Ethernet Switches & Routers

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Member
Posts: 1
Registered: ‎05-06-2016

ICX6450-48P switch to switch connection

Hello everyone,

 

I'm new in Brocade devices and faced wierd issue related to ICX6450-48P. We try to deploy some temporary infrastructure on client site and wanted just to connect two or more subject switches to each other using normal data ports and cat6 cable.

 

The thing is that when we connect switches to each other ports don't actually come up permanently changing state from FORWARDING to BLOCKING. But when I connect my laptop directly to switch port everything is fine, it works as usual.

 

I've already deactivated all STP settings globally and on ports, BPDU guard, tried both straight-through and crossover cables but nothing helps. Basically we using only one cable to connect switches, there is no loop between them.

 

Not sure, maybe this is some simple setting, but looks very wierd as normally all other switches sholud work like that.  I've googled everything I could, but no luck.

 

Any thoughts appreciated.

 

 

Below are show interface outputs for the switch port:

 

ICX6450-48P Switch#sh interfaces ethernet 1/1/13
GigabitEthernet1/1/13 is down, line protocol is down
Hardware is GigabitEthernet, address is cc4e.24d9.098c (bia cc4e.24d9.098c)
Configured speed auto, actual unknown, configured duplex fdx, actual unknown
Configured mdi mode AUTO, actual unknown
Member of L2 VLAN ID 1, port is untagged, port state is BLOCKING
BPDU guard is Disabled, ROOT protect is Disabled
Link Error Dampening is Disabled
STP configured to OFF, priority is level0, mac-learning is enabled
Flow Control is config enabled, oper disabled, negotiation disabled
Mirror disabled, Monitor disabled
Not member of any active trunks
Not member of any configured trunks
No port name
Inter-Packet Gap (IPG) is 96 bit times
MTU 1500 bytes
300 second input rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
300 second output rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 multicasts, 0 unicasts
0 input errors, 0 CRC, 0 frame, 0 ignored
0 runts, 0 giants
1247 packets output, 103243 bytes, 0 underruns
Transmitted 26 broadcasts, 1221 multicasts, 0 unicasts
0 output errors, 0 collisions
Relay Agent Information option: Disabled

Egress queues:
Queue counters Queued packets Dropped Packets
0 0 0
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0
ICX6450-48P Switch#
ICX6450-48P Switch#sh interfaces ethernet 1/1/13
GigabitEthernet1/1/13 is up, line protocol is up
Hardware is GigabitEthernet, address is cc4e.24d9.098c (bia cc4e.24d9.098c)
Configured speed auto, actual 1Gbit, configured duplex fdx, actual fdx
Configured mdi mode AUTO, actual MDI
Member of L2 VLAN ID 1, port is untagged, port state is FORWARDING
BPDU guard is Disabled, ROOT protect is Disabled
Link Error Dampening is Disabled
STP configured to OFF, priority is level0, mac-learning is enabled
Flow Control is config enabled, oper enabled, negotiation disabled
Mirror disabled, Monitor disabled
Not member of any active trunks
Not member of any configured trunks
No port name
Inter-Packet Gap (IPG) is 96 bit times
MTU 1500 bytes
300 second input rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
300 second output rate: 0 bits/sec, 0 packets/sec, 0.00% utilization
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 multicasts, 0 unicasts
0 input errors, 0 CRC, 0 frame, 0 ignored
0 runts, 0 giants
1247 packets output, 103243 bytes, 0 underruns
Transmitted 26 broadcasts, 1221 multicasts, 0 unicasts
0 output errors, 0 collisions
Relay Agent Information option: Disabled

Egress queues:
Queue counters Queued packets Dropped Packets
0 0 0
1 0 0
2 0 0
3 0 0
4 0 0
5 0 0
6 0 0
7 0 0

Frequent Contributor
Posts: 100
Registered: ‎07-12-2011

Re: ICX6450-48P switch to switch connection

I would check speed and duplex of the other switch, or force the Brocade port to 10-half and see if it links, then try to find the highest speed it will link at hard coded.

Contributor
Posts: 22
Registered: ‎05-21-2014

Re: ICX6450-48P switch to switch connection

Make sure you disable all inline power from those two ports.

 

You should likely also tag those ports in all the vlans you want to pass traffic.

 

Let's see the config for the two ports you are connecting.

 

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