Cisco SG300-52 52-Port Gigabit Managed Switch losing VLAN-Port Membership
Hello
We have some cisco switches in use and we're facing some problems everytime the switch loses Power.
After a reboot the port/vlan membership is lost, so are other settings recently made (like SSH access allowed, etc.).
The settings made up a year ago like the IPs, password, etc. remain untouched.
Upgrading the Firmware, Saving the Configs, etc. didn't solve the problem.
Is this a known issue? Anyone facing the same problem?
Bye and thanks for the help.
Viktor
Vlan Name Tagged Ports UnTagged Ports Created by
1 1 gi51-52,Po1-8 D
10 10 gi51-52 S
20 20 gi51-52 S
30 30 gi51-52 S
40 40 gi51-52 gi1-9,gi14-34, S
gi38-41,gi49-50
50 50 gi51-52 S
100 100 gi51-52 S
190 SecurityNetwork gi51-52 gi11-13,gi35-37 S
200 200 gi51-52 S
210 Wireless gi51-52 gi10 S
300 ServerSubnetOne gi51-52 gi42-48 S
config-file-header
as4
v1.4.0.88 / R800_NIK_1_4_194_194
CLI v1.0
set system mode switch
file SSD indicator encrypted
ssd-control-start
ssd config
ssd file passphrase control unrestricted
no ssd file integrity control
ssd-control-end cb0a3fdb1f3a1af4e4430033719968c0
no cdp run
no spanning-tree
port jumbo-frame
vlan database
vlan 10,20,30,40,50,100,190,200,210,300
exit
voice vlan state disabled
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________
voice vlan oui-table add 000fe2 H3C_Aolynk______________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00d01e Pingtel_phone___________
voice vlan oui-table add 00e075 Polycom/Veritel_phone___
voice vlan oui-table add 00e0bb 3Com_phone______________
no lldp run
hostname as4
no passwords complexity enable
username cisco password encrypted xxxxx
ip ssh server
snmp-server location Eingang
snmp-server contact [email protected]
clock timezone " " +1
clock source sntp
sntp unicast client enable
sntp unicast client poll
sntp server 157.161.57.2 poll
ip name-server 192.168.200.1
interface vlan 190
name SecurityNetwork
interface vlan 200
ip address 192.168.200.34 255.255.255.0
interface vlan 210
name Wireless
interface vlan 300
name ServerSubnetOne
interface gigabitethernet1
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet2
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet3
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet4
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet5
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet6
spanning-tree disable
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet7
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet8
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet9
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet10
switchport mode access
switchport access vlan 210
lldp med disable
interface gigabitethernet11
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet12
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet13
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet14
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet15
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet16
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet17
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet18
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet19
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet20
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet21
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet22
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet23
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet24
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet25
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet26
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet27
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet28
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet29
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet30
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet31
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet32
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet33
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet34
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet35
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet36
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet37
switchport mode access
switchport access vlan 190
lldp med disable
interface gigabitethernet38
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet39
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet40
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet41
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet42
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet43
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet44
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet45
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet46
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet47
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet48
switchport mode access
switchport access vlan 300
lldp med disable
interface gigabitethernet49
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet50
switchport mode access
switchport access vlan 40
lldp med disable
interface gigabitethernet51
switchport trunk allowed vlan add 10,20,30,40,50,100,190,200,210,300
lldp med disable
interface gigabitethernet52
switchport trunk allowed vlan add 10,20,30,40,50,100,190,200,210,300
lldp med disable
exit
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Hi Anton,
You can access boot menu and choose password recovery but this option is only accessible via serial console and after you see Cisco logo hit ESC button once.
Once you choose password recovery current password will be ignored during this current session only so the first thing you need to do is to change and save new password. You can use CLI for this:
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Hello,
Our office lan running on 2 * SG 300-28 28-Port Gigabit Managed Switch.
PID VID:SRW2024-K9 V01
Firmware Version (Active Image):1.0.0.27
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We have to re-boot the offending switch to get the normal traffic back.
I have raised a ticket with cisco small business people and they said to upgrade the firmware to latest version.
But I am wondering why I need to upgrade this switch as the other switch which also brought at the same time with the same spec have no such issues.
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Please see the attachment and let me know if any other info needed?
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Regards
SujiHi,
Please see the difference between the connected switches configuration.
Maybe the vlan 10 and 30 has been created wrongly.
Please see the config for both the switches and give me some advice/suggestions.
I really appreciate that.
Bad Switch Config
/* This is the config for the bad switch */
interface port-channel 1
flowcontrol auto
exit
interface port-channel 2
description netAppFiler1
exit
interface port-channel 3
description Switch
flowcontrol auto
exit
port jumbo-frame
vlan database
vlan 10,30
exit
interface ethernet g12
switchport trunk native vlan 10
exit
interface ethernet g24
switchport trunk native vlan 30
exit
interface vlan 10
name Private
exit
interface vlan 30
name "Private 2"
exit
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________
voice vlan oui-table add 000fe2 H3C_Aolynk______________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00d01e Pingtel_phone___________
voice vlan oui-table add 00e075 Polycom/Veritel_phone___
voice vlan oui-table add 00e0bb 3Com_phone______________
port-channel load-balance layer-2-3
interface range ethernet g(25-26)
channel-group 2 mode on
exit
interface range ethernet g(27-28)
channel-group 3 mode on
exit
interface range ethernet g(27-28)
lacp timeout short
exit
interface range ethernet g(1-26)
lacp port-priority 2
exit
ip dhcp relay address 192.168.0.1
ip dhcp relay enable
ip dhcp information option
interface vlan 1
ip dhcp relay enable
exit
bonjour service enable csco-sb
bonjour service enable http
bonjour service enable https
bonjour service enable ssh
bonjour service enable telnet
hostname switchbad
line console
exec-timeout 0
exit
line ssh
exec-timeout 0
exit
line telnet
exec-timeout 0
exit
username admin password xxxxxxxxxxxxxxxxxxxxxxxxxx level 15 encrypted
no snmp-server enable
snmp-server location "Server Rack"
ip http exec-timeout 0
ip https exec-timeout 0
clock timezone 1
clock dhcp timezone
ip name-server 192.168.0.1 192.168.0.9
snmp-server set rlAutomaticClockSetFromPCEnabled rlAutomaticClockSetFromPCEnabled true
Good Switch Config
/* Good switch run config *
interface port-channel 1
description Switch
flowcontrol auto
exit
port jumbo-frame
lacp system-priority 2
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________
voice vlan oui-table add 000fe2 H3C_Aolynk______________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00d01e Pingtel_phone___________
voice vlan oui-table add 00e075 Polycom/Veritel_phone___
voice vlan oui-table add 00e0bb 3Com_phone______________
port-channel load-balance layer-2-3
interface range ethernet g(27-28)
channel-group 1 mode on
exit
interface range ethernet g(27-28)
lacp timeout short
exit
interface range ethernet g(1-26)
lacp port-priority 2
exit
interface port-channel 1
switchport protected-port
exit
ip dhcp relay address 192.168.0.1
ip dhcp relay enable
ip dhcp information option
bonjour service enable csco-sb
bonjour service enable http
bonjour service enable https
bonjour service enable ssh
bonjour service enable telnet
hostname switchbaebf1
line console
exec-timeout 0
exit
line ssh
exec-timeout 0
exit
line telnet
exec-timeout 0
exit
aaa authentication enable Console local
aaa authentication enable SSH local
aaa authentication enable Telnet local
aaa authentication login Console local
aaa authentication login SSH local
aaa authentication login Telnet local
line telnet
login authentication Telnet
enable authentication Telnet
password xxxxxxxxxxxxxxxxx encrypted
exit
line ssh
login authentication SSH
enable authentication SSH
password xxxxxxxxxxxxxxx encrypted
exit
line console
login authentication Console
enable authentication Console
password xxxxxxxxxxxxxx encrypted
exit
username admin password xxxxxxxxxxxxxx level xy encrypted
ip ssh server
snmp-server location "Comms rack"
ip http exec-timeout 0
ip https server
ip https exec-timeout 0
clock summer-time recurring eu
sntp unicast client enable
sntp unicast client poll
sntp broadcast client enable
sntp server xx.yyy.zz.70 poll
sntp server zz.yyy.xx.201 poll
sntp server zz.yy.xxx.2 poll
sntp server xzz.xxx.xy.149 poll
clock dhcp timezone
ip name-server 192.168.0.1 192.168.0.9
ip telnet server
snmp-server set rlAutomaticClockSetFromPCEnabled rlAutomaticClockSetFromPCEnabled true
Regards
Smith -
SG 300-52 52-Port Gigabit Managed Switch
Hi Gentlemen,
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Firmware Version (Active Image ) : 1.1.1.8
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Core Pri ------- Core Sec (Core Pri 192.168.1.2 / Sec 192.168.1.3 / HSRP VIP 192.168.1.1)
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|
|
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======================== Reference from Cisco regarding ip default-gateway --------------------------------------
How to configure the ip default-gateway command on a Cisco 3550 series switch
VERSION 2
Resolution
To define a default gateway when IP routing is disabled, issue the ip default-gateway global configuration command. Then, enter the IP address of the next-hop router interface that is directly connected to the switch where a default gateway is being configured.
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WirelessSWLab#sh ip int b
Interface IP-Address OK? Method Status Protocol
Vlan1 unassigned YES NVRAM administratively down down
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GigabitEthernet0/1 unassigned YES unset up up
GigabitEthernet0/2 unassigned YES unset down down
GigabitEthernet0/3 unassigned YES unset down down
GigabitEthernet0/4 unassigned YES unset down down
GigabitEthernet0/5 unassigned YES unset down down
GigabitEthernet0/6 unassigned YES unset down down
GigabitEthernet0/7 unassigned YES unset down down
GigabitEthernet0/8 unassigned YES unset down down
GigabitEthernet0/9 unassigned YES unset down down
GigabitEthernet0/10 unassigned YES unset down down
GigabitEthernet0/11 unassigned YES unset down down
GigabitEthernet0/12 unassigned YES unset down down
GigabitEthernet0/13 unassigned YES unset down down
GigabitEthernet0/14 unassigned YES unset down down
GigabitEthernet0/15 unassigned YES unset down down
GigabitEthernet0/16 unassigned YES unset down down
GigabitEthernet0/17 unassigned YES unset down down
GigabitEthernet0/18 unassigned YES unset down down
GigabitEthernet0/19 unassigned YES unset down down
GigabitEthernet0/20 unassigned YES unset down down
GigabitEthernet0/21 unassigned YES unset down down
GigabitEthernet0/22 unassigned YES unset down down
GigabitEthernet0/23 unassigned YES unset down down
GigabitEthernet0/24 unassigned YES unset up up
WirelessSWLab# -
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2 of my Windows 2008 Server have Dual network adapters.
Need to put the second network adapter on another subnet.
My primary network is 10.2.8.x/22 10.2.8.1 is Gateway 255.255.252.0 is the subnet
New network is 10.1.8.x/22 Gateway is 10.1.8.1 Subnet 255.255.252.0
I need both networks to be able to talk to each other.
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If I plug the second network adapter from my test server into the Meraki MX60 Lan Port and it all works from my pc on 10.2.1.x I can ping 10.1.8.1 which is the Meraki MX60 and I can ping 10.1.8.23 which is the test server.
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When I plug my Test Server second network adapter into port 13, 14 15 or 16 of the SG 200 I can not:
1. from my pc (10.2.8.99) ping 10.1.8.23
2. From the Meraki (10.2.8.1) I can not ping 10.1.8.23
3. From the Test server (10.1.8.23) can not ping 10.1.8.1
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I created a VLAN named 1018 (See the attached screen images)
How does my config look?
What am I missing????
Thanks in advanceHi,
If I understand correctly you are trying to do inter-vlan routing, for packest to pass from one vlan/subnet to another it must be routed, than can be done by using a layer 3 switch ( the most optimal way ) or by using a router with a layer 2 witch, if you are using a router the router must have an interface in each vlan, you can also use sub-interfaces if the router you are using supports it. Another thing I noticed on your switch is that your ports are configured as trunks, this may not work well unless you know exactly what you are doing and you have a specific need. -
SG200-26 26-Port Gigabit Smart Switch - MTU settings
SG200-26 26-Port, firmware 1.3.7.18
I have MTU mismatch on the network and the last device that can be responsible for the mismatch is my Cisco SG200-26. I was looking long and hard for where I can at least check what is the value of MTU on the switch but I can't find it. Ideally I would like to know not only where to check it but also where to change it. Can you please help?
Many thanks,
JayHi Jay,
I am not very sure if this is the correct location to find the MTU, but you may check the following link:-
http://www.cisco.com/c/dam/en/us/td/docs/switches/lan/csbss/sf20x_sg20x/administration_guide/78-21139.pdf
Administration > Discovery - LLDP > LLDP Local Information
LLDP Port Status Table
LLDP Local Information Details
802.3 Details
Let me know if this helps.
Aniket -
SR2016T-EU 16 PORT GIGABIT UNMANAGED SWITCH
I bought the above mentioned model few days before for my small business of internet cafe with 16 computers by accepting the advice given by the
person who sold me this apparatus inorder to have equal and good connection for all the computers.i just want to make sure if this apparatus is the right one for the purpose i want to use for.for your information i am using a wired network.would you please give me your advice if i a on the right direction to suceed in my business.thank youNever mind.
While at my desktop machine, I absentmindedly configured my network preferences for PPPOE, instead of leaving it to the router.
Once I adjusted my desktop machine for DHCP, all was well....
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