IS there a free tool out there to discover Cisco catalyst switches on the network? I know about FindIt but it is for small business switches only.
Forum Posts
Hi community, I would like to add 2 more line cards on a existing virtual stacking switch consists of 2 9407r chassis. My question here is that I simply shutdown both 9400 chassis then add the 2 line cards and then boot them up again? Is any official...
I'm experiencing a stranger behavior in the Cat9500, on which I need to apply an ACL in the SVI interface to filter traffic from multiple networks. I have created an extended ACL and applied it in both directions (outbound and inbound) on the SVI, bu...
Hi, I just got an old WS-C2960X-48LPS-L which has the four SFP ports. Every spec sheet says they're only 1gb SFP ports but for some reason when I run sh version it lists "2 Ten Gigabit Ethernet Interfaces." I was surprised to see that and thought it ...
Is it good to have DHCP snooping configured on core switches or not. Just implementati DHCP snooping on access layer switches is fine?
Hi, Just would like to know what tool I can use to decrypt the username which use for the console vty login as the previous admin left without the password.Thanks.
Hi DearsI Active Feature Inter-VLAN and Set ip address For expmple VLAN 200 And For ward Traffic On this VLAN But by snmpand Software For Example PRTG Donnot Get Graph From this VLANin sub interface in switch 9K have this problem only get graph Physi...
Resolved! Whats this port channel error
Hi,I have seen this in device logs extende: %EC-SP-5-CANNOT_BUNDLE2: Gi2/6 is not compatible with Po5 and will be suspended (vlan mask is different) extende: %EC-SP-5-CANNOT_BUNDLE2: Gi2/7 is not compatible with Po5 and will be suspended (vlan mask i...
Hello.I have a question about one problem that I have in the production environment, The Switch has the below configuration:spanning-tree mode mstspanning-tree mst 0-1 priority 12288spanning-tree mst configurationname Instancia1qinstance 1 vlan 1-5,7...
I am not sure if my VOIP vendor steered me in the right direction. I am not using Cisco phones, but a workstation is connected downstream of the phone; however, the vendor told us to use the following settings on interfaces !global mls qos map cos-...
Resolved! DHCP Snooping
Scenerio:As part of a tech refresh project at a large campus and due to several issues caused by (l)users plugging in home routers to the network and causing DHCP issues I am looking to enable DHCP snooping. During the tech refresh the access switche...
Hello there, I am trying to uplink two switches to extend a network. I have put in a cisco 3850 Switch and when I plug in a SG350TP switch the port lights up for a couple of seconds then the port becomes unavailable. I can't even plug a laptop into...
I have two switches, that are connected via a port channel, two 1Gb ports, in trunk mode.I have them set to only allow VLAN 66 traffic over the port channel. This is set in the port channel.on each side, I have a switch attached, and then a firewall...
Resolved! STP Interface Prio.Nbr question
Hello Cisco Community!Need to verify:Two firewalls, one active and one passive, are connected to two physical ports on the core switch.Both ports are access ports and are assigned to VLAN 4.The inquiry is:One port (Te2/2/1) passing no traffic at all,...
Just upgraded several of our C9200L-48T-4Xs to 17.9.4 after finding a bug in the 17.9.3 code. While the upgrade was successful, a couple are showing significantly different free space after the upgrade(less than 1gb). gar-2-118-3r15-sw#dirDirectory o...
