Hello Everyone: There is problem,that is about catalyst 3850.the topoloy as below: array----c3850-----server(10.100.1.60) array connect to c3850 vlan30,and server connect to c3850 vlan 100,interface vlan 100 is server's gateway. array can ping c38...
Forum Posts
Resolved! EtherChannel trunking variations
I've noticed there's a few different ways to configure a layer 2 etherchannel trunk. I was trying to understand which method follows best practices or is more preferred.method 1: configure the physical interfaces with trunk commands (mode, encapsulat...
Resolved! OSPF Virtual Link issue
Please look my topology.Before creating OSPF Virtual Link between R1&R2 , routing table getting inter area route (circle with red color). I understood with no doubt. The table belong to R2 Router. But, After creating OSPF Virtual Link between R1&R2 ,...
Hello, I have a weird issue that when one of my Port Channel comes UP on my 3850, the entire switch freezes for a few seconds. Basically, I have a two switch stack of WS-C3850-48U and six IE-2000-4TS-G-B connected via Etherchannel on ...
Cisco 9407R stucks at --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no] switch is not connected to anything other than console. Restarted many times but it stucks at same spot.
Hello, All has settled down and it's all working, however.... On the 3750 switch we had some flapping ports on 2/0/11 last night, which were also seen on other switches. A few devices on switches 1 and 2 had to be rebooted which caused this flood/lo...
I have a WS-C3650-48TD Catalyst switch running IOS 3.06.04 configured using Flex Link. When I try to use the same configuration on a switch running IOS 16.3.7 the command is not there under the interface. see below... Is there another way or techniqu...
Hi guys,hopefully someone can help or give a hint. I have a core switch Network of 4 switches connected in a ring.SW1 and SW2 are doing hsrp and take over layer 3 functionaliltySW3 and SW4 are only layer 2 SW1 VLAN 5 10.1.1.2/24 - SW1 VLAN 6 10.1.2.2...
Hello, We're using : Cisco Nexus9000 C9372PX chassis Intel(R) Core(TM) i3- CPU @ 2.50GHz with 16402012 kB of memory. Processor Board ID SAL2002WLL2 System version: 7.0(3)I2(1a) Recently we created new vrf and even the routing is good some packets ...
Running wired 802.1x on a 3850 ver 16.3.6. We made a configuration change which caused all the phones to re-authenticate. This caused the switch stack to run at 100% CPU. All users were down... 5 to stack 200 users. We finally got the switch stack...
We have a DNCS 5.0 system in our lab, and recently all the in-=band traffic to our BFS stopped. I couldn't see anything obviously wrong, and the BFSServer could be restarted from dncsControl without a problem. But, none of our boxes were able to load...
Hello all I am trying to implement multiple LAN's for home labs using a single PC. I was thinking of purchasing a StarTech USB 3.0 to Dual Port Gigabit Ethernet Adapter that will enable me to have two additional ethernet NIC cards and from there assi...
Resolved! STP SWITCH
what are the issues when use multiple vlan in stp ?
Hello/Greetings Question for you. I have an ASR 1002-F Router. With the standard 4-Port 1GB SFP ports. Management Port and Console Port. Wondering if anyone knows or are using the Management port for something other than management. Here is my sc...
Hey guys,I got two WS-C4500X-32 in VSS mode. Show version shows me this information:ROM: 15.0(1r)SG10bootflash:cat4500e-universalk9.SPA.03.05.03.E.152-1.E3.bin Can you recommend me a new image?
