OpenForum RSS: Cisco trunk

Cisco trunk (ogiss)

Thu, 27 Sep 2018 03:56:59 GMT

https://community.cisco.com/t5/routing/pm-4-err-disable-loopback-error-detected-on-gi0-2/td-p/1432264

I faced similar problem and the solution for it was to enter the following commands on the physical interfaces.

keepalive 10

no keepalive

Cisco trunk (Andrey)

Wed, 26 Sep 2018 11:15:33 GMT

> �� 9300 � 2960L-24TC �� SFP.
> �� 25 ��(SFP) 2960L:
> interface GigabitEthernet0/25
> switchport trunk allowed vlan 1,2,250
> switchport mode trunk
> �� 2960L �� Vlan1 � IP ��
> �� Vlan1 �� .
> �� 2960L �� .
> �� .�., �� Vlan1 �� .
> � �� ?

�� 2960:
sh inv
sh ver

Cisco trunk (Ilya)

Wed, 26 Sep 2018 04:45:08 GMT

>> ��:
>> https://c.radikal.ru/c43/1809/5a/7a650f71a673.png
> ��
> vtp domain <�� >
> ��
> vtp mode server
> ��
> vtp mode client

�� , �� .(

�� :

Sep 26 04:31:20.871: %PM-4-ERR_DISABLE: loopback error detected on Gi0/10, putting Gi0/10 in err-disable state
Sep 26 04:31:20.888: %LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to down
.Sep 26 04:31:21.873: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/10, changed state to down
.Sep 26 04:31:22.875: %LINK-3-UPDOWN: Interface GigabitEthernet0/10, changed state to down
Cisco-Third-Center# sh int gi0/10 sum
Cisco-Third-Center# sh int gi0/10 summary

*: interface is up
IHQ: pkts in input hold queue IQD: pkts dropped from input queue
OHQ: pkts in output hold queue OQD: pkts dropped from output queue
RXBS: rx rate (bits/sec) RXPS: rx rat

Cisco trunk (ogiss)

Wed, 26 Sep 2018 04:35:30 GMT

> ��:
> https://c.radikal.ru/c43/1809/5a/7a650f71a673.png

��
vtp domain <�� >

��
vtp mode server

��
vtp mode client

Cisco trunk (Ilya)

Tue, 25 Sep 2018 06:58:44 GMT

��:

https://c.radikal.ru/c43/1809/5a/7a650f71a673.png

Cisco trunk (Ilya)

Tue, 25 Sep 2018 06:56:20 GMT

>[�� ]
> : 6
> Configuration Revision
> : 0
> MD5 digest
>
> : 0x80 0xC8 0x44 0xEB 0x48 0x99 0x02 0x81
>
>
>
> 0x23 0x0D 0x75 0xB6 0x22 0x6D 0x8D 0x25

��:
[img]https://c.radikal.ru/c43/1809/5a/7a650f71a673.png[/img]

Cisco trunk (Ilya)

Tue, 25 Sep 2018 06:54:18 GMT

> sh vtp status - �� ?

2960L:

VTP Version capable : 1 to 3
VTP version running : 1
VTP Domain Name :
VTP Pruning Mode : Disabled
VTP Traps Generation : Disabled
Device ID : 00bc.60c7.9580

Local updater ID is IP on interface Vl1 (lowest numbered VLAN interface found)

Feature VLAN:
--------------
VTP Operating Mode : Server
Maximum VLANs supported locally : 256
Number of existing VLANs : 6
Configuration Revision : 10
MD5 digest : 0x2D 0xB8 0xCD 0x0E 0x11 0xD6 0x03 0x67
0x70 0x0E 0x36 0x79 0x34 0x48 0x21 0xB2

9300:

VTP Version capable : 1 to 3
VTP version running : 1
VTP Domain Name :
VTP Pruning Mode : Disabled
VTP Traps Generation : Enabled
Device ID : 0072.7893.3e00
Configuration last mo

Cisco trunk (ogiss)

Tue, 25 Sep 2018 06:45:04 GMT

sh vtp status - �� ?

Cisco trunk (eek)

Tue, 25 Sep 2018 06:22:12 GMT

>> Memory leak, �� .
>> �� logging �� .
> �� .

� ?