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Posted by stephen on August 13, 2007, 4:05 pm
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> >
> >
> >
> > > > Hello,
> >
> > > > I have a question about routing on 6500 catalyst switch.
> > > > How I can forward all traffic to transparent device which I can
> > > > control band
> >
> > > > Default gateway ip route 0.0.0.0 0.0.0.0 192.168.10.1
> >
> > > > 6500 switch with 5 vlan`s and ATM interface (internet connection)
> > > > --- ---- ----- ------------------------- ------------------- ---
> > > > --------
> > > > 1 1 2 1000BaseX Supervisor WS-X6K-SUP2-2GE yes ok
> > > > 15 1 1 Multilayer Switch Feature WS-F6K-MSFC2 no ok
> > > > 4 4 16 1000BaseX Ethernet WS-X6416-GBIC no ok
> > > > 6 6 0 FlexWAN Module WS-X6182-2PA no ok
> > > > 8 8 48 10/100BaseTX Ethernet WS-X6248-RJ-45 no ok
> >
> > > > interface ATM6/0/0
> > > > no ip address
> > > > atm sonet stm-1
> > > > no atm auto-configuration
> > > > no atm ilmi-keepalive
> > > > no atm address-registration
> > > > no atm ilmi-enable
> > > > !
> > > > interface ATM6/0/0.1 point-to-point
> > > > ip address 192.168.10.2 255.255.255.252
> > > > pvc 1/101
> > > > vbr-nrt 114000 114000 1
> > > > encapsulation aal5snap
> > > > !
> > > > !
> > > > interface Vlan1
> > > > ip address 10.10.64.1 255.255.255.192
> > > > ip helper-address 10.10.64.4
> > > > !
> > > > interface Vlan11
> > > > ip address 10.10.64.65 255.255.255.192
> > > > ip helper-address 10.10.64.4
> > > > !
> > > > interface Vlan12
> > > > ip address 10.10.78.1 255.255.255.128
> > > > ip helper-address 10.10.64.4
> > > > !
> > > > interface Vlan13
> > > > ip address 10.10.64.193 255.255.255.192
> > > > ip helper-address 10.10.64.4
> > > > !
> > > > interface Vlan14
> > > > ip address 10.10.65.1 255.255.255.192
> > > > ip helper-address 10.10.64.4
> >
> > > > thanks for help
> >
> > > Put it inline between you and the Wide Area Network or your next hop.
> > > Be next to impossible to do it for LAN traffic if you have redundant
> > > cores. I doubt a static will work unless the device will actually
> > > route traffic.
> >
> > I can`t put this device between me and ISP I must doing something like
> > this LAN (10 subnets) ->TRANSPARENT DEVICE -> ATM interfce -> ISP
>
> Eek.....guess you don't have another routing you can toss in between
> and make it pass-through. If it doesn't route, there is no way to
> point traffic at it and let it route back to the core as once it gets
> back to the core, itll just take the same path over again. Hmm...I'll
> see what me and some fellow engineers can think of..
the ATM interface is probably the choke point.
maybe you can run 2 copies of routing on the box using VRFs?
run 1 copy locally, take the traffic to the WAN out via a GigE and back into
a separate GigE then route to ATM.
you may need a more expensive feature set to support this.......
the big drawback is you will send every WAN packet thru your Cat twice, so
using up CPU performance, although the PFC should handle the extra load.
>
--
Regards
stephen_hope@xyzworld.com - replace xyz with ntl
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