On Sep 18, 6:13*pm, tman <naves....@gmail.com> wrote:
> Hope this is not to verbose.
>
> -- What I am trying to do:
>
> I am trying to configure a Cisco 2948G-L3 and a Cisco 3548 for vlan
> trunking. *I am
>
> currently using the Cisco 2948G-L3 as a router. *It is not configured
> with VLANs, it has
>
> various groups of ports configured in seven different BVIs. *Each BVI
> has an ip assigned
>
> and acts as the default gateway for end stations on its respective
> subnet. *This all
>
> works great and we have used it for years.
>
> I am now trying to figure out how to configure the Cisco 2948G-L3 to
> terminate a VLAN
>
> trunk from a Nortel switch that we will be getting soon for some
> wireless phones. *We
>
> will also be using the Nortel wireless network for a few wireless
> workstations and
>
> laptops. We will have four VLANs on the Nortel switch. *Two of them do
> not need to trunk
>
> to the Cisco 2948G-L3 as they will have ports on the Nortel switch
> assigned to them to
>
> get to devices.
>
> I also thought I would create and additional BVI, Bridge-group 111 on
> the Cisco 2948G-L3
>
> to bridge VLAN1 to the other switch for management.
>
> We do want to trunk two VLANs so they can be routed to our other
> subnets. *To simmulate
>
> the Nortel switch, I am using the Cisco 3548 to work out the
> configuration.
>
> What I have done is created the VLANs on the Cisco 3548. *Configured
> fa0/1 as a trunk.
>
> I am using dot1q as the trunk protocol. *Configured the trunk to allow
> only VLANs 1,
>
> 100, and 200. Vtp is set to transparent.
>
> On the Cisco 2948G-L3 I configured fa44 with three
> subinterfaces:fa44.1, fa44.100, and
>
> fa44.200. *They are configure with dot1q and fa44.100 and fa44.200
> have ip addresses
>
> assigned. *I made fa44.1 a member of bridge-group 111.
>
> BVI111 on the Cisco 2948G-L3 has ip address 192.168.11.1 255.255.255.0
> and VLAN 1 on the
>
> Cisco 3548 has ip address 192.168.11.2 with a default gateway of
> 192.168.11.1.
>
> -- A Basic Question:
>
> I am assuming that the subinterfaces fa44.100 and fa44.20 on the Cisco
> 2948G-L3 will
>
> route to the other BVIs. *Is this correct?
>
> -- My Problem So Far:
>
> My bridging of VLAN1 does not work as I cannot ping the VLAN1 ip
> addresses across the
>
> trunk. *I have not tried the other subnets yet, but if the bridging
> doesn't work the
>
> others probably aren't either.
>
> Is there a way to confirm the trunk is working? *The interfaces line
> protocols are up.
>
> Here is the config of my subinterfaces on the Cisco 2948G-L3 where the
> trunk comes in.
>
> interface FastEthernet44
> *no ip address
> *no ip directed-broadcast
> !
> interface FastEthernet44.1
> *encapsulation dot1Q 1 native
> *no ip directed-broadcast
> *bridge-group 111
> !
> interface FastEthernet44.100
> *encapsulation dot1Q 100
> *ip address 192.168.8.1 255.255.255.0
> *ip helper-address 192.168.3.4
> *no ip directed-broadcast
> !
> interface FastEthernet44.200
> *encapsulation dot1Q 200
> *ip address 192.168.10.1 255.255.255.0
> *ip helper-address 192.168.3.4
> *no ip directed-broadcast
>
> Here is the trunk on the Cisco 3548
>
> interface FastEthernet0/1
> *switchport trunk encapsulation dot1q
> *switchport trunk allowed vlan 1,100,200,1002-1005
> *switchport mode trunk
>
> Any suggestions will be appreciated.
Finally got it working. I had forgotten the route ip command on the
new BVI, bridgegroup 111.
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