0
votes
1answer
46 views

Network flow path using spanning tree protocol

I have two machines, A and B, connected via switch S1(master) and s2(slave). I want to measure latency and identify packet flow path from machine A to Switch,switch to machine B. If the link between ...
1
vote
2answers
182 views

Spanning Tree Necessary With 2 Stacked Dell Managed Switches?

I have a PowerConnect 6248 and 6224P stacked with the 6248 acting as the managing switch. They're connected using the 48Gbps stacking module with 2 cables running between the switches. Do I need to ...
5
votes
3answers
911 views

Best way to provide redundant switching/links to server

We have 3x ESX hosts and 2x SANS that we wish to move to a redundant 10G networking infrastructure. We have 4x Dell PowerConnect 8024F's to provide our backbone and are configured as so (only core ...
1
vote
0answers
220 views

MSTP unresponsive to topology change between HP 5412 zl and HP 5406 zl

As title says, having some trouble with MSTP configuration. I have an HP 5412 zl and an HP 5406 zl essentially connected with 2 cables between then , one link being primary (P) and second being ...
1
vote
2answers
3k views

spanning tree protocol(STP) bridge priority configuration

I'm trying to figure out the appropriate spanning tree protocol settings for a redundant network topology I'm in the process of implementing. The graphic demonstrates what the physical layer will look ...
1
vote
1answer
3k views

Spanning Tree Protocol (STP) to prevent network loop back issues?

I have several locations with managed network switches - for example, one being a stack of 3com 4500's. On occasion we have an issue where a user somewhere in the building decides to plug in their ...
1
vote
1answer
2k views

Spanning tree problems in a shared HP ProCurve environment

we're sharing a server room with another company, including the network infrastructure. All the switches are HP ProCurve, in various models depending on port need and so on. We're using VLANs to ...
1
vote
1answer
260 views

HP Network Device Management Software

I look after a network with 11 x new HP v1910 24-port 1GB switches and 2 x HP 4204vl 1GB Chassis switches. I'm looking for software to enable me to: Map the network graphically - there are a lot of ...
1
vote
2answers
555 views

Linux bridge redundancy

I make heavy use of Linux Bridges (brctl) as I have a Xen environment. At the minute, only one physical NIC is connected to the bridge (There are many virtual NICs for the Xen VMs though). In order to ...
2
votes
2answers
1k views

How should I connect a redundant switch arrangement to the rest of the network?

My servers all have two NICs and I have two Ethernet switches (A and B) dedicated to the servers, in a redundant configuration. I have configured the NICs with bonding (Linux) or teaming (ESXi), and ...
0
votes
1answer
530 views

For a switch using RSTP (or MSTP) on which port states/roles does it send BPDUs?

In trying to wrap my head around MSTP and RSTP I have read conflicting information about which ports a switch will send BPDUs through. It is clear to me that for MSTP the switch sends the BPDUs needed ...
1
vote
1answer
205 views

Cisco BPDUGUARD and BDPUFILTER

What happen if I have both ENABLED spanning-tree BPDUFILTER and BPBDUGUARD on a specific port?
1
vote
1answer
45 views

Having an IP address configured on a port, will it participate in Spanning tree protocol instance?

Having an IP address configured on a port, will it participate in Spanning tree protocol instance?
0
votes
2answers
326 views

Disable STP in Opensolaris bridge

how can i completely disable STP in a Opensolaris bridge. This bridge is connected to a Cisco Access Port and will disable the uplink port when the first BPDU arrives. bridged[3651]: [ID 581644 ...
6
votes
2answers
2k views

Optimal performance settings for Spanning Tree Protocol (802.1d) for LAN (gaming) environment

The topic covers a few topics, so I would try to break this down further as means to provide more information as well as gain a better understanding about the technology. First some background - we ...
1
vote
4answers
289 views

Will this cause STP to reconverge?

If I configure a second interface on the router to connect to the same network as the other, will it cause spanning-tree to reconverge when I plug it into the switch? E.g. existing interface is ...
6
votes
4answers
11k views

What does Spanning Tree Protocol (STP) do?

Someone please explain what Spanning Tree Protocol (STP) actually does in layman's terms. I know it can cause problems with some network gear, but that's the extent of my knowledge.