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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

I'm having a bit of mare advertising some routes from one 3750 L3 Switch to another 3750 using OSPF.Both routers below are linked together via 6 foot Cat 6 cable. This interswitch connectivity uses 802.1q trunking. Local routing is fine.Router 1netwo...

Does anyone know what "throttles" mean on 10 interface stats. Is it a issue, whats causing this.Thanks.TenGigabitEthernet1/1 is up, line protocol is up (connected) Hardware is C6k 10000Mb 802.3, address is 0015.c746.4800 (bia 0015.c746.4800) Descr...

Hi,I am trying to locate a matrix which detsils the amount of Ingress policers and egress shapers on all of the catalyst switches. I have a strange feeling that this is not available so in teh absense could someone confirm if teh below is correct.the...

I am currently using a dual core setup with HSRP between two 6509 switches. When Core A goes down everything fails over to Core B quite gracefully. When Core A comes back online my Edge and WAN switch loses all of its EIGRP routes with the Core rou...

jbanker by Level 1
  • 3410 Views
  • 11 replies
  • 0 Helpful votes

Hi all, I have a cisco sb108 dsl router, I copied the config from another router, then I pasted the text file back into the same router, and it will not take the config, It comes up with lots of error detected in ^ markers. Why is this as its the sa...

Home office:3750 switch - 10.0.0.1 / 255.0.0.0default gateway for the 10.0.0.0 network(2) Vlans, 30 for IP phones and 110 for workstations.Pix 515E firewall - 10.0.0.10 / 255.0.0.0Remote office:Pix 506 firewall - 10.20.1.1 / 255.255.255.0There is a v...

jpullo by Level 1
  • 819 Views
  • 7 replies
  • 0 Helpful votes

I'm having trouble with clients getting the wrong DHCP addresses. It is isolated to one location. The problem is that clients on VLAN 3 are getting addresses for clients on VLAN 1. Now it is not all clients and it is not every time. Sometimes they wi...

I have one problem regarding WS-C6513 switch using CatOS command. I notice that the ports connect from the user to the module ports will keep on shutdown for no reason. The worse part is i have to unshut the port one by one. It really waste a lof of ...

I've managed to get the 2811 router T1 and associated serials up and running and I have the 2960G switch up and running. I connect a PC to the switch port of choice and recieve the proper IP/Subnet Mask/Default Gateway/and all DNS information. Howeve...

gmaier by Level 1
  • 642 Views
  • 3 replies
  • 0 Helpful votes

I have a network of 4 switches in a ring config, 3 2955 and 1 2950. They have a few different versions of IOS, 12.1(19)EA1c to 12.1(22)EA1. I have RSTP enabled on all switches with default RSTP settings. The backbone ports are set:interface FastEt...

I am responsible for several LANs that include sharing WCs with other organisations, and therefore access to my 3750 switches in unlocked cabinets.I have no port security enabled and the ports are not shut down.I would like to know the security impli...

Resolved! GBICs on a 4506

We have mulitmode fiber in our building. When shipped the 4506 had WS-G5486 fiber modules which did not work. I had a spare WS-G5484 handy and plugged it in and it seems to work. Is the G5484 the correct module or is it not optimized for the 4506?tha...

I am trying to establish OSPF between two Cisco routers and an HA configured pair of Checkpoint firewalls the reside on the same LAN segment. The two routers form a good adjacency, but the routers will not form an adjacency to the Checkpoints. The ...

jfarrer by Level 1
  • 12010 Views
  • 4 replies
  • 0 Helpful votes