Hi, Could you try no spanning-tree etherchannel guard misconfig on 4948.
Best On Tue, Oct 11, 2016 at 3:03 PM, David Wilkinson < cisco-...@noroutetohost.net> wrote: > It doesn't do it on any topology change, Never had the this problem > between classic IOS devices. This has happened since we migrated some links > over to ASRs, It is making me wonder if I have missed something in the ASR > configuration. > The logs on the other devices in the network doesn't show any topology > changes until after the error disable. > > Happens on both 4948 - ASR links within the same second, which then > isolates the 4948s from the rest of the network. > > ASR 1 ------ ASR 2 > | | > | | > 4948 1 ---- 4948 2 > > > On 11/10/2016 12:20, Mattias Gyllenvarg wrote: > >> Spanning tree? >> >> >> tis 11 okt. 2016 kl 13:01 skrev David Wilkinson < >> cisco-...@noroutetohost.net <mailto:cisco-...@noroutetohost.net>>: >> >> Hi >> >> We have a couple of port-channels between Cisco 4948 and Cisco ASR >> 9006 >> devices, periodicity we are seeing these error disable with the >> following. >> >> 4948 log: >> %SPANTREE-5-ROOTCHANGE: Root Changed for vlan 1234: New Root Port is >> Port-channel2. New Root Mac Address is xxxx.xxxx.0cc0 >> %SPANTREE-5-ROOTCHANGE: Root Changed for vlan 1234: New Root Port is >> Port-channel2. New Root Mac Address is xxxx.xxxx.0cc0 >> %SPANTREE-5-TOPOTRAP: Topology Change Trap for vlan 1234 >> %PM-4-ERR_DISABLE: channel-misconfig (STP) error detected on Po2, >> putting Te1/50 in err-disable state >> %EC-5-UNBUNDLE: Interface Te1/50 left the port-channel Po2 >> %PM-4-ERR_DISABLE: channel-misconfig (STP) error detected on Po2, >> putting Te1/52 in err-disable state >> %EC-5-UNBUNDLE: Interface Te1/52 left the port-channel Po2 >> %PM-4-ERR_DISABLE: channel-misconfig (STP) error detected on Po2, >> putting Po2 in err-disable state >> >> ASR log: >> ifmgr[209]: %PKT_INFRA-LINK-3-UPDOWN : Interface >> GigabitEthernet0/0/0/18, changed state to Down >> ifmgr[209]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface >> GigabitEthernet0/0/0/18, changed state to Down >> ifmgr[209]: %PKT_INFRA-LINK-3-UPDOWN : Interface >> GigabitEthernet0/0/0/19, changed state to Down >> ifmgr[209]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface >> GigabitEthernet0/0/0/19, changed state to Down >> BM-DISTRIB[1155]: %L2-BM-6-ACTIVE : GigabitEthernet0/0/0/18 is no >> longer >> Active as part of Bundle-Ether2 (Link is down) >> BM-DISTRIB[1155]: %L2-BM-6-ACTIVE : GigabitEthernet0/0/0/19 is no >> longer >> Active as part of Bundle-Ether2 (Link is down) >> ifmgr[248]: %PKT_INFRA-LINK-3-UPDOWN : Interface Bundle-Ether2, >> changed >> state to Down >> ifmgr[248]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface >> Bundle-Ether2, changed state to Down >> ifmgr[248]: %PKT_INFRA-LINK-3-UPDOWN : Interface Bundle-Ether2.1234, >> changed state to Down >> ifmgr[248]: %PKT_INFRA-LINEPROTO-5-UPDOWN : Line protocol on Interface >> Bundle-Ether2.1234, changed state to Down >> >> Is there anything that I maybe missing on the ASR configuration which >> might be causing this to happen? >> >> ------------------------------------------------------------ >> ---------------------------------------------- >> interface GigabitEthernet0/0/0/18 >> bundle id 2 mode active >> cdp >> negotiation auto >> ! >> interface GigabitEthernet0/0/0/19 >> bundle id 2 mode active >> cdp >> negotiation auto >> ! >> interface Bundle-Ether2 >> mtu 9198 >> ! >> interface Bundle-Ether2.1234 l2transport >> encapsulation dot1q 1234 >> rewrite ingress tag pop 1 symmetric >> ! >> >> ------------------------------------------------------------ >> ---------------------------------------------- >> >> #show bundle bundle-ether 2 >> Tue Oct 11 10:51:59.942 UTC >> >> Bundle-Ether2 >> Status: Up >> Local links <active/standby/configured>: 2 / 0 / 2 >> Local bandwidth <effective/available>: 2000000 (2000000) kbps >> MAC address (source): 00c1.6408.f1c3 >> (Chassis pool) >> Inter-chassis link: No >> Minimum active links / bandwidth: 1 / 1 kbps >> Maximum active links: 64 >> Wait while timer: 2000 ms >> Load balancing: Default >> LACP: Operational >> Flap suppression timer: Off >> Cisco extensions: Disabled >> Non-revertive: Disabled >> mLACP: Not configured >> IPv4 BFD: Not configured >> >> Port Device State Port ID >> B/W, kbps >> -------------------- --------------- ----------- -------------- >> ---------- >> Gi0/0/0/18 Local Active 0x8000, >> 0x0004 1000000 >> Link is Active >> Gi0/0/0/19 Local Active 0x8000, >> 0x0003 1000000 >> Link is Active >> ------------------------------------------------------------ >> ---------------------------------------------- >> >> >> Bundle-Ether2.1234 is attached to a VPLS going off to other parts >> of the >> network. >> >> Cisco 4948 config: >> ! >> interface TenGigabitEthernet1/50 >> switchport trunk allowed vlan 1234,1235, etc >> switchport mode trunk >> mtu 9198 >> logging event link-status >> channel-protocol lacp >> channel-group 2 mode active >> ! >> interface TenGigabitEthernet1/52 >> switchport trunk allowed vlan 1234,1235, etc >> switchport mode trunk >> mtu 9198 >> logging event link-status >> channel-protocol lacp >> channel-group 2 mode active >> ! >> interface Port-channel2 >> switchport >> switchport trunk allowed vlan 1234,1235, etc >> switchport mode trunk >> mtu 9198 >> ! >> >> ------------------------------------------------------------ >> ---------------------------------------------- >> >> #show etherchannel 2 detail >> Group state = L2 >> Ports: 2 Maxports = 8 >> Port-channels: 1 Max Port-channels = 1 >> Protocol: LACP >> Minimum Links: 0 >> >> >> Ports in the group: >> ------------------- >> Port: Te1/50 >> ------------ >> >> Port state = Up Mstr Assoc In-Bndl >> Channel group = 2 Mode = Active Gcchange = - >> Port-channel = Po2 GC = - Pseudo >> port-channel = Po2 >> Port index = 1 Load = 0x00 Protocol = LACP >> >> Flags: S - Device is sending Slow LACPDUs F - Device is sending >> fast >> LACPDUs. >> A - Device is in active mode. P - Device is in >> passive mode. >> >> Local information: >> LACP port Admin Oper Port >> Port >> Port Flags State Priority Key Key Number >> State >> Te1/50 SA bndl 32768 0x2 0x2 0x33 >> 0x3D >> >> Partner's information: >> >> LACP port Admin Oper >> Port Port >> Port Flags Priority Dev ID Age key Key >> Number State >> Te1/50 SA 32768 00c1.6408.f1c4 21s 0x0 0x2 0x4 >> 0x3D >> >> Age of the port in the current state: 0d:15h:36m:32s >> >> Port: Te1/52 >> ------------ >> >> Port state = Up Mstr Assoc In-Bndl >> Channel group = 2 Mode = Active Gcchange = - >> Port-channel = Po2 GC = - Pseudo >> port-channel = Po2 >> Port index = 0 Load = 0x00 Protocol = LACP >> >> Flags: S - Device is sending Slow LACPDUs F - Device is sending >> fast >> LACPDUs. >> A - Device is in active mode. P - Device is in >> passive mode. >> >> Local information: >> LACP port Admin Oper Port >> Port >> Port Flags State Priority Key Key Number >> State >> Te1/52 SA bndl 32768 0x2 0x2 0x35 >> 0x3D >> >> Partner's information: >> >> LACP port Admin Oper >> Port Port >> Port Flags Priority Dev ID Age key Key >> Number State >> Te1/52 SA 32768 00c1.6408.f1c4 21s 0x0 0x2 0x3 >> 0x3D >> >> Age of the port in the current state: 0d:15h:36m:33s >> >> Port-channels in the group: >> --------------------------- >> >> Port-channel: Po2 (Primary Aggregator) >> >> ------------ >> >> Age of the Port-channel = 154d:19h:59m:09s >> Logical slot/port = 21/2 Number of ports = 2 >> Port state = Port-channel Ag-Inuse >> Protocol = LACP >> Port security = Disabled >> >> Ports in the Port-channel: >> >> Index Load Port EC state No of bits >> ------+------+------+------------------+----------- >> 1 00 Te1/50 Active 0 >> 0 00 Te1/52 Active 0 >> >> Time since last port bundled: 0d:15h:36m:32s Te1/50 >> Time since last port Un-bundled: 0d:15h:39m:40s Te1/52 >> ------------------------------------------------------------ >> ---------------------------------------------- >> >> ASR is running XR 5.3.3 >> 4948 is running IOS 15.1(2)SG7 >> >> Any ideas on what the issue might be? >> >> Thanks >> >> David >> >> >> _______________________________________________ >> cisco-nsp mailing list cisco-nsp@puck.nether.net >> <mailto:cisco-nsp@puck.nether.net> >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> >> > _______________________________________________ > 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/ > _______________________________________________ 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/