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Cisco student needs help please???

Hi guys,Iam in year one ccna and for my first assignment I have to design a network with:3 departments each in there own subnet salesX50 hosts, WarehouseX30 hosts and AdminX20 hosts.There is a lot of other stuff i have to do for the assignment but I'...

Resolved! Preferred Placement of Root Bridge

I'm running HSRP on H1 and H2, tracking the interfaces to the routers and between H1 & H2 Trunk link. I'm routing between R1, R2, H1 and H2's connections. I've been getting mixed reviews on the placement of the Root Bridge. I feel that the placemen...

s.marino by • Level 1
  • 979 Views
  • 9 replies
  • 0 Helpful votes

NonPOE device requesting POE?

Hi,I'm having an issue with a Catalyst 3648 POE switch and a motorola wifi antenna. Essentially my logs get flooded with the errors below and eventually the switch shuts down the port because of flapping.From what i can tell the device is not POE co...

thanmad by • Level 1
  • 1788 Views
  • 3 replies
  • 0 Helpful votes

Multihoming Microsoft NLB servers

HelloWe're in the process of multihoming our HP Enclosures. I've attached diagrams of the current and proposed network/server setup. Initially we configured HSRP so that the server VLAN 100 gateway could float between the 4507 and the 6509. Redundant...

interface continues to go up / down

I have a question concerning a Cat 3750.Presently, I have a couple VLAN's configured on this LAN switch. We only have 1 user on the switch (planned for many more). I have the following VLAN's configured: VLAN 200 managmentVLAN 201 User VLANI have...

Resolved! Inter VLAN Routing Help Needed

I'm attemtping to setup a small lab.I have one 3550 SMII have several VLANs defined, see config below. I have a DHCP server - 10.10.10.2And a route to the rest of the network via 192.168.0.90.From the switch, I can ping the VLAN interfaces (as long ...

Duplicate ACKs when Sniffing a Spanned VLAN

I remember reading once that if you span a VLAN (instead of a port) you are likely to get duplicate ACKs and other problems when taking a sniffer trace (either WireShark or SnifferPro, doesn't matter). Cisco has an explanation of that problem - does...

Layer 3: Switching

I'm proposing the following layer 3 LAN topology. All connection link will be point to point routed ports (L3). EIGRP routing will run between all LAN switches using a /30 subnet mask. The problem is the customer want to dual home all servers (AD & I...

colmgrier by • Level 1
  • 462 Views
  • 2 replies
  • 0 Helpful votes

Resolved! Cat 4500 series product question

hi i would like to ask what the total bandwidth performance means for a supervisor engine . For example II plus 10 GE engine support 108Gbps , is this the total bandwidth that can aggregate for a lan ?thanks

bkoum by • Level 1
  • 1319 Views
  • 10 replies
  • 0 Helpful votes

Resolved! QoS issue

Dear all,i have an issue here which gives me a lot of headakes.We have one Catlayst 6509 and one 6506. This two are linked over a 10Mbit/fdx WAN connection.In both locations we have a Codian Lifesize Videoconference System. This systems are marking t...

QoS for UDP traffic

Hi all,my problem refers to UDP traffic: in an ICT lab two servers (named A and B) are connected on the same VLAN.In particular: -server A receives UDP traffic from cameras installed outside the lab-server A then forward this traffic to server B whic...

ARP cache update

I have two 6500 switches that connect to two load balancers in active/standby mode. When the load balancers fail over the arp cache of one particular vlan on the switches does not update and will not update without manually clearing the arp. All othe...

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