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New Member

VSS etherchannel problem

Hello,

We have two 6500 & are trying to create VSS for this.

Below are the configurations on both switches;

Switch1:-

switch virtual domain 100

switch mode virtual

switch 1 priority 110

interface Port-channel1

description VSL to Switch2

no switchport

no ip address

no platform qos channel-consistency

switch virtual link 1

interface TenGigabitEthernet1/5/4

no switchport

no ip address

no cdp enable

channel-group 1 mode on

!

interface TenGigabitEthernet1/5/5

no switchport

no ip address

no cdp enable

channel-group 1 mode on

sh switch virtual 

Switch mode                  : Virtual Switch

Virtual switch domain number : 100

Local switch number          : 1

Local switch operational role: Virtual Switch Active

sh switch virtual link port-channel

Flags:  D - down        P - bundled in port-channel

        I - stand-alone s - suspended

        H - Hot-standby (LACP only)

        R - Layer3      S - Layer2

        U - in use      N - not in use, no aggregation

        f - failed to allocate aggregator

        M - not in use, no aggregation due to minimum links not met

        m - not in use, port not aggregated due to minimum links not met

        u - unsuitable for bundling

        d - default port

        w - waiting to be aggregated

Group  Port-channel  Protocol    Ports

------+-------------+-----------+-------------------

1      Po1(RD)          -        Te1/5/4(D)     Te1/5/5(D)

=============================================================

Switch2:-

switch virtual domain 100

switch mode virtual

switch 1 priority 110

interface Port-channel2

description VSL to switch2

no switchport

no ip address

no platform qos channel-consistency

switch virtual link 2

interface TenGigabitEthernet2/5/4

no switchport

no ip address

no cdp enable

channel-group 2 mode on

!

interface TenGigabitEthernet2/5/5

no switchport

no ip address

no cdp enable

channel-group 2 mode on

Te5/4 on switch 1 is physically connected to Te5/4 on switch2.

Appreciate all help.

1 ACCEPTED SOLUTION

Accepted Solutions
VIP Super Bronze

VSS etherchannel problem

Once VSS is working the individual ports line te3/4 would be 1/3/4 1 for switch 1 3 for blade 3 and 4 is the port.

also on switch 2 the same port will be 2/3/4 2 for switch 2 3 for blade 3 and 4 is the port.

Also, follow the config guide to make sure the VSS working:

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/vss.html

HTH

4 REPLIES
New Member

VSS etherchannel problem

We are looking to do VSS with only one link between both switches.

is it different from the above?

VIP Super Bronze

VSS etherchannel problem

There is no difference.  You can use one link or 2 links, but for redundancy it is always a good idea to use 2 links.  Also, you don't need this command on either switches:

switch 1 priority 110

Also, you did not explain the issue you have.

HTH

New Member

VSS etherchannel problem

sorry, i guess forgot to type the complete thing.

We are trying to run VSS on two 6500's with single link between them.

i have used the configuration above, but the VSS doesn't come up.

doing a sh virtual switch only shows the current switch ; i.e switch 1

If we are using single link , on each individual port like te3/4 how would the configuration look like, as i see the switch virtual link command is used under Port channel.

please help in this.

VIP Super Bronze

VSS etherchannel problem

Once VSS is working the individual ports line te3/4 would be 1/3/4 1 for switch 1 3 for blade 3 and 4 is the port.

also on switch 2 the same port will be 2/3/4 2 for switch 2 3 for blade 3 and 4 is the port.

Also, follow the config guide to make sure the VSS working:

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SX/configuration/guide/vss.html

HTH

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