Re: Basic switching trunking question..please answer

From: ahmet seckin (elektronikadam@yahoo.com)
Date: Wed Jul 25 2007 - 07:22:15 ART


Hi Suboth,
I have just received this mail after I send my first rely. And now I see that your problem is using 2 modules. If you change your topology to work only one port, you will be fine.
Regards
Kerim

----- Original Message ----
From: "subodh.rawat@wipro.com" <subodh.rawat@wipro.com>
To: mounir.mohamed@gmail.com
Cc: djerk@djerk.nl; tohsoon28@gmail.com; ccielab@groupstudy.com
Sent: Wednesday, July 25, 2007 10:40:58 AM
Subject: RE: Basic switching trunking question..please answer

Please can u share ur .Net file? I have connected on F1/7 of Sw1 to Sw2
F1/7 and I think this only required.

Mine is below:

[[Router SW1]]

model = 3640

console = 2007

autostart = False

slot0 = NM-16ESW

slot1 = NM-16ESW

F1/7 = SW2 F1/7

[[Router SW2]]

model = 3640

console = 2008

autostart = False

slot0 = NM-16ESW

slot1 = NM-16ESW

Regards
Subodh

________________________________

From: Mounir Mohamed [mailto:mounir.mohamed@gmail.com]
Sent: Wednesday, July 25, 2007 2:55 PM
To: Subodh Singh Rawat (WT01 - TELECOM SERVICE PROVIDER)
Cc: djerk@djerk.nl; tohsoon28@gmail.com; ccielab@groupstudy.com
Subject: Re: Basic switching trunking question..please answer

Dear Subodh,

Am also uploded ur config to 2 switches on dynagen and everthing working
fine, erase ur config and do it again.

sw1#show run int f1/7
Building configuration...

Current configuration : 56 bytes
!
interface FastEthernet1/7
switchport mode trunk
end

sw1#show run int vlan 3
Building configuration...

Current configuration : 57 bytes
!
interface Vlan3
ip address 3.3.3.1 255.255.255.0
end

sw1#show vtp status
VTP Version : 2
Configuration Revision : 1
Maximum VLANs supported locally : 256
Number of existing VLANs : 6
VTP Operating Mode : Server
VTP Domain Name : cisco

sw1#show vlan-switch

VLAN Name Status Ports
---- -------------------------------- ---------
-------------------------------
1 default active Fa1/0, Fa1/1, Fa1/2,
Fa1/3
                                                Fa1/4, Fa1/5, Fa1/6,
Fa1/8
                                                Fa1/9, Fa1/10, Fa1/11,
Fa1/12
                                                Fa1/13, Fa1/14, Fa1/15
3 VLAN0003 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active

VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1
Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------
------
1 enet 100001 1500 - - - - - 1002
1003
3 enet 100003 1500 - - - - - 0
0

sw1#telnet 3.3.3.2
Trying 3.3.3.2 ... Open

User Access Verification

Password:
sw2>ena
Password:
sw2#show run int f1/7
Building configuration...

Current configuration : 56 bytes
!
interface FastEthernet1/7
switchport mode trunk

sw2#show run int vlan 3
Building configuration...

Current configuration : 57 bytes
!
interface Vlan3
ip address 3.3.3.2 255.255.255.0
end

sw2#show vtp stat
sw2#show vtp status
VTP Version : 2
Configuration Revision : 1
Maximum VLANs supported locally : 256
Number of existing VLANs : 6
VTP Operating Mode : Client
VTP Domain Name : cisco

sw2#show vlan-switch

VLAN Name Status Ports
---- -------------------------------- ---------
-------------------------------
1 default active Fa1/0, Fa1/1, Fa1/2,
Fa1/3
                                                Fa1/4, Fa1/5, Fa1/6,
Fa1/8
                                                Fa1/9, Fa1/10, Fa1/11,
Fa1/12
                                                Fa1/13, Fa1/14, Fa1/15
3 VLAN0003 active
1002 fddi-default active
1003 token-ring-default active
1004 fddinet-default active
1005 trnet-default active

Best Regards,
Mounir Mohamed

On 7/25/07, subodh.rawat@wipro.com <subodh.rawat@wipro.com> wrote:

    sw1#sh int fa1/7 switchport
    Name: Fa1/7
    Switchport: Enabled
    Administrative Mode: trunk
    Operational Mode: trunk
    Administrative Trunking Encapsulation: dot1q
    Operational Trunking Encapsulation: dot1q
    Negotiation of Trunking: Disabled
    Access Mode VLAN: 0 ((Inactive))
    Trunking Native Mode VLAN: 1 (default)
    Trunking VLANs Enabled: ALL
    Trunking VLANs Active: 1,3
    Priority for untagged frames: 0
    Override vlan tag priority: FALSE
    Voice VLAN: none
    Appliance trust: none

    sw2#sh int fa1/7 switchport
    Name: Fa1/7
    Switchport: Enabled
    Administrative Mode: trunk
    Operational Mode: trunk
    Administrative Trunking Encapsulation: dot1q
    Operational Trunking Encapsulation: dot1q
    Negotiation of Trunking: Disabled
    Access Mode VLAN: 0 ((Inactive))
    Trunking Native Mode VLAN: 1 (default)
    Trunking VLANs Enabled: ALL
    Trunking VLANs Active: 1,3
    Priority for untagged frames: 0
    Override vlan tag priority: FALSE
    Voice VLAN: none
    Appliance trust: none

    -----Original Message-----
    From: Djerk Geurts [mailto:djerk@djerk.nl]
    Sent: Wednesday, July 25, 2007 2:18 PM
    To: 'Toh Soon, Lim'; Subodh Singh Rawat (WT01 - TELECOM SERVICE
    PROVIDER)
    Cc: ccielab@groupstudy.com
    Subject: RE: Basic switching trunking question..please answer

    Add the following to the list from both switches:
    - sh int f0/7 switch

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
Behalf
> Of Toh Soon, Lim
> Sent: woensdag 25 juli 2007 7:34
> To: subodh.rawat@wipro.com
> Cc: ccielab@groupstudy.com
> Subject: Re: Basic switching trunking question..please answer
>
> Hi Subodh,
>
> Your configs look fine to me. This simple setup should work
without
> issue.
>
> Anyway, can you provide us outputs of the following commands:
>
> - sh ip arp vl 3
> - sh spann vl 3
> - sh int status
> - sh int trunk
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
>
>
> On 7/25/07, subodh.rawat@wipro.com <subodh.rawat@wipro.com>
wrote:
> >
> > Hi Champs,
> >
> > A basic switching problem I am facing. Please see the
diagram below:
> >
> >
> > --- f1/7 f1/7 ---
> > |sw1|--------------------------------|sw2|
> > --- dot1Q Trunk ---
> >
> >
> > Switch 1 is VTp Server with domain CISCO Switch 2 is VTP
Client with

> > domain CISCO port f1/7 is configured as Dot1q encapsulation
on both
> > the switches.
> > Only one VLAN, i.e. VLAN 3 is added on Sw1 and Same is
> reflected in Sw2
> > too when I see "show vtp status"
> > and "show vlan brief" command. Please note that this VLAn is
not
> > associated with any physical interface of switch.
> >
> > When I see "sh int fa1/7 trunk" on both the switches, it
shows as
> > trunking with dot1q encapsulation.
> >
> > IP address of VLAn 3 on SW1 is 3.3.3.1/24 while on sw2 is
> 3.3.3.2/24.
> >
> > "sh ip int br" also shows up,up for fa1/7 and vlan 3.
> >
> > I am not able to ping 3.3.3.1 from sw2 and 3.3.3.2 from
> sw1. However, I
> > can ping Ip of own switch, i.e. 3.3.3.2 from sw2 and
> 3.3.3.1 from sw1.
> >
> > Can somebody tell me what is wrong with my configuration?
> >
> > Another good thing is that, when I see "show cdp entry *"
> from either
> > switches, it shows information about other switch. e.g.
> when I see "show
> > cdp entry *" from sw1, it shows IP address of 3.3.3.2 (of
> sw2) in its
> > CDP database. It means layer 2 is working perfect and
> trunking is also
> > perfect. Trunking is working fine can be verified from the
> result that
> > VLAN 3 is present on sw2 which is VTP client for CISCO VTP
domain.
> >
> > I am not sure why I am not able to ping VLAN 3 IP address
> of each other
> > switches.
> >
> >
> >
> > My configuration is below:
> >
> > Sw1
> > interface FastEthernet1/7
> > switchport trunk encapsulation dot1q switchport mode trunk !
> > interface Vlan3
> > ip address 3.3.3.1 255.255.255.0
> >
> > Sw2
> > interface FastEthernet1/7
> > switchport trunk encapsulation dot1q
> > switchport mode trunk
> > !
> > interface Vlan3
> > ip address 3.3.3.2 255.255.255.0
> >
> >
> > CDP output:
> > sw1#sh cdp entry *
> > -------------------------
> > Device ID: sw2
> > Entry address(es):
> > IP address: 3.3.3.2
> > Platform: Cisco 3640, Capabilities: Router Switch IGMP
> > Interface: FastEthernet1/7, Port ID (outgoing port):
> FastEthernet1/7
> > Holdtime : 128 sec
> >
> > Version :
> > Cisco IOS Software, 3600 Software (C3640-IS-M), Version
> 12.4(8), RELEASE
> > SOFTWAR
> > E (fc1)
> > Technical Support: http://www.cisco.com/techsupport
> > Copyright (c) 1986-2006 by Cisco Systems, Inc.
> > Compiled Mon 15-May-06 16:27 by prod_rel_team
> >
> > advertisement version: 2
> > VTP Management Domain: 'cisco'
> > Duplex: full
> >
> >
> > Regards
> > Subodh
> >
> >
> >
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> >
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