I am currently designing a VSS redundancy for a network with two switches 4507 and everything has gone well but I have a doubt, the power supplies must be identical to perfom the redundancy? I am aware that both supervisors and connection ...
Hi All, usually we send multicast streaming through router. If we just send multicast within one same lan, how can we control the traffic ? Any one can give some suggestion or link? Thank you
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