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Forum Posts
Hello, I have 802.1x configured as follows:Yesterday we had about 15 PCs generate 'err-disable' on the 802.1x switchports.I suspect this was due the PC's Dell docking stations having had a firmware upgradeMy theorty is that this caused the docking st...
Hi Since a while I can't access my switch anymore via the GUI. It is stuck at 40-50%.I did update the firmware to image_tesla_cbs350_hybrid_2.5.7.85 but that didn't change anything.I can connect to the switch via telnet.Latest months I could access t...
Resolved! 3850 License upgrade to IP services
I have what I hope is a simple question. I need to upgrade my 3850's to IP Services, from IP Base. The license sku that is listed in some Cisco documentation to do this is L-C3850-24-S-E but when I enter that sku in the Cisco commerce site nothing co...
Hello,I am looking for some clarification on stack wising 4 Cisco switches (C9500-40X-A). The initial solution had only 2 switches to stackwise in two different buildings (one pair in each building), now the customer is asking to stackwise all the 4...
I have a Cisco 2690L-SM cannot connect communicate via default gateway.I am used to command line, which is severely limited so via the gui I set the ip to the vlan 10.10.120.5 and set default gateway to 10.10.120.2 trunked a port to another cisco swi...
does longest match routing works in IPv6 ??
Do the Nexus 3132Q-XL and Nexus 3064-X support running time-domain reflectometer (TDR) tests on copper and/or optical interfaces?The previous Cisco products we used in our configuration (Catalyst 6509 and 3750X) did.Does CISCO have a definitive guide...
Hi there, I would like to know if is possible put in stack a C9200L 24 ports and C9200L 48 ports? same model but different amount of ports.
Hi guys, Please we need some one to help me, i cant reach or ping to time attendance device from our vlan, my vlan ID is 10 and TA device Vlan ID 50, i can ping from some devices but from Vlan 70 i cant, otherwise from other PC i can ping normally, n...
Resolved! IP SLA Reroute Question
I have an IP SLA, Setup to reroute my traffic from Site A to an alternative location (Site B) if pings to my ISP fail for 30 seconds. My question is: In my situation where I was tracking an ICMP Echo reply from our ISP, I ran into a rather rare sit...
Resolved! PCs Cannot Ping Default Gateways
Hi all, I have a network that has 1 router, 3 switches, and 3 PCs, as per the photo attached. My issue is that I have my PC-A that can ping the default gateway. that is a sub interface on the router. Whenever I ping another PC's IP address, it gets t...
Hey All, New to the commmunity! I've been searching around for ideas on how best to trouble shoot this. We recently upgraded our switch to the new IOS and it was working fine for several days, but since last week vlan1 goes administratevely down at ...
Hi!I have a case where I'd like to place an outer tag (with selective QinQ) on a range of vlan's, with several different outer tags, on the same interface:Something like this:switchport vlan mapping 8,75-76 dot1q-tunnel 100switchport vlan mapping 8,7...
Hello,i have 3x 10G uplink from 3x different ip transits and i have full bgp table from all of them, i want to use Cisco 6504E +VS-S2T-10G-XL so i have some questions :1) i have around 2g bps and during attacks 3-4m pps , is it ok for this switch ?2)...
Hi, We see a problem with our 9300-48T switches. Client devices mostly use intel NIC's (I219-V for example). Links are 1Gbit Full duplex, autonegotiate. When a client copies data from network share A to local disk he gets steady 1Gbit download ...
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