3
votes
2answers
204 views

HP ProCurve 2920 switch stack topology for TWO switches? Ring vs. Chain vs. trunk?

I have a customer whose two HP ProCurve 2910al PoE switches have failed. This was backing a VoIP deployment for a small call center. They are interested in replacement PoE switches, but there's a ...
3
votes
3answers
472 views

What do switches do to tagged and untagged VLAN packets?

Let's say we have a 4-port switch that is VLAN capable. 1 2 3 4 Port 1 is TAGGED to VLAN10` and `UNTAGGED to Default_VLAN(1) Port 2 is UNTAGGED to VLAN10 Port 3 is UNTAGGED to ...
2
votes
2answers
111 views

Colocation, Full Rack, Layer2/Layer3 Clarification

We are moving from several 1U servers colo'ed out across several data centers to a full rack in a nearby data center for both physical access reasons, as well as having space for expansion. We also ...
3
votes
1answer
235 views

HP Procurve 2512/2524 protected port, source port filter or similar?

HP Procurve switches usually have a setting so that the ports are told which other ports they can communicate with. An easy setup using this is to only allow communication with the uplink, so that no ...
2
votes
1answer
201 views

switch, procuve 2510, error: OS TFTP in prgrs, SNMP denied

I cannot reboot 2510-24 then I get this message: OS TFTP in prgrs, SNMP denied Smart as I am I just started a new TFTP download of latest firmware, but that is a no-go since another download is in ...
2
votes
1answer
203 views

Spanning-tree setup with incompatible switches

I have a set of eight HP ProCurve 2910al-48G Ethernet switches at my datacenter that are set up in a star topology with no physical loops. I want to partially mesh the switches for redundancy and ...
1
vote
2answers
3k views

Need help setting up an HP Procurve 2650 switch via serial using Linux.

I recently bought an HP Procurve 2650 (J4899A) off ebay and it came out without a serial cable. So I also purchased a null modem serial cable (rs232) to connect to it (Assuming this is the right one). ...
3
votes
1answer
428 views

HP 4204vl (J8770A) non-blocking switching capacity

On the information page for the above mentioned switch, it says "Supports a maximum of 96 autosensing 10/100 ports or 96 autosensing 10/100/1000 ports or 16 mini-GBICs or 4 10-GbE ports, or a ...
0
votes
0answers
563 views

Poor HP Procurve 2848 port performance

I have a 4 servers connected to a HP 2848 switch with uplink to a router (Linux or Cisco - doesn't matter). Total traffic is about 300Mbps with 60-70Kpps. The problem is with a a port, connected to a ...
4
votes
3answers
794 views

will heavy network traffic affect other connections on HP ProCurve V1810-48G?

I have a HP ProCurve V1810-48G switch with a few servers running Citrix XenServer connected to it (everything in one rack). The switch is almost in its default configuration (no VLAN, no port ...
1
vote
2answers
640 views

Is the HP ProCurve 1800-24G Switch fanless or not?

Does the HP ProCurve 1800-24G Switch have a fan or not? The specs say that it does not have a fan, and so do many references I can see on the web. However, a person who is offering to sell me a used ...
1
vote
3answers
1k views

Fibre (Fiber) Optic - Mixing SFP's and Switches

My generic question is: Can you mix switches on the opposite sides of a fibre link, or more accurately different manufactuors tranceivers. We just bought several new HP ProCurve v1810 series switches ...
2
votes
2answers
3k views

VLAN security on HP ProCurve 1810G-24?

I'm looking into the managed switch HP ProCurve 1810G-24 to see if it can meet our office demands. The specs say it has IEEE802.1Q - whatever that means. Our office consists of four companies that ...
-2
votes
2answers
1k views

VLAN routing issue

I have HP Procurve Switch 2910AL-24G. Please see attached configuration. Client inst2is01 (10.247.167.80) and VLAN ID is 37 Server ILO (Management Port) IP : 10.247.172.70 and VLAn ID is 54 From ...
0
votes
0answers
402 views

Hp Procurve Switch : port filtered

My HP Procurve switch is blocking port 22 and I dont know how to unblock it.Please let me know From the server, see port 22 is blocked [root@server ~]#nmap -p22,80,443 10.247.172.70 Starting Nmap ...
1
vote
1answer
2k views

ProCurve 2610 Java error?

I've got two identical procurve 2610-24/12PWR switches with the web interface configured. I can log in to one and see all the management info just fine. When I load the web interface of the other ...
0
votes
1answer
1k views

HP E3800 series Web GUI times out

I am having some trouble with the web interface for my new E3800 (3800-48G-4SFP+ Switch (J9576A)). I have two of them stacked in a ring topology. When I restore to the factory default and add an IP ...
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 ...
9
votes
1answer
2k views

Admin mode on Procurve Switches

Not being a network expert, I spent some time configuring my network, until I found my mistake: On my HP ProCurve Switch 1810G, I thought that "Admin mode" means whether the administrative interface ...
3
votes
2answers
2k views

How to calculate required switch speed based on network usage?

I have a 48 100Mbit/s port HP Procurve Switch 2610 (J9088A) that can handle 13.0 million PPS (packets per second) and features wire speed switching capacity at 17.6Gbps. First off, what does that ...
0
votes
2answers
2k views

How to use a MIB file

I have a HP 2626 switch and want to monitor it by SNMP. how can i use the MIB file. Any starting points on how to understand it ? using snmpwalk to get the data in a *nix machine and output it in a ...
2
votes
1answer
521 views

Bonding NICs with Procurve 1400-24G switch

I was looking to bond two or three NICs together to increase throughput. Now, this should be straight forward if done computer to computer, but since there are 3 computers involved which require ...
0
votes
1answer
558 views

Is it possible to change the voltage on a single port on an HP ProCurve 2910al POE switch and how?

I have a couple of HP ProCurve 2910al POE+ switches at my company that we are primarily using to power our VOIP phones that run on 48V DC. However, I have one wireless access point that I need to run ...
1
vote
2answers
848 views

Using a Level 2 switch as a core switch

I have a small user base of about 20 people on at a time and spiking up to about 80 people during peak times. Most people (80+%) are connected over our Aruba managed wireless system. We have a Windows ...
9
votes
3answers
7k views

Server-to-Switch Trunking in Procurve switch, what does this mean?

I am looking to set up switch redundancy in a new datacenter environment. IEEE 802.3ad seems to be the go-to concept on this, at least when paired with a technology that gets around the "single ...
6
votes
3answers
1k views

Automatic rollout of VLAN (and other) configs to Procurve switches

I've got a pile of switches connecting everything together at our DC, 50 racks or so worth of kit. It's starting to be a problem to login to every single one of them to make configuration changes -- ...
2
votes
1answer
10k views

Configuring VLAN's on two HP procurve switches

Trying to route a new ISP (Microwave link) from one of my out buildings to my computer room and hence my firewall. Old ISP came direct into firewall. In the outbuilding the Microwave modem connects ...