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We receive such log in 2960 X switch. Find attach switch configuration and image version..Feb 8 15:35:10: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan5, changed state to down.Feb 8 15:35:10: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vla...

rsthakur by Level 1
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  • 58 replies
  • 0 Helpful votes

In a single subnet total 10 2960-x switch install when I put new 2960-s series switch then in s series switch and x series(switch provide uplink to s series) IP telephone not working(It’s show verify your network connection) but data vlan working fin...

rsthakur by Level 1
  • 7358 Views
  • 12 replies
  • 0 Helpful votes

Resolved! VTP Issue

I have a topology with a couple switches separated by a few routers, working within a practice lab in Web-UI of GNS3.On both switches, I configured the interfaces leading to the routers as trunk ports using dot1Q encapsulation. I also set both to the...

Could someone please help me spec a switch with the following features?- Protocols: TCP/IP, EtherNet/IP, DHCP, BOOTP , IGMP, SMTP, STP, RSTP,MSTP, PVST+, VTP, SNMP, NTP- 48 ports (2 multimode Gb fiber ports)- 36 devices need 10/100 speed (RJ45 connec...

lres by Level 1
  • 681 Views
  • 2 replies
  • 5 Helpful votes

Hello,I want to create CCNA home lab. For the first time I bought 1841 router:------------------------------------------------------------Cisco IOS Software, 1841 Software (C1841-ADVSECURITYK9-M), Version 15.1(3)T2, RE LEASE SOFTWARE (fc1)Technical S...

dnko by Level 1
  • 575 Views
  • 0 replies
  • 0 Helpful votes

Resolved! mixed stp version

Hi,I will lunch a bunch of SG series switches to my fabric.These switches have rapid stp enabled by default.In the same fabric i have a couple of older catalysts which support only pvst and rapid pvst.sg350 has option for pvst and rapid pvst, but bac...

akanarya by Level 1
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  • 7 replies
  • 0 Helpful votes

I posted a previous discussion in another community regarding a few requirements to make my Cisco C921-4P router/switch. Someone explained to me that some commands may not work with this platform. specifically the ones below.  Disable Gratuitous ARPD...

Hi,Got servers in vlan 10 ip range 10.0.0.0 and servers in vlan 20 ip range 20.0.0.0 at the same layer 3 switch. (c6509 sup720)I would like to block TCP traffic initiated from Vlan 20 to Vlan 10.But the servers in Vlan 10 needs to be able to open an ...

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