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тАО10-21-2008 01:08 AM
тАО10-21-2008 01:08 AM
Trunk and VLANS between switches
we're useing a trunk connection between our switches for transporting the vlans from switch A to switch B.
I add a static trunk at every switch for transporting the vlans. But it didn't get a proper connection.
Any idea? Or do you need our config?
Thanks....
Bjoern
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тАО10-21-2008 01:17 AM
тАО10-21-2008 01:17 AM
Re: Trunk and VLANS between switches
Please show your config and the commands you use to set up the trunk.
How do you see that it is not a proper connection? What kind of errors are you experiencing?
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тАО10-21-2008 01:26 AM
тАО10-21-2008 01:26 AM
Re: Trunk and VLANS between switches
Switch A:
Startup configuration:
; J4865A Configuration Editor; Created on release #G.07.107
hostname "Switch A"
snmp-server contact "ME"
snmp-server location "IT"
cdp run
mirror-port H20
no web-management
web-management ssl
no telnet-server
module 1 type J4908A
module 2 type J4862B
module 3 type J4862B
module 4 type J4862B
module 5 type J4862B
module 6 type J4862B
module 7 type J4862B
module 8 type J4862B
interface A1
name "SwitchConnection"
no lacp
exit
interface A2
name "SwitchConnection"
no lacp
exit
interface A3
name "WhatsUP"
no lacp
exit
interface F7
no lacp
exit
interface H20
no lacp
exit
interface H21
no lacp
exit
interface H22
name "Trunk-Port"
lacp Active
exit
(...)
trunk A1-A2 Trk6 Trunk
trunk A3 Trk1 Trunk
ip default-gateway 172.16.1.1
snmpv3 enable
snmpv3 only
snmpv3 user "initial"
snmpv3 user "snmp_user"
snmpv3 group ManagerPriv user "snmp_user" sec-model ver3
snmp-server community "SA_Og2_241" Unrestricted
snmp-server host 172.16.2.27 "public"
snmp-server host 172.16.2.41 "public"
vlan 1
name "DEFAULT_VLAN"
forbid F4-F6
untagged A4-A22,B1-B24,C1-C24,D1-D24,E1-E24,F7-F24,G1-G24,H1-H24,Trk1,Trk6
ip address 172.16.2.29 255.255.0.0
no untagged F1-F6
exit
vlan 4
name "VLAN1"
untagged F1-F4,F6
tagged F5
exit
vlan 7
name "Printer"
exit
vlan 5
name "Devel"
tagged F5
exit
stack join 001321199200
aaa authentication port-access eap-radius
radius-server host 172.16.2.100 key GEHEIM
radius-server host 172.16.2.105 key GEHEIM
ip ssh
aaa port-access authenticator active
spanning-tree Trk1 priority 4
spanning-tree Trk6 priority 4
password manager
password operator
Switch B:
Startup configuration:
; J4865A Configuration Editor; Created on release #G.07.107
hostname "Server-1000MBit (Mitte)"
snmp-server contact "Oliver Wollmann"
snmp-server location "IT"
time timezone 1
cdp run
no web-management
web-management ssl
no telnet-server
module 1 type J4908A
module 3 type J4908A
module 2 type J4908A
module 4 type J4908A
module 5 type J4862B
module 6 type J4862B
module 8 type J4862B
module 7 type J4908A
interface A1
name "SwitchConnection"
no lacp
exit
interface A2
name "SwitchConnection"
no lacp
exit
interface E3
no lacp
exit
interface E4
name "Trunk-Port"
no lacp
exit
interface E5
name "Trunk-Port"
exit
interface E6
name "Trunk-Port"
exit
interface E22
name "Trunk-Port"
exit
interface E23
name "Trunk-Port"
exit
interface E24
name "Trunk-Port"
exit
interface H11
no lacp
exit
interface G7
no lacp
exit
interface G10
name "Buero_Nummer_274"
no lacp
exit
interface G13
name "StorageLAN"
no lacp
exit
interface G14
name "StorageLAN"
no lacp
exit
(...)
trunk G13-G14 Trk1 Trunk
trunk G15-G16 Trk2 Trunk
trunk G17-G18 Trk3 Trunk
trunk A1-A2 Trk6 Trunk
trunk G19-G20 Trk4 Trunk
trunk E3-E4 Trk5 Trunk
ip default-gateway 172.16.1.1
no timesync
snmpv3 enable
snmpv3 only
snmpv3 user "initial"
snmpv3 user "snmp_user"
snmp-server community "SA_Og2_241"
vlan 1
name "DEFAULT_VLAN"
untagged A5,A13-A22,B1,B3-B15,B17-B22,C1-C10,C12-C22,D1-D22,E1-E2,E7-E24,F11,
F16-F17,F19-F23,G1-G9,G21-G22,H1-H4,H6-H24,Trk5-Trk6
ip address 172.16.2.30 255.255.0.0
no untagged A3-A4,A6-A12,B2,B16,C11,E5-E6,F1-F10,F12-F15,F18,F24,G10-G12,H5,T
rk1-Trk4
exit
vlan 3
name "Video"
untagged C11,F6,F13-F15,F18,F24
exit
vlan 10
name "Storage"
untagged A9-A12,G10-G12,Trk1-Trk4
exit
vlan 11
name "DMZ1"
untagged F7-F8
tagged F1-F5
exit
vlan 12
name "DMZ2"
untagged F9-F10
tagged F1-F5
exit
vlan 7
name "Printer"
untagged A6,E5-E6,F12,H5
tagged F1-F5
exit
vlan 5
name "Devel"
untagged B2
tagged A3-A4,A7-A8,B16,D4
exit
stack commander "Serverraum"
stack member 1 mac-address 001321e4b600
stack member 2 mac-address 0019bbc2b700
aaa authentication port-access eap-radius
radius-server host 172.16.2.100 key SECRET
radius-server host 172.16.2.105 key SECRET
ip ssh
aaa port-access authenticator active
spanning-tree Trk1 priority 4
spanning-tree Trk2 priority 4
spanning-tree Trk3 priority 4
spanning-tree Trk4 priority 4
spanning-tree Trk5 priority 4
spanning-tree Trk6 priority 4
password manager
password operator
Thanks,
Bjoern
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тАО10-21-2008 01:39 AM
тАО10-21-2008 01:39 AM
Re: Trunk and VLANS between switches
Hello Bjoern!
From a quick view the trunk looks correct! From which VLAN do you try to ping one device from the switch A to B?
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тАО10-21-2008 01:50 AM
тАО10-21-2008 01:50 AM
Re: Trunk and VLANS between switches
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тАО10-21-2008 02:32 AM
тАО10-21-2008 02:32 AM
Re: Trunk and VLANS between switches
I do not see that you carry VLAN5 over the trunk-link, Trk6? If not, then the VLAN5 ports are isolated on the two switches.
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тАО10-21-2008 03:33 AM
тАО10-21-2008 03:33 AM
Re: Trunk and VLANS between switches
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тАО10-21-2008 03:39 AM
тАО10-21-2008 03:39 AM
Re: Trunk and VLANS between switches
Yes, all VLANs that you have on both switches must be included as tagged on the link connecting the two switches, in this case the Trk6-trunk.
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тАО10-21-2008 03:58 AM
тАО10-21-2008 03:58 AM
Re: Trunk and VLANS between switches
What do you think, is this a weekend job? Or is it also possible to do this job during office time.
Bjoern
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тАО10-21-2008 04:02 AM
тАО10-21-2008 04:02 AM
Re: Trunk and VLANS between switches
You only need to add the VLANs that actually does exist on both side of the trunk, if you have some VLAN with ports only on switch B then you do not have do anything.
Adding the new VLANs to the trunk will not disturb any of your current operations, so it should be safe to do it during workhours.