From: nhatphuc (nhatphuc@gmail.com)
Date: Wed Feb 28 2007 - 16:13:02 ART
Hi Brian,
I think the complete solution for this question would be added "switchport
trunk allowed vlan 6,26" to int f0/6 on SW2 to make my verification output
like yours. Do you have any comment about this?
Thanks
On 3/1/07, Brian Dennis <bdennis@internetworkexpert.com> wrote:
>
> You should read the question very carefully to see if you are actually
> doing
> more than the task asks for.
>
> Also since this is a vendor specific question you should post it to our
> forum.
>
> --
>
> Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP)
> bdennis@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Direct: 775-745-6404 (Outside the US and Canada)
>
>
>
>
> On 2/28/07 8:55 AM, "nhatphuc" <nhatphuc@gmail.com> wrote:
>
> > Thanks DP for replying,
> >
> > In solution, the verification shows that the trunk to sw2 prune some
> vlans.
> >
> > So the solution output wasn't taken from the real devices? Anyone from
> > InternetworkExpert can make this clear?
> >
> > Thanks
> >
> > On 2/28/07, Derek P <rizacer@gmail.com> wrote:
> >>
> >> Without having the lab in front of me.
> >>
> >> I do see f0/6 on SW2 is set for tunking and is requesting all VLAN's
> this
> >> would cause your pruning to look as if its not working.
> >>
> >>
> >> DP
> >>
> >> On 2/27/07, nhatphuc <nhatphuc@gmail.com> wrote:
> >>
> >>> Hi Group,
> >>>
> >>> In Question 1.6, IEWBv4 Lab 2, I configure pruning on SW1, and vtp
> >>> pruning
> >>> is enabled on the other 3 switches. But when showing int trunk, the
> >>> trunk
> >>> link to switch 2 doesn't prune the nonexistence vlans. My config is
> the
> >>> same
> >>> as solution.
> >>>
> >>> What could the problem be?
> >>> If I encounter the same issue in real lab, what should I do to fix the
> >>> problem?
> >>>
> >>> Thanks
> >>>
> >>> This is my config:
> >>>
> >>> SW1#do sh int tru
> >>>
> >>> Port Mode Encapsulation Status Native vlan
> >>> Po1 on isl trunking 1
> >>> Po2 auto n-802.1q trunking 783
> >>> Po3 desirable n-isl trunking 1
> >>>
> >>> Port Vlans allowed on trunk
> >>> Po1 1-4094
> >>> Po2 1-4094
> >>> Po3 1-4094
> >>>
> >>> Port Vlans allowed and active in management domain
> >>> Po1 1,3,5-6,8,10,26,33,52,255,783
> >>> Po2 1,3,5-6,8,10,26,33,52,255,783
> >>> Po3 1,3,5-6,8,10,26,33,52,255,783
> >>>
> >>> Port Vlans in spanning tree forwarding state and not pruned
> >>> Po1 1,3,5-6,8,10,26,33,52,255,783
> >>> Po2 1,33,52,255,783
> >>> Po3 1,255
> >>>
> >>>
> >>> SW1#sh run
> >>> Building configuration...
> >>>
> >>> Current configuration : 2535 bytes
> >>> !
> >>> version 12.2
> >>> no service pad
> >>> service timestamps debug uptime
> >>> service timestamps log uptime
> >>> no service password-encryption
> >>> !
> >>> hostname SW1
> >>> !
> >>> enable password cisco
> >>> !
> >>> aaa new-model
> >>> aaa authentication login default none
> >>> !
> >>> aaa session-id common
> >>> ip subnet-zero
> >>> no ip domain-lookup
> >>> !
> >>> lacp system-priority 1
> >>> no file verify auto
> >>> spanning-tree mode pvst
> >>> spanning-tree extend system-id
> >>> !
> >>> vlan internal allocation policy ascending
> >>> !
> >>> !
> >>> interface Loopback0
> >>> ip address 150.1.7.7 255.255.255.0
> >>> !
> >>> interface Port-channel1
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> !
> >>> interface Port-channel2
> >>> switchport trunk native vlan 783
> >>> !
> >>> interface Port-channel3
> >>> switchport mode dynamic desirable
> >>> !
> >>> interface FastEthernet0/1
> >>> no switchport
> >>> ip address 132.1.17.7 255.255.255.0
> >>> !
> >>> interface FastEthernet0/2
> >>> !
> >>> interface FastEthernet0/3
> >>> switchport access vlan 3
> >>> !
> >>> interface FastEthernet0/4
> >>> !
> >>> interface FastEthernet0/5
> >>> switchport access vlan 5
> >>> !
> >>> interface FastEthernet0/6
> >>> !
> >>> interface FastEthernet0/7
> >>> !
> >>> interface FastEthernet0/8
> >>> !
> >>> interface FastEthernet0/9
> >>> !
> >>> interface FastEthernet0/10
> >>> switchport access vlan 10
> >>> !
> >>> interface FastEthernet0/11
> >>> switchport access vlan 10
> >>> !
> >>> interface FastEthernet0/12
> >>> !
> >>> interface FastEthernet0/13
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/14
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/15
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/16
> >>> switchport trunk native vlan 783
> >>> channel-group 2 mode active
> >>> !
> >>> interface FastEthernet0/17
> >>> switchport trunk native vlan 783
> >>> channel-group 2 mode active
> >>> !
> >>> interface FastEthernet0/18
> >>> switchport trunk native vlan 783
> >>> channel-group 2 mode active
> >>> !
> >>> interface FastEthernet0/19
> >>> switchport mode dynamic desirable
> >>> channel-group 3 mode active
> >>> !
> >>> interface FastEthernet0/20
> >>> switchport mode dynamic desirable
> >>> channel-group 3 mode active
> >>> !
> >>> interface FastEthernet0/21
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/22
> >>> !
> >>> interface FastEthernet0/23
> >>> !
> >>> interface FastEthernet0/24
> >>> !
> >>> interface GigabitEthernet0/1
> >>> !
> >>> interface GigabitEthernet0/2
> >>> !
> >>> interface Vlan1
> >>> no ip address
> >>> shutdown
> >>> !
> >>> interface Vlan783
> >>> ip address 204.12.1.7 255.255.255.0
> >>> !
> >>> ip classless
> >>> ip http server
> >>> ip http secure-server
> >>> !
> >>> !
> >>> radius-server source-ports 1645-1646
> >>> !
> >>> control-plane
> >>> !
> >>> !
> >>> line con 0
> >>> exec-timeout 0 0
> >>> privilege level 15
> >>> logging synchronous
> >>> line vty 0 4
> >>> password cisco
> >>> line vty 5 15
> >>> password cisco
> >>> !
> >>> end
> >>>
> >>>
> >>> SW2#do s run
> >>> Building configuration...
> >>>
> >>> Current configuration : 2109 bytes
> >>> !
> >>> version 12.2
> >>> no service pad
> >>> service timestamps debug uptime
> >>> service timestamps log uptime
> >>> no service password-encryption
> >>> !
> >>> hostname SW2
> >>> !
> >>> enable password cisco
> >>> !
> >>> no aaa new-model
> >>> ip subnet-zero
> >>> no ip domain-lookup
> >>> !
> >>> !
> >>> !
> >>> !
> >>> !
> >>> !
> >>> no file verify auto
> >>> spanning-tree mode pvst
> >>> spanning-tree extend system-id
> >>> !
> >>> vlan internal allocation policy ascending
> >>> !
> >>> !
> >>> interface Loopback0
> >>> ip address 150.1.8.8 255.255.255.0
> >>> !
> >>> interface Port-channel1
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> !
> >>> interface FastEthernet0/1
> >>> !
> >>> interface FastEthernet0/2
> >>> switchport access vlan 26
> >>> !
> >>> interface FastEthernet0/3
> >>> !
> >>> interface FastEthernet0/4
> >>> !
> >>> interface FastEthernet0/5
> >>> !
> >>> interface FastEthernet0/6
> >>> switchport trunk encapsulation dot1q
> >>> switchport trunk native vlan 6
> >>> switchport mode trunk
> >>> switchport nonegotiate
> >>> !
> >>> interface FastEthernet0/7
> >>> !
> >>> interface FastEthernet0/8
> >>> switchport access vlan 52
> >>> !
> >>> interface FastEthernet0/9
> >>> !
> >>> interface FastEthernet0/10
> >>> !
> >>> interface FastEthernet0/11
> >>> !
> >>> interface FastEthernet0/12
> >>> !
> >>> interface FastEthernet0/13
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/14
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/15
> >>> switchport trunk encapsulation isl
> >>> switchport mode trunk
> >>> channel-group 1 mode on
> >>> !
> >>> interface FastEthernet0/16
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/17
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/18
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/19
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/20
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/21
> >>> shutdown
> >>> !
> >>> interface FastEthernet0/22
> >>> !
> >>> interface FastEthernet0/23
> >>> !
> >>> interface FastEthernet0/24
> >>> !
> >>> interface GigabitEthernet0/1
> >>> !
> >>> interface GigabitEthernet0/2
> >>> !
> >>> interface Vlan1
> >>> no ip address
> >>> shutdown
> >>> !
> >>> interface Vlan8
> >>> ip address 132.1.8.8 255.255.255.0
> >>> !
> >>> interface Vlan783
> >>> ip address 204.12.1.8 255.255.255.0
> >>> !
> >>> ip classless
> >>> ip http server
> >>> ip http secure-server
> >>> !
> >>> control-plane
> >>> !
> >>> !
> >>> line con 0
> >>> exec-timeout 0 0
> >>> privilege level 15
> >>> logging synchronous
> >>> line vty 0 4
> >>> password cisco
> >>> login
> >>> line vty 5 15
> >>> password cisco
> >>> login
> >>> !
> >>> end
> >>>
> >>> SW2#sh int tru
> >>>
> >>> Port Mode Encapsulation Status Native vlan
> >>> Fa0/6 on 802.1q trunking 6
> >>> Po1 on isl trunking 1
> >>>
> >>> Port Vlans allowed on trunk
> >>> Fa0/6 1-4094
> >>> Po1 1-4094
> >>>
> >>> Port Vlans allowed and active in management domain
> >>> Fa0/6 1,3,5-6,8,10,26,33,52,255,783
> >>> Po1 1,3,5-6,8,10,26,33,52,255,783
> >>>
> >>> Port Vlans in spanning tree forwarding state and not pruned
> >>> Fa0/6 1,3,5-6,8,10,26,33,52,255,783
> >>> Po1 1,3,5,10,33,52,255,783
> >>>
> >>> SW2(config-if)#do sh vl
> >>>
> >>> VLAN Name Status Ports
> >>> ---- -------------------------------- ---------
> >>> -------------------------------
> >>> 1 default active Fa0/1, Fa0/3, Fa0/4,
> >>> Fa0/5
> >>> Fa0/7, Fa0/9, Fa0/10,
> >>> Fa0/11
> >>> Fa0/12, Fa0/16,
> Fa0/17,
> >>> Fa0/18
> >>> Fa0/19, Fa0/20,
> Fa0/21,
> >>> Fa0/22
> >>> Fa0/23, Fa0/24, Gi0/1,
> >>> Gi0/2
> >>> 3 VLAN0003 active
> >>> 5 VLAN0005 active
> >>> 6 VLAN0006 active
> >>> 8 VLAN0008 active
> >>> 10 VLAN0010 active
> >>> 26 VLAN0026 active Fa0/2
> >>> 33 VLAN0033 active
> >>> 52 VLAN0052 active Fa0/8
> >>> 255 VLAN0255 active
> >>> 783 VLAN0783 active
> >>> 1002 fddi-default act/unsup
> >>> 1003 token-ring-default act/unsup
> >>> 1004 fddinet-default act/unsup
> >>> 1005 trnet-default act/unsup
> >>>
> >>>
> _______________________________________________________________________
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> >
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