Switches Stacking Issue

S5720 access switches stack issue

Switch 1 is connected with switch 2 on 2 *10G Ports. Switch 1 Port XGE0/0/3 and XGE0/0/4 are connected with Switch 2 XGE1/0/3 and XGE 1/0/4. When we connected the stack cable it shows the logic ports should not same error and stacking Failed.

same logic ports error

1)

[switch-01]   display  version
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.170 (S5720 V200R019C10SPC500)
Copyright (C) 2000-2020 HUAWEI TECH Co., Ltd.
HUAWEI S5720-52X-PWR-SI-AC Routing Switch uptime is 0 weeks, 1 day, 2 hours, 2 minutes

ES5D2V52S003 0(Master)  : uptime is 0 week, 1 day, 2 hours, 0 minute
DDR             Memory Size: 512   M bytes
FLASH Total     Memory Size: 512   M bytes
FLASH Available Memory Size: 241   M bytes
Pcb           Version: VER.C
BootROM       Version   : 0213.0000
BootLoad      Version   : 0213.0000
CPLD          Version: 0110
Software      Version: VRP (R) Software, Version 5.170 (V200R019C10SPC500)
FLASH         Version: 0000.0000
PWR1 information
Pcb           Version: PWR VER.A

2) Display stack 

Switch 01 = 150 Priority

Switch 02 = 100

[switch-01]display  stack 

Slot of the active management port: —
Slot      Role        MAC Address      Priority   Device Type
————————————————————-
0         Master      x.x.x.x   150        S5720-52X-PWR-SI-AC

[switch-02]display  stack 

Slot of the active management port: —
Slot      Role        MAC Address      Priority   Device Type
————————————————————-
0         Master      x.x.x.x   100        S5720-52X-PWR-SI-AC

3)

[switch-01]display  stack port
*down: administratively down
(r)   : Runts trigger error down
(c)   : CRC trigger error down
(l): Link-flapping trigger error down
(m): Media mismatch trigger error down
Logic Port         Phy Port                     Online       Status 
—————————————————————————-
stack-port0/1      XGigabitEthernet0/0/3        present      up     
                   XGigabitEthernet0/0/4        present      up 

[switch-02]display  stack port
*down: administratively down
(r)   : Runts trigger error down
(c)   : CRC trigger error down
(l): Link-flapping trigger error down
(m): Media mismatch trigger error down
Logic Port         Phy Port                     Online       Status 
—————————————————————————-
stack-port1/1      XGigabitEthernet1/0/3        present      up     
                   XGigabitEthernet1/0/4        present      up 3

Logic Port Wrong I change Logic Stack port from 1/1 to 1/2 after this switch 2 restart and stacked successfully

[ACSW-01-2]display  stack 
Stack mode: Service-port
Stack topology type: Link
Stack system MAC: x.x.x.x
MAC switch delay time: 10 min
Stack reserved VLAN: 4093
Slot of the active management port: —
Slot      Role        MAC Address      Priority   Device Type
————————————————————-
0         Master      x.x.x.x                    150        S5720-52X-PWR-SI-AC
1         Standby     x.x.x.x                    100        S5720-52X-PWR-SI-A

2)

[ACSW-01-2]display  stack port
*down: administratively down
(r)   : Runts trigger error down
(c)   : CRC trigger error down
(l): Link-flapping trigger error down
(m): Media mismatch trigger error down
Logic Port         Phy Port                     Online       Status 
—————————————————————————-
stack-port0/1      XGigabitEthernet0/0/3        present      up     
                   XGigabitEthernet0/0/4        present      up     
stack-port1/2      XGigabitEthernet1/0/3        present      up     
                   XGigabitEthernet1/0/4        present      up 

Solution: Change Interface stack 1/1 to Interface 1/2 on switch 2

[ACSW-02]

Remove Ports from Stack 1/1 and add them to Stack 1/2

Interface stack 1/1

shutdown interface XGE 1/0/3 to XGE 1/0/4 after this undo from stack 1/1 by using undo port interface XGE 1/0/3 to XGE1/0/4 enable

Interface stack 1/2

Port add interface XGE1/0/3 to XGE 1/0/4 to enable

[ACSW-01-2]display  stack 
Stack mode: Service-port
Stack topology type: Link
Stack system MAC: x.x.x.x
MAC switch delay time: 10 min
Stack reserved VLAN: 4093
Slot of the active management port: —
Slot      Role        MAC Address      Priority   Device Type
————————————————————-
0         Master      x.x.x.x                    150        S5720-52X-PWR-SI-AC
1         Standby     x.x.x.x                   100        S5720-52X-PWR-SI-A

2)

[ACSW-01-2]display  stack port
*down: administratively down
(r)   : Runts trigger error down
(c)   : CRC trigger error down
(l): Link-flapping trigger error down
(m): Media mismatch trigger error down
Logic Port         Phy Port                     Online       Status 
—————————————————————————-
stack-port0/1      XGigabitEthernet0/0/3        present      up     
                   XGigabitEthernet0/0/4        present      up     
stack-port1/2      XGigabitEthernet1/0/3        present      up     
                   XGigabitEthernet1/0/4        present      up 

Please use different Logic stack Ports for stacking