From: Peng Zheng (zpnist@yahoo.com)
Date: Sun Nov 24 2002 - 21:12:00 GMT-3
What's the final answer to the question?
--- Andre Teku <andre.teku@csosa.gov> wrote:
> I am going to assume the following:
>
> The Trunk from the 3550's FastEthernet0/14 is
> connecting to the IRB Router
> at interface FastEthernet0/0, and carrying vlans
> 10,20,30,1002-1005.
>
> If this is the case then try this on the IRB router:
>
> (1) keep the ieee spanning tree protocol enabled
> (bridge 1 protocol ieee)
> (2) add the command "bridge irb" statement
> (3) add "bridge 1 route ip" statement
> (4) keep the "interface BVI 1" statement
> (5) assign primary IP address (10.1.1.1/24) to BVI -
> Also include any
> SECONDARY IP addresses you might have previously
> configured on hosts in the
> different VLANs and that don't match the 10.1.1.0/24
> network - Remember that
> 1 vlan = 1 ip subnet and bridging means collapsing
> the different
> segments/vlans into one giant virtual segment - so
> secondary IP addresses
> must be specified if you need to reach those hosts
> w/ non-10.1.1.0 addresses
> on the bridged vlans )
> (6) enable a routing protocol like RIP on the BVI
> and on the interface
> FastEthernet0/0.10 (IP 10.2.1.1/24)
> (7) make sure you have configured the
> "default-gateway" at connected
> switches (3350) to point to the BVI interface ip
> address
> (8) Ping everywhere to test
>
> Note: I don't think you need the "bridge-group 1
> spanning-disabled"
>
> Try it and let us know
> Andre
>
> -----Original Message-----
> From: mize [mailto:mize@netbuddy.org]
> Sent: Monday, October 28, 2002 6:35 PM
> To: Andre Teku
> Cc: ccielab@groupstudy.com
> Subject: Re: RE: some problem w IRB and cat3550 -
> Follow up
>
>
> Sorry I meant:
>
> !
> interface FastEthernet0/0.10
> encapsulation isl 10
> ip address 10.2.1.1 255.255.255.0
> no ip redirects
> !
> interface FastEthernet0/0.20
> encapsulation isl 20
> no ip redirects
> bridge-group 1
> bridge-group 1 spanning-disabled
> !
> interface FastEthernet0/0.30
> encapsulation isl 30
> no ip redirects
> bridge-group 1
> bridge-group 1 spanning-disabled
>
> interface BVI1
> ip address 10.1.1.1 255.255.255.0
>
> ( bridge 1 protocol ieee REMOVED!#)
> bridge 1 route ip
>
> To route traffic between interface BVI 1 and
> Fa0/0.10, you must have ip
> routing enabled. That needs an EMI image.
>
>
>
> >Have you guys tried to change to bridge protocol
> from ieee to
> "vlan-bridge"?
> >That is "bridge 1 protocol vlan-bridge"
> >
> >Andre
> >
> >-----Original Message-----
> >From: Chris Cole [mailto:CCole@EPLUS.com]
> >Sent: Monday, October 28, 2002 10:02 AM
> >To: 'hoon'; 'ccielab@groupstudy.com'
> >Subject: RE: some problem w IRB and cat3550
> >
> >
> >Hoon, I have had the some problem. I heard that it
> is a bug.
> >
> >-----Original Message-----
> >From: hoon [mailto:urlee21@kornet.net]
> >Sent: Saturday, October 26, 2002 1:19 PM
> >To: ccielab@groupstudy.com
> >Subject: some problem w IRB and cat3550
> >
> >
> >Group, can anybody explain to me why this
> 'Intergrated routing & bridging"
> >does not work out for me?
> >The problem was that I could ping each switch
> (10.1.1.3) and vlan30 router
> >(10.1.1.2) from IRB router(10.1.1.1); arp was shown
> correctly. But this
> >switch and vlan30router could not ping each other
> at all.
> >
> >
> >cat 3550 config.
> >
> >interface FastEthernet0/14
> > switchport trunk encapsulation isl
> > switchport trunk allowed vlan 10,20,30,1002-1005
> > switchport mode trunk
> > no ip address
> >
> >interface FastEthernet0/1
> > switchport access vlan 10
> > switchport mode access
> > no ip address
> >
> >interface FastEthernet0/2
> > switchport access vlan 30
> > switchport mode access
> > no ip address
> >
> >nterface Vlan20
> > ip address 10.1.1.3 255.255.255.0
> >!
> >ip default-gateway 10.1.1.1
> >
> >
> >IRB router config
> >
> >bridge irb
> >
> >interface FastEthernet0/0
> > no ip address
> > duplex auto
> > speed auto
> >!
> >interface FastEthernet0/0.10
> > encapsulation isl 10
> > ip address 10.2.1.1 255.255.255.0
> > no ip redirects
> >!
> >interface FastEthernet0/0.20
> > encapsulation isl 20
> > no ip redirects
> > bridge-group 1
> >!
> >interface FastEthernet0/0.30
> > encapsulation isl 30
> > no ip redirects
> > bridge-group 1
> >
> >interface BVI1
> > ip address 10.1.1.1 255.255.255.0
> >
> >bridge 1 protocol ieee
> > bridge 1 route ip
> >
> >
> >Vlan 30 router config
> >
> >interface e0
> >ip addresss 10.1.1.2 255.255.255.0
> >
> >I've been working this one for whole day, rebooting
> those devices heaps.
> >FYI, this is a WS-C3550-24-SMI switch
> >regards,
This archive was generated by hypermail 2.1.4 : Tue Dec 03 2002 - 07:23:09 GMT-3