From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Mon Nov 28 2005 - 02:35:56 GMT-3
That is really an out of the box thinking.. Wonderful thought and solution.
-Venkat
On 11/27/05, Ralph <Mandela@myrealbox.com> wrote:
> SW1--------------------SW2
>
> ports 13 and 14 are trunking on both switches.
>
> The basic idea is to modify the bandwidth of port 13 of SW2. Since path cost is derived from the bandwidth. This will make port 14 on SW2 the root port for VLANs 22,23. Here is a sample:
>
> SW1 is made the root for VLANS 22, 23
>
> SW2 is made the root for VLANS 32, 33
>
>
> SW1#sh interfaces trunk
>
> Fa0/13 1,22-23,32-33
> Fa0/14 1,22-23
> SW1#
>
> SW2#sh interfaces trunk
>
> Fa0/13 1,22-23,32-33
> Fa0/14 32-33
> SW2#
>
> There is no load-balancing yet. All Vlans use Port 13 on both switches.
>
> To load -balance: Instead of using port cost on SW2 port 13, you can modify the bandwidth from the default of 100000 to 10000. Since path cost is derived from bandwidth.
> hostname SW2
>
> interface FastEthernet0/13
> switchport trunk encapsulation dot1q
> switchport mode trunk
> bandwidth 10000
> !
>
> SW1#sh interfaces trunk
>
> Fa0/13 1,22-23,32-33
> Fa0/14 1,22-23
> SW1#
>
>
> SW2#sh interfaces trunk
>
> Fa0/13 32-33
> Fa0/14 1,22-23,32-33
> SW2#
>
> Now Load-balancing and failover is accomplished using spanning tree.
>
> HTH
> Ralph.
>
>
>
> -----Original Message-----
> From: Rajib Khan <rajib56666@yahoo.com>
> To: "ccielab@groupstudy.com" <ccielab@groupstudy.com>
> Date: Thu, 24 Nov 2005 07:32:44 -0800 (PST)
> Subject: switch configuration
>
> Hi Group
>
>
> Could any one please help me with the followings
>
> SW1 ------------ SW2
>
> There are 2 trunk port between sw1 and sw2, I want to send vlan 22,23 via one link and 32,33 other link but if one link fails then other link should forward all vlans. Is there any way can you achieve this with out using port priority and port cost
>
> Thanks in advance
>
>
> Raj
>
>
>
>
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