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04-03-2017 12:24 PM
04-03-2017 12:24 PM
Connect HP FlexFabric 5700 to existing network
I'm new to HPE routing switches. I have a new HP FlexFabric 5700 and I have done some basic configuration so far:
- Set static IP for the default VLAN
- Set a username and password with Network Admin rights
- Set it up so I can connect to the switch via the CLI Console and/or the HTTP Web Interface.
I assumed the HP 5700 would connect to the network out of the box, but I can't ping or access it while on the network. I have to connect my laptop directly to it in order to connect the Web interface.
What I need to accomplish:
Get network access to the HP 5700.
Pass DHCP through to devices on the HP 5700.
Any help would be appreciated.
Thanks
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04-04-2017 12:46 AM
04-04-2017 12:46 AM
Re: Connect HP FlexFabric 5700 to existing network
Hello
How did you connect the HP switch to your network? How did you configure the ports on both sides?
Kind regards
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04-04-2017 02:39 AM
04-04-2017 02:39 AM
Re: Connect HP FlexFabric 5700 to existing network
Hi,
Can you show us, the configuration of the devices connecting you newly installed device ?
Especially Vlan & Interface configuration.
Jean-Christophe
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04-04-2017 07:37 AM
04-04-2017 07:37 AM
Re: Connect HP FlexFabric 5700 to existing network
Dell PowerConnect 6224:
- Port 9 to HPE FlexFabric 5700 Port 1, Type = Access
- Port 13 to HPE FlexFabric 5700 Port 2, Type = Access
Note: Default VLAN, No tagged ports
HPE FlexFabric 5700:
- Port 1, Type = Trunk
- Port 2, Type = Trunk
Note: Default VLAN, No tagged ports
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04-04-2017 07:49 AM - edited 04-04-2017 07:55 AM
04-04-2017 07:49 AM - edited 04-04-2017 07:55 AM
Re: Connect HP FlexFabric 5700 to existing network
Trunk and Access port are not compatible.
You have to change Port 1 and 2 of your HP switch to Access (IE: port link-type access)
Also, since you have two physical links between your switchs, you have either to bridge interfaces together to have one logical link, or enable Spanning tree, otherwise you'll have Layer 2 loop.
Jean-Christophe
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04-04-2017 08:36 AM
04-04-2017 08:36 AM
Re: Connect HP FlexFabric 5700 to existing network
I changed ports 1 and 2 on the HP switch to Access. I can now get a DHCP IP when I connect a laptop to it, but I can't connect to the internet.
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04-04-2017 10:05 AM - edited 04-04-2017 10:08 AM
04-04-2017 10:05 AM - edited 04-04-2017 10:08 AM
Re: Connect HP FlexFabric 5700 to existing network
Hi,
Can you ping your gateway ?
Do you have your DNS also configured through DNS ?
Can you ping google.com IP address (ie: 172.217.19.14) ?
It could also be a Spanning tree issue. Can you test with only one cable connected between your 2 Switches ?
Jean-Christophe
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04-05-2017 07:29 AM - edited 04-05-2017 08:48 AM
04-05-2017 07:29 AM - edited 04-05-2017 08:48 AM
Re: Connect HP FlexFabric 5700 to existing network
We have the following setup:
- Gateway (SonicWall): 172.16.1.1/24
- Dell Power Connect 6224 (Uplink Source): 172.16.1.10/24
- HP FF 5700: 172.16.1.11/24
- DHCP Server: 172.16.1.251/24
- DNS Servers: 172.16.1.251/24, 172.16.1.252/24
The PC plugged into the switch gets the following from the DHCP server:
- IP: 172.16.0.129
- Subnet: 255.255.254.0
- Gateway: 172.16.1.1
- DNS: 172.16.1.251, 172.16.1.252
I can't ping the gateway, DNS servers or Public Servers (Google) from the PC.
Also, the two DNS server IP's have been added to the IPv4 DNS settings on the switch.
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04-05-2017 07:43 AM
04-05-2017 07:43 AM
Re: Connect HP FlexFabric 5700 to existing network
Hi,
Your DHCP Server configuration is wrong. Everything is configured with a /24 netmask execpt your PC that received a /23 netmask.
You have to review your DHCP server configuration.
Based on what you shared, your DHCP server should have the following configuration:
DHCP Range: 172.16.1.<FirstIP> - 172.16.1.<LastIP> (ie: 172.16.1.16 - 172.16.1.127)
DHCP Default GW: 172.16.1.1
DHCP Netmask: 255.255.255.0
DHCP DNS Server: 172.16.1.251, 172.16.1.252
Then everything should work.
Jean-Christophe