10-01-2010 05:50 AM - edited 03-03-2019 06:04 AM
Dear all
I'm having a very strange situation here (at least for me)
we have 4 core switches
2 x WS-C3750G-24T-S Catalyst 3750 24 10/100/1000T + IPB Image
and
2 x WS-C3750G-12S-S Catalyst 3750 12 SFP + IPB Image
Stack configuration is done this way
when the switches are powered on, the first two SFP core switches are seen as a single stack with the stack master LED turned green on the first switch
the other two (24 10/100/1000T) switches have the RPS LEDs always green, mode cannot be changed, and cannot be accessed by Console connection
but when the (24 10/100/1000T) are powered off, the first (SFP) switch in the stack reports that " Switch 3 and 4 has been removed from Stack "
which means they are stacked but there's something wrong, because
only the SFP ports are shown in the " Show interfaces status " , the ethernet ports of the bottom switches are not present !!!
can you please tell me what's the poblem ?
10-05-2010 03:14 PM
Hi Amr,
If you do a show switch detail do you see ALL four switches listed....and are their state's set to Ready? Here's an example of what it should look like;
router#show switch detail
Switch/Stack Mac Address : 2893.fedd.2780
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 2893.fedd.2780 10 0 Ready
2 Member 0023.ea4b.c380 1 0 Ready
3 Member 0023.ea4b.c500 1 0 Ready
Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Ok 2 3
2 Ok Ok 3 1
3 Ok Ok 1 2
If you do see all 4 switches listed in Ready state, then it's most probably a configuration issue. If you cannot see the interfaces on the third and forth switch when you do a show int status form the master switch, you might need to renumber the third and forth switch [ router(config)#switch 1 renumber 3 ]. However, you might have to console onto the third and forth switch to do it. Once you renumber it, you'll need to un-provision the old switch number that was assigned to it [ router(config)#no switch 1 provision ].
To make sure you've renumber it correctly, if you stay consoled onto the third switch and do a show int status, your interfaces should now be seen as 3/0/1
3/0/2
3/0/3 etc etc.
The same applies to the forth switch.
DK
10-11-2010 04:05 AM
Dear Daniel
Sorry for my delayed response but i was actually quite busy
but the problem was actually in another sense
the default profile for the Catalyst 3750 SFP is the Aggregate SDM Template
while the 3750 10/100/1000 ethernet Switch Default SDM profile was Desktop profile
so i had an SDM mismatch
DATACENTER#sh switch detail
Switch/Stack Mac Address : 081f.f3cf.1c80
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 081f.f3cf.1c80 1 0 Ready
2 Member 081f.f3cf.5900 1 0 Ready
3 Member aca0.16ac.0180 1 2 SDM Mismatch
4 Member aca0.16a3.bc80 1 2 SDM Mismatch
Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Ok 2 4
2 Ok Ok 3 1
3 Ok Ok 4 2
4 Ok Ok 1 3
________________________________________________________________
all i did was changing the default profile of the SFP switches into the Desktop Profile and problem was solved
switch 1 provision ws-c3750g-12s
switch 2 provision ws-c3750g-12s
switch 3 provision ws-c3750g-24t
switch 4 provision ws-c3750g-24t
system mtu routing 1500
ip subnet-zero
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
interface GigabitEthernet1/0/1
!
interface GigabitEthernet1/0/2
!
interface GigabitEthernet1/0/3
!
interface GigabitEthernet1/0/4
!
interface GigabitEthernet1/0/5
!
interface GigabitEthernet1/0/6
!
interface GigabitEthernet1/0/7
!
interface GigabitEthernet1/0/8
!
interface GigabitEthernet1/0/9
!
interface GigabitEthernet1/0/10
!
interface GigabitEthernet1/0/11
!
interface GigabitEthernet1/0/12
!
interface GigabitEthernet2/0/1
!
interface GigabitEthernet2/0/2
!
interface GigabitEthernet2/0/3
switchport trunk encapsulation dot1q
switchport mode trunk
!
interface GigabitEthernet2/0/4
!
interface GigabitEthernet2/0/5
!
interface GigabitEthernet2/0/6
!
interface GigabitEthernet2/0/7
!
interface GigabitEthernet2/0/8
!
interface GigabitEthernet2/0/9
!
interface GigabitEthernet2/0/10
!
interface GigabitEthernet2/0/11
!
interface GigabitEthernet2/0/12
!
interface GigabitEthernet3/0/1
!
interface GigabitEthernet3/0/2
!
interface GigabitEthernet3/0/3
!
interface GigabitEthernet3/0/4
!
interface GigabitEthernet3/0/5
!
interface GigabitEthernet3/0/6
!
interface GigabitEthernet3/0/7
!
interface GigabitEthernet3/0/8
!
interface GigabitEthernet3/0/9
!
interface GigabitEthernet3/0/10
!
interface GigabitEthernet3/0/11
!
interface GigabitEthernet3/0/12
!
interface GigabitEthernet3/0/13
!
interface GigabitEthernet3/0/14
!
interface GigabitEthernet3/0/15
!
interface GigabitEthernet3/0/16
!
interface GigabitEthernet3/0/17
!
interface GigabitEthernet3/0/18
!
interface GigabitEthernet3/0/19
!
interface GigabitEthernet3/0/20
!
interface GigabitEthernet3/0/21
!
interface GigabitEthernet3/0/22
!
interface GigabitEthernet3/0/23
!
interface GigabitEthernet3/0/24
!
interface GigabitEthernet4/0/1
!
interface GigabitEthernet4/0/2
!
interface GigabitEthernet4/0/3
!
interface GigabitEthernet4/0/4
!
interface GigabitEthernet4/0/5
!
interface GigabitEthernet4/0/6
!
interface GigabitEthernet4/0/7
!
interface GigabitEthernet4/0/8
!
interface GigabitEthernet4/0/9
!
interface GigabitEthernet4/0/10
!
interface GigabitEthernet4/0/11
!
interface GigabitEthernet4/0/12
!
interface GigabitEthernet4/0/13
!
interface GigabitEthernet4/0/14
!
interface GigabitEthernet4/0/15
!
interface GigabitEthernet4/0/16
!
interface GigabitEthernet4/0/17
!
interface GigabitEthernet4/0/18
!
interface GigabitEthernet4/0/19
!
interface GigabitEthernet4/0/20
!
interface GigabitEthernet4/0/21
!
interface GigabitEthernet4/0/22
!
interface GigabitEthernet4/0/23
!
interface GigabitEthernet4/0/24
that's it !
: D
cheers
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