--- On Wed, 4/25/12, Steven Raymond <sraym...@acedatacenter.com> wrote:
From: Steven Raymond <sraym...@acedatacenter.com> Subject: Re: [c-nsp] MSTP between Cisco / Brocade To: "Randy" <randy_94...@yahoo.com> Cc: "cisco-nsp Service Providers" <cisco-nsp@puck.nether.net> Date: Wednesday, April 25, 2012, 3:03 PM On Apr 25, 2012, at 3:55 PM, Randy wrote: I am not clear if you have 802.1s OR 802-1w enabled on the Brocade(care to post the stp output from Brocade?) sh run | i mstp mstp name acedc mstp revision 1 mstp instance 0 vlan 1 to 4090 mstp start tel...@ar04.prov#show mstp detail MSTP Instance 0 (CIST) - VLAN Scope: 1 to 4090 ---------------------------------------------------------------------------- Bridge: 80000024389c3d00 [Priority 32768, SysId 0, Mac 0024389c3d00] FwdDelay 15, HelloTime 2, MaxHops 20, TxHoldCount 6 Port 2/1 - Role: DESIGNATED - State: FORWARDING PathCost 2000, Priority 128, OperEdge T, OperPt2PtMac F, Boundary N/A Designated - Root 80000024389c3d00, RegionalRoot 80000024389c3d00, Bridge 80000024389c3d00, ExtCost 0, IntCost 0 ActiveTimers - helloWhen 2 MachineState - PRX-DISCARD, PTX-IDLE, PPM-SENDING_RSTP, PIM-CURRENT PRT-ACTIVE_PORT, PST-FORWARDING, TCM-INACTIVE BPDUs - Rcvd MST 0, RST 0, Config 0, TCN 0 Sent MST 11, RST 0, Config 0, TCN 0 tel...@ar04.prov#sh spanning-tree tel...@ar04.prov#show rstp tel...@ar04.prov# That helpful? Thanks! Yes & No. Yes: both devices are running 802.1s No: Because of outputs posted: Output from Brocade-above: "Bridge: 80000024389c3d00 [Priority 32768, SysId 0, Mac 0024389c3d00]" Output from Cisco: Port 4 (TenGigabitEthernet1/4) of MST0 is designated blocking (dispute) Port path cost 2000, Port priority 128, Port Identifier 128.4. Designated root has priority 16384, address 0015.62b7.0dc0 Designated bridge has priority 16384, address 0015.62b7.0dc0 Who is: 0015.62b7.0dc0 with a bridge-priority of 16384? That is the "who" the cisco is blocking. >From Brocade-output above: Bridge: 80000024389c3d00 [Priority 32768, SysId 0, Mac 0024389c3d00] ./Randy _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
