VSS

[henokk601]

Hi All

i was trying to configure VSS on 2 6509 Cisco Switches however what are the prerequisite the slots and interface are different on the two switches does it have an issue ?

Regards.

[Mark Malone]

slots and sups should match for VSS , what exactly are you trying to setup in VSS ?

[MUHAMMAD TAYYAB MUNIR]

Hi Henokk601,

 The VSS configurations in the startup-config file must match on both chassis. 

General VSS Restrictions

• VSS mode does not support supervisor engine redundancy within a chassis.

• If you configure a new value for switch priority, the change takes effect only after you save the configuration file and perform a restart.
•  Out-of-band MAC address table synchronization among DFC-equipped switching modules (the mac address-table synchronize command) is enabled automatically in VSS mode, which is the recommended configuration.  
• Because the output of the show running-config command on ICS supervisor engines could be out of sync with the active supervisor engine, ICS supervisor engines do not support the
• show running-config command. The active and standby supervisor engines support the show running-config command

Please vist the link,

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/15-3SY/config_guide/sup6T/15_3_sy_swcg_6T/virtual_switching_systems.pdf

BR,

Tayyab - www.tayyabmunir.com 

*** Rate the response if helpful***

[MUHAMMAD TAYYAB MUNIR]

 The VSS configurations in the startup-config file must match on both chassis. 

General VSS Restrictions

• VSS mode does not support supervisor engine redundancy within a chassis.

[henokk601]

here is what i got after Show version Command on 6509 first switch

Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 1 2.2(33)SXI4a, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Fri 16-Jul-10 19:51 by prod_rel_team

ROM: System Bootstrap, Version 12.2(17r)SX5, RELEASE SOFTWARE (fc1)

csacore1 uptime is 1 day, 22 hours, 11 minutes
Uptime for this control processor is 1 day, 22 hours, 11 minutes
Time since csacore1 switched to active is 1 day, 22 hours, 10 minutes
System returned to ROM by power cycle at 10:41:30 UTC Tue Nov 21 2017 (SP by po wer on)
System restarted at 11:45:30 UTC Sat Dec 29 2018
System image file is "sup-bootdisk:s72033-ipservicesk9_wan-mz.122-33.SXI4a.bin"
Last reload reason: Reload Command

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If you require further assistance please contact us by sending email to
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cisco WS-C6509-E (R7000) processor (revision 1.5) with 983008K/65536K bytes of memory.
Processor board ID SMC1436006Z
SR71000 CPU at 600Mhz, Implementation 0x504, Rev 1.2, 512KB L2 Cache
Last reset from s/w reset
58 Virtual Ethernet interfaces
74 Gigabit Ethernet interfaces
8 Ten Gigabit Ethernet interfaces
1917K bytes of non-volatile configuration memory.
8192K bytes of packet buffer memory.

65536K bytes of Flash internal SIMM (Sector size 512K).
Configuration register is 0x2102

6509 Switch 2 show version command

Cisco IOS Software, s72033_rp Software (s72033_rp-IPSERVICES_WAN-M), Version 12.2(33)SXH8b, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 14-Sep-11 12:26 by prod_rel_team

ROM: System Bootstrap, Version 12.2(17r)SX7, RELEASE SOFTWARE (fc1)

csacore2 uptime is 18 hours, 59 minutes
Uptime for this control processor is 18 hours, 59 minutes
Time since csacore2 switched to active is 18 hours, 58 minutes
System returned to ROM by power cycle at 10:27:06 UTC Fri Sep 1 2017 (SP by power on)
System restarted at 11:17:34 UTC Tue Dec 25 2018
System image file is "sup-bootdisk:s72033-ipservices_wan-mz.122-33.SXH8b.bin"

cisco WS-C6509-E (R7000) processor (revision 1.5) with 983008K/65536K bytes of memory.
Processor board ID SMG1533N053
SR71000 CPU at 600Mhz, Implementation 0x504, Rev 1.2, 512KB L2 Cache
Last reset from s/w reset
58 Virtual Ethernet interfaces
26 Gigabit Ethernet interfaces
8 Ten Gigabit Ethernet interfaces
1917K bytes of non-volatile configuration memory.
8192K bytes of packet buffer memory.

65536K bytes of Flash internal SIMM (Sector size 512K).
Configuration register is 0x2102

[Joseph W. Doherty]

I don't recall the slots being used being significant, however VSS isn't supported on all 6500 hardware. For starters, you need VSS capable sups, and line cards that are also supported by VSS. The release notes should describe supported hardware.

[Mark Malone]

You need to have a SUP thats VSS capable starting with V like below  , whether its sup720 or 2T usually 

You can check with show module it will show you exactly what supervisor you have like below

5    5  Supervisor Engine 2T 10GE w/ CTS (Acti VS-SUP2T-10G