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How to configure MSTP between EOS and EXOS switches (Securestack C5 and X440-G2)

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TitleHow to configure MSTP between EOS and EXOS switches (Securestack C5 and X440-G2)
Objective
Configuration example for MSTP interoperability between EOS SecureStack and EXOS Summit switches
Environment
  • SecureStack
  • Summit X440-G2
  • EOS firmware 06.81.08.0005
  • EXOS firmware 22.2.1.5patch1-4
  • MSTP
  • 802.1s
Procedure
  • Consider the following diagram


 
User-added image
 
  • C5 Core-1
 
#vlan
set vlan create 10
set vlan create 20
set vlan name 10 "red"
set vlan name 20 "blue"
clear vlan egress 1 ge.1.1-20
set vlan egress 10 ge.1.23-24 tagged
set vlan egress 10 ge.1.1-10 untagged
set vlan egress 20 ge.1.23-24 tagged
set vlan egress 20 ge.1.11-20 untagged
!
!
end



#port
set port vlan ge.1.1 10
set port vlan ge.1.2 10
set port vlan ge.1.3 10
set port vlan ge.1.4 10
set port vlan ge.1.5 10
set port vlan ge.1.6 10
set port vlan ge.1.7 10
set port vlan ge.1.8 10
set port vlan ge.1.9 10
set port vlan ge.1.10 10
set port vlan ge.1.11 20
set port vlan ge.1.12 20
set port vlan ge.1.13 20
set port vlan ge.1.14 20
set port vlan ge.1.15 20
set port vlan ge.1.16 20
set port vlan ge.1.17 20
set port vlan ge.1.18 20
set port vlan ge.1.19 20
set port vlan ge.1.20 20
!
end



#spantree
set spantree mstcfgid cfgname region1 rev 1
set spantree msti sid 1 create
set spantree msti sid 2 create
set spantree mstmap 10 sid 1
set spantree mstmap 20 sid 2
set spantree priority 4096 0
set spantree priority 8192 1
set spantree priority 32768 2 (default)
!
end
 
  • C5 Core-2
 
#vlan
set vlan create 10
set vlan create 20
set vlan name 10 "red"
set vlan name 20 "blue"
clear vlan egress 1 ge.1.1-20
set vlan egress 10 ge.1.23-24 tagged
set vlan egress 10 ge.1.1-10 untagged
set vlan egress 20 ge.1.23-24 tagged
set vlan egress 20 ge.1.11-20 untagged
!
!
end



#port
set port vlan ge.1.1 10
set port vlan ge.1.2 10
set port vlan ge.1.3 10
set port vlan ge.1.4 10
set port vlan ge.1.5 10
set port vlan ge.1.6 10
set port vlan ge.1.7 10
set port vlan ge.1.8 10
set port vlan ge.1.9 10
set port vlan ge.1.10 10
set port vlan ge.1.11 20
set port vlan ge.1.12 20
set port vlan ge.1.13 20
set port vlan ge.1.14 20
set port vlan ge.1.15 20
set port vlan ge.1.16 20
set port vlan ge.1.17 20
set port vlan ge.1.18 20
set port vlan ge.1.19 20
set port vlan ge.1.20 20
!
end



#spantree
set spantree mstcfgid cfgname region1 rev 1
set spantree msti sid 1 create
set spantree msti sid 2 create
set spantree mstmap 10 sid 1
set spantree mstmap 20 sid 2
set spantree priority 8192 0
set spantree priority 4096 1
set spantree priority 8192 2
!
end
 
  • X440-G2
 
# Module vlan configuration.
#
configure vlan default delete ports all
configure vr VR-Default delete ports 1-52
configure vr VR-Default add ports 1-52
configure vlan default delete ports 1-20
create vlan "blue"
configure vlan blue tag 20
create vlan "red"
configure vlan red tag 10
configure vlan blue add ports 47-48 tagged
configure vlan blue add ports 11-20 untagged
configure vlan Default add ports 21-52 untagged
configure vlan red add ports 47-48 tagged
configure vlan red add ports 1-10 untagged



# Module stp configuration.
#
configure mstp region region1
configure mstp revision 1
create stpd s1
configure stpd s1 mode mstp msti 1
create stpd s2
configure stpd s2 mode mstp msti 2
configure stpd s2 priority 4096
enable stpd s2 auto-bind vlan blue
enable stpd s1 auto-bind vlan red
disable stpd s0 auto-bind vlan default
configure stpd s0 ports link-type point-to-point 47
configure stpd s0 ports link-type point-to-point 48
configure stpd s1 ports mode dot1d 47
configure stpd s1 ports link-type point-to-point 47
configure stpd s1 ports mode dot1d 48
configure stpd s1 ports link-type point-to-point 48
configure stpd s2 ports mode dot1d 47
configure stpd s2 ports link-type point-to-point 47
configure stpd s2 ports mode dot1d 48
configure stpd s2 ports link-type point-to-point 48
enable stpd s1
enable stpd s2

Some defaults (show config stp detail)
=====================================

create stpd s0 
enable stpd s0 
configure stpd s0 delete vlan default ports all
enable stpd s0 auto-bind vlan Default
configure stpd s0 ports mode dot1d 47 
configure stpd s0 ports mode dot1d 48
configure stpd s0 ports link-type point-to-point 47
configure stpd s0 ports link-type point-to-point 48 
configure stpd s0 priority 32768 
configure stpd s1 priority 32768 
enable stpd s0 ports 47
enable stpd s0 ports 48

Note!
If the following line is added to this particular STP configuration
disable stpd s0 auto-bind vlan default
Then the following line is added to the configuration
configure stpd s0 add vlan Default ports 21-52 dot1d

 
  • EOS show commands
 
show spantree stats active sid 0
show spantree stats active sid 1
show spantree stats active sid 2
show spantree mstcfgid
show spantree mstmap
show spantree mstilist 
show spantree vlanlist
 
  • EXOS show commands
 
show stpd
show stpd s0
show stpd s1
show stpd s2
show stpd s0 detail
show stpd s1 detail
show stpd s2 detail

show stpd s0 ports blocked-ports
show stpd s1 ports blocked-ports
show stpd s1 ports blocked-ports
show stpd s1 ports non-forwarding-reason

show stpd s0 ports counters 47
show stpd s0 ports counters 48
show stpd s1 ports counters 47
show stpd s1 ports counters 42



 
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