7
votes
Accepted
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
...
- 1,568
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.
6
votes
Accepted
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 ...
- 81.5k
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 ...
- 2,746
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 ...
- 8,674
5
votes
Accepted
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
...
- 81.5k
5
votes
Accepted
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 ...
- 81.5k
5
votes
Accepted
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 ...
- 1,732
4
votes
Accepted
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 ...
- 3,754
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 ...
- 19.4k
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 ...
- 81.5k
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 ...
- 66.9k
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 ...
- 81.5k
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.
...
- 133
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....
- 31.5k
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.
- 31
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 ...
- 131
3
votes
Accepted
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 ...
- 81.5k
3
votes
Accepted
Allowing only routed traffic, block intra-VLAN forwarding
Since your clients are connected by the edge switches you'll need to filter unwanted traffic there - before the core switches.
How exactly that can be done depends on the models/series you use.
With ...
- 81.5k
3
votes
Accepted
HP switch "No untagged port"
It means the "tagged" port does not also allow untagged frames. In the Cisco world, this is equivalent to having no native VLAN.
- 66.9k
3
votes
HP switch "No untagged port"
As a configuration command, no vlan xy untagged n (or just no untagged n when you're in the vlan xy context) removes the VLAN xy as untagged from port n - so there's no untagged/native VLAN.
In Cisco ...
- 81.5k
3
votes
How to make a printer visible to two different subnets?
You are going to need to link the two physically separate networks and route them. If the Layer3 switches are capable then you could do it there however the route should be added on whatever is ...
- 151
2
votes
Filter multicast traffic to WiFi SSID
If you want to shut down multicasts on an interface completely, use
storm-control multicast level 0
switchport block multicast
The first command prevents inbound multicasts from entering the ...
- 3,444
2
votes
Filter multicast traffic to WiFi SSID
Multicast is "broadcast" traffic. It gets sent at the AP's "basic rate", which is the rate every associated client can process. This is usually less than 5.5Mbps.
Your available solutions are to ...
- 31.5k
2
votes
Filter multicast traffic to WiFi SSID
There is an option on the controllers to enable IGMP snooping helpers that should help.
However, the issue is generally that Multicast is sent at the lowest packet rate available. Unlike an Aruba ...
- 21
2
votes
OSPF between Cisco and HP devices
Bot devices must me on the same subnet if you want to communicate between then, if you have post here the configuration on the interfaces that are connected directly, i think, they cannot form ...
- 2,105
2
votes
QoS on an HP 6125 XLG switch running Comware 7
What's the reason you want to drop all traffic of a VLAN into a queue? It's not common. You can use DSCP and prioritize on IP packet level. You can be much more specific in what you want to prioritize....
Only top scored, non community-wiki answers of a minimum length are eligible