Priscilla Oppenheimer wrote:
> 
> I guess he's just using an IOS image that doesn't support
> inter-VLAN routing. Can someone point me to a chart? I don't
> have a CCO login though.

I've never found a chart and the Software Advisor and/or Feature Navigator
on CCO can't always be relied upon (they don't go back far enough for one
thing).  You can get a good .pdf file that helps a bit but still isn't a
final authority:

http://www.cisco.com/en/US/products/sw/iosswrel/products_abc_ios_overview.html#abc01

Notice that after the platform ID (e.g. 2600) in the image name, a "j"
suggests Enterprise code, while an "s" suggests IP Plus features (thanks
Larry - I couldn't find my copy of the above earlier).  I know from
experience that trunking support was considered to be a Plus feature in the
12.1 train (not so sure about 12.2?).

The good news is that you have 8M of flash to work with!  Does your client
have a login?

> 
> Here's his attempt to use the encapsulation command and a show
> version and show flash.
> 
> RTR#config t
> Enter configuration commands, one per line.  End with CNTL/Z.
> RTR(config)#int f0/0
> RTR(config-if)#no ip address
> RTR(config-if)#int f0/0.1
> RTR(config-subif)#encapsulation dot1q 100
>                           ^
> % Invalid input detected at '^' marker.
> 
> 
> RTR#show version
> Cisco Internetwork Operating System Software
> IOS (tm) C2600 Software (C2600-IO3-M), Version 12.1(5), RELEASE
> SOFTWARE (fc1)
> Copyright (c) 1986-2000 by cisco Systems, Inc.
> Compiled Wed 25-Oct-00 11:13 by cmong
> Image text-base: 0x80008088, data-base: 0x8085F2D8
> 
> ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE
> (fc1)
> 
> RTR uptime is 22 hours, 17 minutes
> System returned to ROM by power-on
> System image file is "flash:c2600-io3-mz.121-5.bin"
> 
> cisco 2621 (MPC860) processor (revision 0x101) with
> 20480K/4096K bytes of memory
> .
> Processor board ID JAB040202S9 (1365741948)
> M860 processor: part number 0, mask 49
> Bridging software.
> X.25 software, Version 3.0.0.
> 1 Ethernet/IEEE 802.3 interface(s)
> 2 FastEthernet/IEEE 802.3 interface(s)
> 1 Serial network interface(s)
> 32K bytes of non-volatile configuration memory.
> 8192K bytes of processor board System flash (Read/Write)
> 
> Configuration register is 0x2102
> 
> FireMTNRTR#show flash
> 
> System flash directory:
> File  Length   Name/status
>   1   4718616  c2600-io3-mz.121-5.bin
> [4718680 bytes used, 3669928 available, 8388608 total]
> 8192K bytes of processor board System flash (Read/Write)
> 
> Thanks everyone for your help.
> 
> Priscilla
> 
> 
> Larry Letterman wrote:
> > 
> > Pris,
> > 
> > I did the below on a  2621 router with the sh ver for ios code
> > ....
> > 
> > Larry
> > 
> > Router(config)#int fa0/1
> > Router(config-if)#no ip address
> > Router(config-if)#int fa0/1.1
> > Router(config-subif)#encap ?
> >   dot1Q   IEEE 802.1Q Virtual LAN
> >   isl     Inter Switch Link - Virtual LAN encapsulation
> >   sde     IEEE 802.10 Virtual LAN - Secure Data Exchange
> >   tr-isl  Token Ring Inter Switch Link - Virtual LAN
> > encapsulation
> > 
> > Router(config-subif)#encap dot1q ?
> >     IEEE 802.1Q VLAN ID required, range 1 - 0xFFF.
> > 
> > Router(config-subif)#encap dot1q 10
> > Router(config-subif)#^Z
> > ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE
> > (fc1)
> > System image file is "flash:c2600-js-mz.122-1.bin"
> > cisco 2621 (MPC860) processor (revision 0x102) with
> > 58368K/7168K bytes
> > of memory
> > 
> > Priscilla Oppenheimer wrote:
> > 
> > >So, we started to implement the campus LAN design that I
> > mentioned in
> > >previous messages, but we can't seem to do VLAN trunking on
> > the darn 2600
> > >router!
> > >
> > >When we do:
> > >
> > >int fa0/0
> > >no ip address
> > >int fa0/0.1
> > >encapsulation dot1q 100
> > >
> > >The router claims that the "encapsulation" is invalid input.
> > >
> > >When we tried to do the IP address first, it says:
> > >
> > >Configuring IP routing on a LAN subinterface is only allowed
> > if that
> > >subinterface is already configured as part of an IEEE 802.10,
> > IEEE 802.1Q,
> > >or ISL vLAN.
> > >
> > >(That makes it sound like VLAN trunking is supported!?)
> > >
> > >IOS version is 12.1(5).
> > >
> > >He's using the Firewall Feature Set (CBAC stuff) es evidenced
> > by "ip
> > >inspect" commands in his config.
> > >
> > >Does it not support VLAN trunking??
> > >
> > >I've asked him to do "show flash" and "show version" so we
> can
> > get more
> > >info. What else should I ask for? THANKS
> > >
> > >Priscilla
> > 
> > 
> 
> 




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