Having connectivity issue with the switch and sfp. Weird thing is switch is recognizing the SFP as full 1000 1000BaseLX SFP and not 10G TX see below. Has anyone seen this?Twe1/0/2 ** USER/VOIP ** notconnect 115 ...
Forum Posts
Hello,I have a problem that is difficult to solve;I have set up a voice vlan, but the phones get IP, but do not get the gateway;The phone is on port 1/0/13;vlan 222name VOICEinterface GigabitEthernet1/0/13switchport mode accessswitchport voice vlan 2...
Cannot delete the data.bin file that resides in the Crashinfo directory Catalyst 4500 We are getting rid of some C4500's and I am clearing all configurations from the switch, but I cannot figure out how to delete the DATA and the DATA.BIN f...
Hi, We are planning to implement a core switch stack and firewall stack. Switches would be C9300 and firewall would be Sophos. Firewall is in Active Passive mode and switches will be stacked. I just want to what kind of uplink connectivity we need ...
We are experiencing intermittent performance issues for switch model# C9300X-24Y while using 1 gig copper GBIC# GLC-TE in conjunction with Fortinet 60 E model, Whenever the switch is being rebooted due to some planned maintenance, We are seeing packe...
Resolved! C9300-48 - 25 & 40gig ports
Why do I see 2x25 & 2x40 gig ports on 9300-48P switch if there is only one NM installed, which is C9300-NM-8X (8x10gig ports)GigabitEthenet1/1/2 unassigned YES unset down down GigabitEthernet1/1/3 unassigned YES unset down down GigabitEthernet1/1/4 u...
HelloWhen doing maintenance we had an unexpected outage due to HSRP moving from Active to Init when ONE interface in a port-channel went up after being down for some time:063116: Mar 25 09:08:09.343 CET: %LINEPROTO-SW1-5-UPDOWN: Line protocol on Inte...
Hi everyone, I have a question. Is it possible to monitoring traffic of cisco switch with netflow. Now I can monitoring routers but it doesn't w
Why not working sfp on Cisco 3750 switch
Hello all Techs, Just wanted some quick advice in configuring a Cisco Catalyst 2960-S Switch, If anyone can please advise me How to configure the following; I want to assign the a range of IP addresses (For e.g. 10 IP addresses, for argument...
Resolved! Uptime of Switches
hi guys..I want to know the history of power reboot of switch. Is there is any command to see how many & When its lastly rebooted details Thanks in Advance..Naveen...
Hi all,I have question need to confirmation.We will do migration for vCenter from different to another vlan ie VLAN 130 to VLAN 1020.I advised my team we need a L3 switch or L3 interface to perform this migration which is we already have Nexus switch...
I want to set up a VLAN 20 (172.16.20.0 /24) to have internet (which it does) but not be able to reach any of the other VLANs on the switch. However, I want the other VLANs on the switch to be able to reach it (say VLAN 26 at 10.1.26.0 /24 and VLAN 2...
Hi, So "l2protocol tunnel" change the destination MAC for the L2CP to 01-00-0c-cd-cd-d0, is it possible to change this address?Would like to tunnel it using another MAC address as we have some "conflicts".I have an ASR920, looks like in the manuals t...
Hello Team, Please I need your help I have a Cisco WS-C3850-24XS-S switch with very low speed data rate this is between 2 hosts in the same VLAN or Layer 2 DomainPlease assist
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