Hi I have two problems with a installation that has many switches.
I have a C2948G-L3 to do the routing, a C4912G where came many C3524XL.
I have put 3 vlan's in the C4912G that are propagated by 802.1Q to the switches C3524XL.
The C2948G-L3 is attached to the C4912G too and has three subinterfaces with 802.1Q, each one for a different vlan.
The users in the vlan 1 in the C2948G-L3 have a very low conection with others vlan 1 users in others switches.
But they conect fast with vlan 2 or 3 users in others switches.
What can I do?
cpd_2948G-L3#sh run
Building configuration...
Current configuration:
!
version 12.0
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname 2948G-L3
!
boot system flash cat2948g-in-mz.120-25.W5.27
!
ip subnet-zero
bridge irb
!
!
!
interface FastEthernet1
no ip address
no ip directed-broadcast
bridge-group 1
!
interface FastEthernet2
no ip address
no ip directed-broadcast
bridge-group 1
!
interface FastEthernet47
no ip address
no ip directed-broadcast
bridge-group 1
!
interface FastEthernet48
no ip address
no ip directed-broadcast
bridge-group 1
!
interface GigabitEthernet49
no ip address
no ip directed-broadcast
!
interface GigabitEthernet49.1
encapsulation dot1Q 1 native
no ip directed-broadcast
bridge-group 1
!
interface GigabitEthernet49.2
encapsulation dot1Q 2
no ip directed-broadcast
bridge-group 2
!
interface GigabitEthernet49.3
encapsulation dot1Q 3
no ip directed-broadcast
bridge-group 3
!
interface GigabitEthernet50
no ip address
no ip directed-broadcast
!
interface BVI1
ip address 192.168.60.182 255.255.255.0
no ip directed-broadcast
no ip route-cache cef
!
interface BVI2
ip address 192.168.151.254 255.255.255.0
no ip directed-broadcast
no ip route-cache cef
!
interface BVI3
ip address 192.168.152.254 255.255.255.0
no ip directed-broadcast
no ip route-cache cef
!
ip classless
ip route 0.0.0.0 0.0.0.0 192.168.60.3
!
bridge 1 protocol ieee
bridge 1 route ip
bridge 2 protocol ieee
bridge 2 route ip
bridge 3 protocol ieee
bridge 3 route ip
!
line con 0
transport input none
line aux 0
xxxxx
password xxx
login
!
end
And the C4912G is:
cpd_4912G> (enable)
begin
!
#version 4.5(3)
!
!
!
set interface sc0 up
set interface sl0 0.0.0.0 0.0.0.0
#vtp
set vtp domain sabadell
set vtp mode server
set vtp v2 enable
set vtp pruning disable
set vtp pruneeligible 2-1000
clear vtp pruneeligible 1001-1005
set vlan 1 name default type ethernet mtu 1500 said 100001 state active
set vlan 2 name red_151 type ethernet mtu 1500 said 100002 state active
set vlan 3 name red_152 type ethernet mtu 1500 said 100003 state active
set vlan 1005 name trbrf-default type trbrf mtu 4472 said 101005 state active bridge 0xf stp ibm
set vlan 1003 name trcrf-default type trcrf mtu 4472 said 101003 state active parent 1005 ring 0xccc mode srb aremaxhop 7 stemaxhop 7
!
#vlan 1
set spantree enable 1
set spantree fwddelay 15 1
set spantree hello 2 1
set spantree maxage 20 1
set spantree priority 32768 1
#vlan 2
set spantree enable 2
set spantree fwddelay 15 2
set spantree hello 2 2
set spantree maxage 20 2
set spantree priority 32768 2
#vlan 3
set spantree enable 3
set spantree fwddelay 15 3
set spantree hello 2 3
set spantree maxage 20 3
set spantree priority 32768 3
!
#set boot command
set boot config-register 0x2
set boot system flash bootflash:
#module 1 : 0-port Switching Supervisor
set module name 1
!
#module 2 : 12-port 1000BaseX Ethernet
set module name 2
set module enable 2
set vlan 1 2/1-12
set port channel 2/1-4 off
set port channel 2/5-8 off
set port channel 2/9-12 off
set port channel 2/1-2 on
set port channel 2/3-4 auto
set port channel 2/5-8 auto
set port channel 2/9-12 auto
set port enable 2/1-12
set port level 2/1-12 normal
set port duplex 2/1-12 full
set port trap 2/1-12 disable
set port name 2/1-12
set port security 2/1-12 disable
set port membership 2/1-12 static
set port protocol 2/1-12 ip on
set port protocol 2/1-12 ipx auto
set port negotiation 2/1-12 enable
set port flowcontrol send 2/1-12 desired
set port flowcontrol receive 2/1-12 off
set cdp enable 2/1-12
set cdp interval 2/1-12 60
set trunk 2/1 on dot1q 1-1005
set trunk 2/2 on dot1q 1-1005
set trunk 2/3 on dot1q 1-1005
set trunk 2/4 on dot1q 1-1005
set trunk 2/5 on dot1q 1-1005
set trunk 2/6 on dot1q 1-1005
set trunk 2/7 auto dot1q 1-1005
set trunk 2/8 on dot1q 1-1005
set trunk 2/9 on dot1q 1-1005
set trunk 2/10 on dot1q 1-1005
set trunk 2/11 auto dot1q 1-1005
set trunk 2/12 on dot1q 1-1005
end
