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Question : Configuring VLANS with Cisco 3508 and getting line protocol up.
Hi all,
I need some help getting my 3508 up and running. We just purchased it to expand the fiber runs coming from the plant IDF's and so far i can go into any of my 3524's, 3550's or core 4000 switch and get instant connectivity. What i am trying to do now is take those fiber runs and patch them all to this 3508 and them send them to the core switch.
I have a management VLAN which is VLAN1. All of my routers and switches are on this VLAN for management purposes but data etc seems to pass over it as well just fine. I have 2 other VLANS on my core switch VLAN10 which is for phones (we hace VoIP) and then VLAN20 for data.
Ok so again I can take a 3524 switch with a fiber module in it and plug into the fiber in interface gigabitethernet 0/1 and then patch gigabitethernet 0/2 to the core switch and things hum right along perfectly. However if i take that same connection or any for that matter and connect to my 3508 i cannot get them to talk at all. All i get is VLAN1 is up, Line protocol is down. (not administratively down).
Here is the config from the 3508 minus the password etc...
Current configuration:
!
version 12.0
no service pad
no service timestamps debug uptime
no service timestamps log uptime
service password-encryption
!
hostname MDF_2_3508G
!
ip subnet-zero
!
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 1,10,20,1002-1005
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/3
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/4
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/5
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/6
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/7
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/8
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface VLAN1
ip address 192.168.1.12 255.255.255.0
no ip directed-broadcast
no ip route-cache
shutdown
!
interface VLAN10
description Voice
no ip directed-broadcast
no ip route-cache
!
interface VLAN20
description Data
no ip directed-broadcast
no ip route-cache
shutdown
!
ip default-gateway 192.168.1.1
logging trap debugging
logging 10.0.0.254
snmp-server engineID local
snmp-server community blahblahblah RO
!
line con 0
password 7 024C4A722F575F15
login
transport input none
stopbits 1
line vty 0 4
line vty 5 15
login
!
end
As you can see all i want to do is get things talking over VLAN1. for instance i took my spare 3524 and have these both on my desk. I have them connected to eachother via fiber both on interface gigabitethernet 0/1. Now if i take my 3524 into the server room and tap it into any other switch at all via fiber it instantly comes up and works and accesses everything. Sorry for the long post but i will put my 3524 config here also because maybe there is something obvious as to why it works and my 3508 doesn't. Here is my 3524 config minus all the ethernet port stuff to minimize space. I will just put one of them and then the 2 gigabit ethernet interfaces etc.
sh run
Building configuration...
Current configuration:
!
version 12.0
no service pad
no service timestamps debug uptime
no service timestamps log uptime
service password-encryption
!
hostname MDF_3
!
no logging console
enable password
!
ip subnet-zero
!
interface FastEthernet0/1
switchport trunk encapsulation dot1q
switchport trunk native vlan 20
switchport mode trunk
switchport voice vlan 10
spanning-tree portfast
!
interface GigabitEthernet0/1
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface GigabitEthernet0/2
switchport trunk encapsulation dot1q
switchport mode trunk
spanning-tree portfast
!
interface VLAN1
ip address 192.168.1.6 255.255.255.0
no ip directed-broadcast
no ip route-cache
!
logging trap debugging
logging 10.0.0.254
snmp-server engineID local
snmp-server community blahblahblah RO
!
line con 0
login
transport input none
stopbits 1
line vty 0 4
login
line vty 5 15
login
!
end
Thanks in advance and hope someone can help me. I have to have this up and running by Monday.
Maestro2be
Answer : Configuring VLANS with Cisco 3508 and getting line protocol up.
Closed, 500 points refunded.
modulo
Community Support Moderator
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