That was the first thing i checked into, it does ISL
by default. I tried putting it in there and got the
same result.
--- Olden Pieterse <[EMAIL PROTECTED]> wrote:
> I dont see you specify ISL encapsulation on the 35XX
>
> > -----Original Message-----
> > From: Rick Thompson [SMTP:[EMAIL PROTECTED]]
> > Sent: Tuesday, December 19, 2000 7:49 AM
> > To: [EMAIL PROTECTED]
> > Subject: trunking problem
> >
> > Let's see if anyone can figure this one out:
> >
> > Running into an interesting problem with trunking.
> We
> > have multiple setups running this configuration
> and
> > running into CRC's on the trunk ports, and slow
> > transfer and corrupted files sent inbetween the
> vlans.
> > Currently we have had 2 ccie from cisco look at
> it
> > with no help, and TAC has been working it for 5
> days
> > with no luck so far. We have 50 locations with
> this
> > setup and 6 of them are reporting corrupted files.
>
> > There is a 3640 router with 2FE and the switch is
> > either a 3524xl or 3548XL, all code, cards, memory
> and
> > flash are identical.
> > The 3640 is setup as follows:
> >
> > interface FastEthernet0/1
> > no ip address
> > no cdp enable
> > speed 100
> > duplex full
> > no ip directed-broadcast
> >
> > interface FastEthernet0/1.1
> > description Trusted Network
> > encapsulation isl 1
> > no ip directed-broadcast
> > no ip redirects
> > ip address x.x.x.1 255.255.255.128
> >
> > interface FastEthernet0/1.2
> > description Display Network
> > encapsulation isl 2
> > no ip directed-broadcast
> > no ip redirects
> > ip address x.x.x.129 255.255.255.192
> >
> > interface FastEthernet0/1.3
> > description untrusted Network
> > encapsulation isl 3
> > no ip directed-broadcast
> > no ip redirects
> > ip address x.x.x.193 255.255.255.192
> >
> > The 3524XL or 3548XL is configured as follows:
> >
> > interface fast ethernet 0/24
> > description router
> > speed 100
> > duplex full
> > switchport mode trunk
> >
> >
> > The CRC increment atleast 1 every 7 secs. The
> more
> > data that gets transfere, the worse it gets. We
> also
> > see CRC's on port 23 which is the server. I tried
> > switching from isl trunking to dotq and that
> appeared
> > to slow down the CRC, but that is it.
> >
> > Anybody have any ideas?
> >
> > Rick Thompson
> > CCNA, MCSE
> >
> >
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