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7 votes
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H3C MST BPDU exchange failing

You have a fundamental problem with your configuration, which is that the configuration digests on core and access switches don't match. [Core-sw]dis stp region-configuration Oper Configuration ...
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  • 1,548
6 votes

How to display entire MAC address table on HP switches

For HP you can use: in user-view : screen-length disable Then all output will be without "page" interruption.
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6 votes
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How to display entire MAC address table on HP switches

You can either adjust the screen length as Konstantin has suggested (screen-length disable isn't available on many switches though) or you can disable paging altogether using no page Re-enable with ...
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5 votes
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HP V1910, VLAN routing - what did I miss?

Your problem is, indeed, with routing. Things in VLAN 1 are using 5.1 as the gateway, right? 5.1 doesn't know about any other internal networks. (i.e. VLAN 10) Likewise, the hosts in VLAN 1 don't know ...
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5 votes
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Change mgmt IP, vlan and default GW HP Switch

This depends entirely on the switch model. Simple layer-2 switches, "not likely". The issue is the inability to enter an atomic set of commands. Each configuration change will be active the instant ...
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5 votes

Layer 1 problem - fiber ethernet won't connect unless held in

This sounds like an optical problem in the transceiver module - for whatever reason the optics are not lining up correctly when the connector is clicked into place, but are managing to focus when the ...
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5 votes

H3C MST BPDU exchange failing

TL;DR: MST (IEEE 802.1s) exchanges BPDUs only on instance 0. Don't expect BPDUs on the other instances. VLAN-to-instance mapping must be identical on all MST switches (ref: richardb's answer) for ...
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5 votes
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ACL based on VLAN

First you define the rule, e.g. deny 192.168.1.1 DNS access anywhere, permit everything else: ip access-list extended "rulename" 10 deny udp 192.168.1.1/32 any eq 53 log 9999 permit ip any any exit ...
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5 votes
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Non-HP transceiver and HP switch

from comment HPE switches with pre-16.x firmware require original or HP-compatible transceivers. A transceiver that's not HPE branded is not activated when inserted, as indicated by LED and in the ...
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5 votes
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Cisco enable username and enable password equivalent in HP

Since i do not know what type of HP switch you have, the general command to use, as you describe is: Switch(config)# password manager user-name admin When pressing enter, you will be prompted to ...
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  • 1,700
4 votes

How do I connect to an HP 1910 switch console from GNU screen?

I was able to get it working with this command sudo screen /dev/ttyS0 38400,cs8,-ixon,ixoff Before running the command, I had to use dmesg to find which of the ttyS or ttyU devices was to be used. ...
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4 votes

HP Switching, DT Links to two STP switches?

This isn't Distributed Trunking. The described topology is: .-------. .-------. | | | | | 8200A |--| 8200B | | | | | '-------' '-------' | | | | ....
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4 votes
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Layer 2 vs Layer 3 core - with HP IRF

Straight from Cisco’s Campus Network for High Availability Design Guide, L3 is superior because: – Faster convergence around a link or node failure. – Increased scalability because neighbor ...
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  • 5,449
4 votes
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Private VLAN on HP switch

Not all HP series support Private VLAN (PVLAN). According to HPE ArubaOS-Switch Software Feature Support Matrix, you do not have this feature (PVLAN) on your devices. Some people suggest that you can ...
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  • 3,744
4 votes

Switch with VLANs and non-VLAN ports?

All ports of any VLAN-capable switchs are always in a VLAN. Generally by default, and/or it there's no specific configuration on the port it is in VLAN 1 But you may want to further diagnose the ...
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4 votes

HP ProCurve 2520G Switch not accepting HP transceiver SFP

The 468508-002 is a short-wave (850 nm) 8Gb SFP+ transceiver for Fibre Channel. It is not compatible with Ethernet switches and won't ever work in a 2520. Provision switches like the 2520 series ...
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4 votes

secure authentication over LAN 802.1X

There are many variables to consider when configuring LAN Authentication, but here is a page from the HP manual on configuring 802.1x, and here is one from the Freeradius Wiki. These two links ...
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  • 63k
4 votes

Prevent Users from Setting Specific Static IP

The 5400 series supports DHCP snooping with ARP protection which is your best option. Those force a client to use the IP address it is assigned by the authorized DHCP server(s). Any other traffic is ...
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3 votes

Enabling an ethernet port on an H3C S5820X-28S switch

Media type is stack wire,Port hardware type is STACK_SFP_PLUS You haven't said what's being connected to the port, or if there are any syslog errors (presumably of an "unsupported" SFP) Run "display ...
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3 votes

HP 1910 disable layer 3 mode

Like Ryan said, it's a layer-2 device first. If you don't configure any layer-3 features, it won't have any. Out of the box, it has no ip interfaces (maybe a default management address, not sure with ...
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3 votes
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Native VLAN between switch and router

Hope I understand what you are asking here (your writing is long and my memory is short :)) The HP untagged VLAN on a tagged interface functions similarly as the native VLAN you configure on Cisco ...
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  • 46
3 votes

HP 5500 'display current-configuration' without 'super' permissions

When you are using SSH to access the switch you are using a certain username and password. The fact that you need to elevate your privilege level by using the super command means that the account you ...
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3 votes

How can I change the IP address of a running switch (HP 2510)?

It can be problematic to change an address remotely. The best option is to do it in person from the directly attached console. To move the switch to a different subnet, that is indeed what is required....
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3 votes

How can I change the IP address of a running switch (HP 2510)?

You normally would just overwrite it with e. g.: vlan 1 ip address 10.10.10.11/8 But if you stay on the same subnet, the switch will complain: The IP address (or subnet) 10.10.10.11/8 already exists. ...
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3 votes

Exporting cisco ASA configuration into HP aruba?

I don't think there is a way to copy config from Cisco to Aruba as both run on different OS.
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3 votes

Switches 'HPE OfficeConnect 1920S' - Enable SSH / TFTP Services

Well, actually you CAN enable telnet and ssh. It's completely unsupported, but anyway: Update firmware to latest version, I used PD.02.06.stk. Go to Maintenance -> Backup and Update Manage, click ...
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  • 131
3 votes
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PVID for hp switch 1910

On the 1910, you can't simply "permit all VLAN IDs". You need to create each VLAN and assign it as tagged or untagged to the interfaces as required (creating all VLANs first and then assigning them to ...
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