From: Sasa Milic (smilic2@pexim.co.yu)
Date: Fri Mar 09 2007 - 12:05:57 ART
"show run" on switch shows that port is in vlan 3, yet there is no vlan 3 in
"show vlan" from switch ?!
Fa0/3 and Fa0/8 are in vlan7, not fa0/2 ...
Sasa
----- Original Message -----
From: "Edward Norton" <doubleccie@yahoo.com>
To: "Muizebelt Danny" <Danny.Muizebelt@osiatis.at>; <ccielab@groupstudy.com>
Sent: Friday, March 09, 2007 3:43 PM
Subject: RE: simple problem
>I have checked all what you mentioned ...and the other post too
>
> 1-the router is connected to the correct vlan , according to show vlan
> and show interface status on the switch
>
> 2- the vlan is created properly , there is another router on the same
> vlan able to ping the switch (.8) successfully
>
>
> when i did show arp ..i can see the entry showing incomplete
>
> R2#show arp
> Protocol Address Age (min) Hardware Addr Type Interface
> Internet 20.1.23.2 - 0010.7b04.8712 ARPA
> FastEthernet1/1
> Internet 20.1.23.8 0 Incomplete ARPA
>
>
>
> here is some switch shows
>
> VLAN Name Status Ports
> ---- -------------------------------- --------- -------------------------------
> 1 default active Fa0/10, Fa0/11, Fa0/12,
> Fa0/15
> Fa0/21, Gi0/1, Gi0/2
> 6 Vlan_r6 active
> 7 vlan_r2r3 active Fa0/3, Fa0/8
>
> show run on the switch
>
>
> !
> interface FastEthernet0/2
> description To R2
> switchport access vlan 3
> switchport mode access
> !
> !
> interface Vlan7
> ip address 20.1.23.8 255.255.255.0
> !
>
>
>
>
> can this be a hardware problem on my router ??
>
>
>
>
>
> Muizebelt Danny <Danny.Muizebelt@osiatis.at> wrote:
> You have a L3-->L2 mapping problem. In other words, your L3 to L2 address
> mapping table is not correctly filled out, it's your ARP table.
>
> So now you have to figure out why the 20.1.23.8 address does not get
> resolved correctly. Line protocol on the router is up else he wouldn't try
> to send it out to the switch so now we have the following possible
> problems:
>
> - the 3620 is not connected to the correct vlan.
> - check if the port is in access mode
> - check if the vlan in up/up
> - And finally (this is my guess) the vlan you use is not defined in the
> vlan database
>
> Let me know what it was.
>
> -Danny
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Edward Norton
> Sent: Freitag, 09. Mdrz 2007 14:19
> To: ccielab@groupstudy.com
> Subject: simple problem
>
> guys
> .a router (3620) connected to switch and im trying to ping from the router
> to the switch vlan interface , for some unknown reason .. ping is not
> successful ...configuration on the router is very simple as
> !
> interface FastEthernet0/1
> ip address 20.1.23.2 255.255.255.0
> duplex auto
> speed auto
> !
>
> on the switch
> !
> interface Vlan7
> ip address 20.1.23.8 255.255.255.0
> !
>
> interfaces are UP ...vlan is configured properly .
>
> when i did debug to see why it is not pinging ..i got an encasultion
> failure ..routed via RIB ...wat is that ???
>
>
> *Mar 1 00:17:35.207: IP: s=20.1.23.2 (local), d=20.1.23.8
> (FastEthernet0/1), le
> n 100, encapsulation failed
> *Mar 1 00:17:35.207: ICMP type=8, code=0.
> *Mar 1 00:17:37.207: IP: tableid=0, s=20.1.23.2 (local), d=20.1.23.8
> (FastEther
> net0/1), routed via RIB
> *Mar 1 00:17:37.207: IP: s=20.1.23.2 (local), d=20.1.23.8
> (FastEthernet0/1), le
> n 100, sending
> *Mar 1 00:17:37.207: ICMP type=8, code=0
> *Mar 1 00:17:37.207: IP: s=20.1.23.2 (local), d=20.1.23.8
> (FastEthernet0/1), le
> n 100, encapsulation failed
> *Mar 1 00:17:37.207: ICMP type=8, code=0.
> Success rate is 0 percent (0/5)
>
>
>
>
> any help is appreciated
>
>
> ReGaRdS
>
>
>
>
>
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