12012 with two 3 port GigE cards per box. Then 2 vlans on 2
interfaces per card for a total of 8 vlans spread over 4 interfaces spread
over two cards. (confused?). I've done many vlans on the single port cards
so I'm suspecting it's a problem for the 3 port cards.
Ramin
At 07:28 PM 3/8/01 -0500, George Robbins wrote:
>What hardware? We've got about 70 vlans on one Gig-E linecard and it
>works fine, though there's a tendency to crash whenever you go to add
>another one. 12.0.15S might have a fix, hard to tell.
>
>The cited case look like it's just not finding the thing out on vlan77,
>possibly because of the switch not being enabled or set to the dot1q
>trunk mode or the port with the target not begin set for access vlan 77.
>
>Also, if you have a tree of switches and don't have vtp set up, you
>need to enter vlan 77 in the vlan database for the intermediate
>switch(s) or they won't pass the vlan, regardless of the trunk port
>vlan configs.
>
> George
>
> > From cisco-nsp-request@puck.nether.net Thu Mar 8 18:57:51 2001
> > Resent-Date: Thu, 8 Mar 2001 18:57:29 -0500
> > Received-Date: Thu, 8 Mar 2001 18:55:29 -0500
> > X-Sender: mr_list@pop.netzero.net
> > Date: Thu, 08 Mar 2001 16:03:30 -0800
> > To: Dmitri Kalintsev <dek@hades.uz>, cisco-nsp@puck.nether.net
> > From: Ramin K <mr_list@netzero.net>
> > Subject: Re: [nsp] dot1q/isl "encapsulation failed"
> > In-Reply-To: <20010308232058.B15948@hades.uz>
> > Resent-From: cisco-nsp@puck.nether.net
> > X-Mailing-List: <cisco-nsp@puck.nether.net> archive/latest/5618
> > X-Loop: cisco-nsp@puck.nether.net
> > Precedence: list
> > Resent-Sender: cisco-nsp-request@puck.nether.net
> >
> > I just spent the better part of a week tracking down a similar problem
> on a
> > set of GSR's. Turns out from my testing that the GSR's would only
> support 6
> > dot1q vlans on my hardware since all my wacky problems went away after
> > reducing the number of them to 6 from 8. Still waiting to see what Cisco
> > has to say about that. I had no such problems with the VXR's on an FE-ISL
> > card, but it may be something to investigate if you are doing several
> (more
> > then the 8 I had working) vlans.
> >
> > Ramin
> >
> > At 11:20 PM 3/8/01 +0200, Dmitri Kalintsev wrote:
> > >Hi guys,
> > >
> > >I'm having rather hard time finding what's wrong in seemingly stupid
> > >situation:
> > >
> > >!
> > >interface FastEthernet0/0
> > > ip address <real ip address> 255.255.255.128
> > > no ip directed-broadcast
> > > full-duplex
> > >!
> > >interface FastEthernet0/0.1
> > > no ip redirects
> > > no ip directed-broadcast
> > >!
> > >interface FastEthernet0/0.77
> > > encapsulation dot1Q 77
> > > ip address 10.1.1.5 255.255.255.252
> > > no ip directed-broadcast
> > >!
> > >
> > >(I've tried no ip address on maininterface and f0/0.1 in dit1q vlan 1,
> > >result is the same).
> > >
> > >7206-vpn-test#ping 10.1.1.6
> > >
> > >Type escape sequence to abort.
> > >Sending 5, 100-byte ICMP Echos to 10.1.1.6, timeout is 2 seconds:
> > >
> > >19:41:37: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >sending
> > >19:41:37: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >encapsulation failed.
> > >19:41:39: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >sending
> > >19:41:39: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >encapsulation failed.
> > >19:41:41: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >sending
> > >19:41:41: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >encapsulation failed.
> > >19:41:43: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >sending
> > >19:41:43: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >encapsulation failed.
> > >19:41:45: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >sending
> > >19:41:45: IP: s=10.1.1.5 (local), d=10.1.1.6 (FastEthernet0/0.77), len
> 100,
> > >encapsulation failed.
> > >Success rate is 0 percent (0/5)
> > >
> > >I've tried to change dot1q to ISL, and result is the same, "encapsulation
> > >failed". FE works fine, if I don't use VLAN's. I've tried different IOS
> > >sets, too. Oh, yes. And a different router. First was 7206vxr with npe300
> > >and dual FE IO controller, this current one is 7206 with npe200 and
> vanilla
> > >IO controller. No difference.
> > >
> > >Switch side I presume is not guilty, as this very same switch runs a few
> > >dot1 trunks to other switches without problem. Switch is Cat2948, so
> it only
> > >supports dot1q trunks. Switch and router perfectly see each other on cdp
> > >neighbor list, too.
> > >
> > >7206-vpn-test#sh int f0/0.77
> > >FastEthernet0/0.77 is up, line protocol is up
> > > Hardware is DEC21140A, address is 0004.de2f.8000 (bia 0004.de2f.8000)
> > > Internet address is 10.1.1.5/30
> > > MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
> > > reliability 255/255, txload 1/255, rxload 1/255
> > > Encapsulation 802.1Q Virtual LAN, Vlan ID 77.
> > > ARP type: ARPA, ARP Timeout 04:00:00
> > >
> > >It seem to recognize that it's a VLAN interface, too...
> > >
> > >There is nothing really I can think of now, and what the hell should I
> think
> > >of? This is a simple configuration, as simple as it gets, and I had it
> > >working in dozens of other places. :( Any ideas?
> > >
> > >SY,
> > >--
> > >D.K.
> >
> >
> > Shop online without a credit card
> > http://www.rocketcash.com
> > RocketCash, a NetZero subsidiary
> >
Shop online without a credit card
http://www.rocketcash.com
RocketCash, a NetZero subsidiary
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