From: Mounir Mohamed (mounir.mohamed@gmail.com)
Date: Wed Jul 25 2007 - 03:58:13 ART
Try to reload both routers through the dynagen process.
On 7/25/07, subodh.rawat@wipro.com <subodh.rawat@wipro.com> wrote:
>
> Thanks Mounir,
>
> I think this might be the problem because I am using Dynamips, not real
> Catalyst 3560 switch.
>
> I have used 3640 router with NM-16ESW in Dynamips.
>
> Can someone confirm (if ever faced this problem) if this is really because
> of Dynamips?
>
> Regards
> Subodh
>
> ------------------------------
> *From:* Mounir Mohamed [mailto:mounir.mohamed@gmail.com]
> *Sent:* Wednesday, July 25, 2007 12:20 PM
> *To:* Subodh Singh Rawat (WT01 - TELECOM SERVICE PROVIDER)
> *Cc:* ccielab@groupstudy.com
> *Subject:* Re: Basic switching trunking question..please answer
>
>
> Dear Subodh,
>
> Am upload your config to 2-3560 with ip routing disabled and everything
> working fine
>
>
> SW1
> interface FastEthernet0/7
> switchport trunk encapsulation dot1q
> switchport mode trunk
>
> interface Vlan5
> ip address 5.5.5.1 255.255.255.0
>
> ------------------------------------
>
> SW2
> interface FastEthernet0/7
> end
>
> interface Vlan5
> ip address 5.5.5.2 255.255.255.0
>
>
> sw1#show interfaces tru
>
> Port Mode Encapsulation Status Native vlan
> Fa0/7 on 802.1q trunking 1
>
> Port Vlans allowed on trunk
> Fa0/7 1-4094
>
> Port Vlans allowed and active in management domain
> Fa0/7 1-3,5,9-10,500
>
> sw2#ping 5.5.5.1
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 5.5.5.1, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/8 ms
> sw2#exit
>
> [Connection to sw2 closed by foreign host]
> sw1#ping 5.5.5.2
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 5.5.5.2, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/9 ms
> sw1#
> So make sure that the VLAN u working on allowed on the trunk and not
> pruned (If pruning enabled)
>
> Best Regards,
> Mounir Mohamed
>
>
>
> 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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>
>
>
> --
> Best Reagrds,
> Mounir Mohamed
> The information contained in this electronic message and any attachments
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> may contain proprietary, confidential or privileged information. If you are
> not the intended recipient, you should not disseminate, distribute or copy
> this e-mail. Please notify the sender immediately and destroy all copies of
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-- Best Reagrds, Mounir Mohamed
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