From: Tarun Pahuja (pahujat@gmail.com)
Date: Sun Nov 11 2007 - 15:52:33 ART
On a standard Ethernet interfaces the native VLAN must be 1, it is a
limitation of Ethernet(10Meg) interface, do you have a router with a fast
Ethernet interface? try replicating the configuration of R4 on a router than
supports Fast Ethernet interfaces(100Meg).
On Nov 11, 2007 1:51 PM, Ernst Pelser <e.pelser@infosecureltd.com> wrote:
> Hi Tarun
> Thanks for your response. Please see below:
> *R1*
> Building configuration...
>
> Current configuration : 710 bytes
> !
> version 12.3
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname R1
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> ip subnet-zero
> ip cef
> !
> !
> no ip domain lookup
> !
> !
> !
> !
> !
> interface Ethernet0/0
> bandwidth 100000
> ip address 16.0.0.1 255.0.0.0
> full-duplex
> !
> interface Serial0/0
> no ip address
> shutdown
> no fair-queue
> !
> interface Serial0/1
> no ip address
> shutdown
> !
> ip http server
> ip classless
> ip route 26.0.0.0 255.0.0.0 16.0.0.6
> !
> !
> alias exec c conf t
> alias exec inb sho ip int brief
> alias exec r show run
> alias exec rb show run | beg
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> line aux 0
> line vty 0 4
> login
> !
> !
> !
> end
>
> *SW1*
> version 12.1
> no service pad
> service timestamps debug uptime
> service timestamps log uptime
> no service password-encryption
> !
> hostname SW1
> !
> !
> ip subnet-zero
> !
> no ip domain-lookup
> !
> spanning-tree mode pvst
> spanning-tree extend system-id
> !
> !
> interface FastEthernet0/1
> switchport access vlan 16
> switchport mode access
> no ip address
> duplex full
> speed 10
> !
> interface FastEthernet0/2
> switchport access vlan 26
> switchport mode access
> no ip address
> !
> interface FastEthernet0/3
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/4
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/5
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/6
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 16
> switchport mode trunk
> no ip address
> shutdown
> duplex full
> speed 10
> !
> interface FastEthernet0/7
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/8
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/9
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/10
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/11
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/12
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/13
> switchport trunk encapsulation dot1q
> switchport trunk native vlan 16
> switchport mode trunk
> no ip address
> shutdown
> !
> interface FastEthernet0/14
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/15
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/16
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/17
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/18
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/19
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/20
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/21
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/22
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/23
> switchport mode dynamic desirable
> no ip address
> !
> interface FastEthernet0/24
> switchport mode dynamic desirable
> no ip address
> !
> interface GigabitEthernet0/1
> switchport mode dynamic desirable
> no ip address
> !
> interface GigabitEthernet0/2
> switchport mode dynamic desirable
> no ip address
> !
> interface Vlan1
> no ip address
> shutdown
> !
> interface Vlan16
> ip address 16.0.0.2 255.0.0.0
> !
> ip classless
> ip http server
> !
> !
> alias exec c conf t
> alias exec inb show ip int brief
> alias exec r show run
> alias exec rb show run | begin
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> line vty 0 4
> login
> line vty 5 15
> login
> !
> end
>
> *R4 (Using R4 only coz my R6 doesn't support trunking on the e0/0)*
> version 12.3
> service timestamps debug datetime msec
> service timestamps log datetime msec
> no service password-encryption
> !
> hostname R4
> !
> boot-start-marker
> boot-end-marker
> !
> !
> no aaa new-model
> ip subnet-zero
> !
> !
> no ip domain lookup
> !
> ip cef
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> !
> interface Ethernet0/0
> no ip address
> full-duplex
> !
> interface Ethernet0/0.16
> encapsulation dot1Q 16 native
> ip address 16.0.0.6 255.0.0.0
> no ip route-cache same-interface
> no snmp trap link-status
> !
> interface Ethernet0/0.26
> encapsulation dot1Q 26
> ip address 26.0.0.6 255.0.0.0
> no snmp trap link-status
> !
> interface Serial0/0
> no ip address
> shutdown
> !
> interface Ethernet0/1
> no ip address
> shutdown
> half-duplex
> !
> interface Serial0/1
> no ip address
> shutdown
> !
> ip http server
> ip classless
> !
> !
> !
> !
> !
> !
> !
> alias exec c conf t
> alias exec inb show ip int brief
> alias exec rb show run | begin
> alias exec r sh run
> !
> line con 0
> exec-timeout 0 0
> logging synchronous
> line aux 0
> line vty 0 4
> login
> !
> !
> end
>
>
> Regards, EP
>
> ------------------------------
> *From:* Tarun Pahuja [mailto:pahujat@gmail.com]
> *Sent:* 11 November 2007 18:38
> *To:* Ernst Pelser
> *Cc:* ccielab@groupstudy.com
> *Subject:* Re: Internetwork experts R&S Adv. Technology v4 - Router on a
> stick and Native VLAN problem
>
> Can you paste the config of the router and the switch please.
> Tarun
>
> On Nov 11, 2007 1:30 PM, Ernst Pelser <ernst.pelser@infosecureltd.com>
> wrote:
>
> > Hi All
> > I'm doing the Internetnetwork experts R&S Adv. Technology v4 - Router on
> > a
> > stick and Native VLAN lab (page 12). I know configuration is correct but
> > I
> > can't seem to ping 16.0.0.6 from R1 (16.0.0.1).
> >
> > When I do a debug ip packet on R1 I get the following:
> >
> > *Mar 1 00:11: 31.353: IP: s=16.0.0.1 (local), d=16.0.0.6 (Ethernet0/0),
> > len
> > 100, encapsulation failed.
> >
> > Doing a debug arp on R4 I get:
> > *Mar 1 00:11:31.927: IP ARP req filtered src 16.0.0.1 0004.c05f.9e00,
> > dst
> > 16.0.0.6 0000.0000.0000 wrong cable, interface Ethernet0/0.
> >
> > I'm running the following devices:
> > R1 = 2611
> > R4 = 3620
> >
> > Any suggestions in what can be causing the problem?
> >
> > Thanks. EP
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Sat Dec 01 2007 - 06:37:29 ART