[c-nsp] having a one-way vlan 1 stp issue....

Aaron aaron1 at gvtc.com
Tue Sep 4 17:51:07 EDT 2012


I *can* ping and telnet from ce2 to ce1 over vlan 1...stp just not working.

Appreciate any assistance

Aaron

ce2-realnoc>sh ip int br vl 1
Interface              IP-Address      OK? Method Status
Protocol
Vlan1                  1.1.1.2         YES manual up                    up
ce2-realnoc>
ce2-realnoc>1.1.1.1
Trying 1.1.1.1 ... Open


User Access Verification

Password:
ce1-top-crml>
ce1-top-crml>exit

[Connection to 1.1.1.1 closed by foreign host]
ce2-realnoc>


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Aaron
Sent: Tuesday, September 04, 2012 4:37 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] having a one-way vlan 1 stp issue....

ce2 can't see ce1's stp config bpdu's.

 

vtp and cdp are working however.

 

ce2 and ce1 are connected via a mpls l2vpn (vpws)....via me3600x and asr9k.

 

 

--------------------------------------

------------------------ ce1

--------------------------------------

 

ce1-top-crml#sh spanning-tree roo

 

                                        Root    Hello Max Fwd

Vlan                   Root ID          Cost    Time  Age Dly  Root Port

---------------- -------------------- --------- ----- --- ---  ------------

VLAN0001          8193 68bc.0c61.2f80         0    2   20  15

VLAN0010          8202 68bc.0c61.2f80         0    2   20  15

VLAN0020          8212 68bc.0c61.2f80         0    2   20  15

VLAN0021          8213 68bc.0c61.2f80         0    2   20  15

VLAN0022          8214 68bc.0c61.2f80         0    2   20  15

VLAN0023          8215 68bc.0c61.2f80         0    2   20  15

VLAN0024          8216 68bc.0c61.2f80         0    2   20  15

VLAN0025          8217 68bc.0c61.2f80         0    2   20  15

VLAN0116          8308 68bc.0c61.2f80         0    2   20  15

 

ce1-top-crml#sh cdp ne

Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge

                  S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone,

                  D - Remote, C - CVTA, M - Two-port Mac Relay

 

Device ID        Local Intrfce     Holdtme    Capability  Platform  Port ID

ce2-realnoc      Gig 1/0/1         134              S I   WS-C3750G Gig
1/0/1

 

--------------------------------------

------------------------ ce2 

--------------------------------------

 

 

ce2-realnoc#sh span root

 

                                        Root    Hello Max Fwd

Vlan                   Root ID          Cost    Time  Age Dly  Root Port

---------------- -------------------- --------- ----- --- ---  ------------

VLAN0001         16385 68bc.0c61.3a80         0    2   20  15

VLAN0010          8202 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0020          8212 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0021          8213 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0022          8214 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0023          8215 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0024          8216 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0025          8217 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

VLAN0116          8308 68bc.0c61.2f80         4    2   20  15  Gi1/0/1

ce2-realnoc#

ce2-realnoc#

ce2-realnoc#sh spann vl 1 | in ddress

             Address     68bc.0c61.3a80

             Address     68bc.0c61.3a80

ce2-realnoc#

ce2-realnoc#sh spann vl 10 | in ddress

             Address     68bc.0c61.2f80

             Address     68bc.0c61.3a80

 

ce2-realnoc#sh cdp ne

Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge

                  S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone,

                  D - Remote, C - CVTA, M - Two-port Mac Relay

 

Device ID        Local Intrfce     Holdtme    Capability  Platform  Port ID

ce1-top-crml     Gig 1/0/1         168              S I   WS-C3750G Gig
1/0/1

 

 

--------------------------------------

--------------- ce1 is connect to 9k

--------------------------------------

 

 

RP/0/RSP0/CPU0:sv-b-9k#sh run in g0/0/0/9.116

Tue Sep  4 16:06:37.757 CDT

interface GigabitEthernet0/0/0/9.116 l2transport

description c7 tls-test

encapsulation dot1q any

l2protocol cpsv tunnel

!

 

RP/0/RSP0/CPU0:sv-b-9k#

RP/0/RSP0/CPU0:sv-b-9k#sh run l2vpn xconnect gr tls-test

Tue Sep  4 16:06:51.493 CDT

l2vpn

xconnect group tls-test

  p2p tls-test

   interface GigabitEthernet0/0/0/9.116

   neighbor 10.101.12.253 pw-id 20000

   !

  !

!

!

 

 

--------------------------------------

------------ ce2 is connect to me3600

--------------------------------------

 

noc-3600#sh run in g0/23

Building configuration...

 

Current configuration : 267 bytes

!

interface GigabitEthernet0/23

description c7 tls-test

switchport trunk allowed vlan none

switchport mode trunk

load-interval 30

service instance 1 ethernet

  encapsulation dot1q 1-4094

  l2protocol tunnel

  xconnect 10.101.0.3 20000 encapsulation mpls

 

 

 

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