Архив рубрики: huawei

L2VC PW down

Февраль 25, 2019 t3mp Оставить комментарий

<PE1> dis ver | i ATN
VRP (R) software, Version 5.160 (ATN910B V200R005C10SPC100)
HUAWEI ATN910B uptime is 220 days, 6 hours, 20 minutes

<PE1> dis ver | i ATN

VRP (R) software, Version 5.160 (ATN910B V200R005C10SPC100)

HUAWEI ATN910B uptime is 220 days, 6 hours, 20 minutes

LDP сессия живет, метки есть, PW лежит:

<PE1> dis vsi name VSI1 peer-info 172.16.1.1  verbose
   *Peer Router ID         : 172.16.1.1
    Negotiation-vc-id      : 2520
    primary or secondary   : primary
    ignore-standby-state   : no
    VC Label               : 2230
    Peer Type              : dynamic
    Session                : up
    Tunnel ID              :
    Broadcast Tunnel ID    : 0x0
    Broad BackupTunnel ID  : 0x0
    CKey                   : 900
    NKey                   : 791
    Stp Enable             : 0
    PwIndex                : 0
    Control Word           : disable

  **PW Information:

   *Peer Ip Address        : 172.16.1.1
    PW State               : down
    Local VC Label         : 2230
    Remote VC Label        : 26156
    Remote Control Word    : disable
    PW Type                : label
    Local  VCCV            : alert lsp-ping
    Remote VCCV            : alert ttl lsp-ping
    Tunnel ID              :
    Broadcast Tunnel ID    : 0x0
    Broad BackupTunnel ID  : 0x0
    Ckey                   : 0x384
    Nkey                   : 0x317
    Main PW Token          : 0x0
    Slave PW Token         : 0x0
    Tnl Type               : Other
    OutInterface           :
    Backup OutInterface    :
    Stp Enable             : 0
    PW Last Up Time        : 2019/02/22 16:00:00
    PW Total Up Time       : 2 days, 16 hours, 28 minutes, 2 seconds

<PE1> dis vsi name VSI1 peer-info 172.16.1.1 verbose

*Peer Router ID : 172.16.1.1

Negotiation-vc-id : 2520

primary or secondary : primary

ignore-standby-state : no

VC Label : 2230

Peer Type : dynamic

Session : up

Tunnel ID :

Broadcast Tunnel ID : 0x0

Broad BackupTunnel ID : 0x0

CKey : 900

NKey : 791

Stp Enable : 0

PwIndex : 0

Control Word : disable

**PW Information:

*Peer Ip Address : 172.16.1.1

PW State : down

Local VC Label : 2230

Remote VC Label : 26156

Remote Control Word : disable

PW Type : label

Local VCCV : alert lsp-ping

Remote VCCV : alert ttl lsp-ping

Tunnel ID :

Broadcast Tunnel ID : 0x0

Broad BackupTunnel ID : 0x0

Ckey : 0x384

Nkey : 0x317

Main PW Token : 0x0

Slave PW Token : 0x0

Tnl Type : Other

OutInterface :

Backup OutInterface :

Stp Enable : 0

PW Last Up Time : 2019/02/22 16:00:00

PW Total Up Time : 2 days, 16 hours, 28 minutes, 2 seconds

Без меток трафик ходит:

<PE1> ping -a 10.200.1.31 -c 1 172.16.1.1
  PING 172.16.1.1: 56  data bytes, press CTRL_C to break
    Reply from 172.16.1.1: bytes=56 Sequence=1 ttl=249 time=2 ms
  --- 172.16.1.1 ping statistics ---
    1 packet(s) transmitted
    1 packet(s) received
    0.00% packet loss
    round-trip min/avg/max = 2/2/2 ms

<PE1> ping -a 10.200.1.31 -c 1 172.16.1.1

PING 172.16.1.1: 56 data bytes, press CTRL_C to break

Reply from 172.16.1.1: bytes=56 Sequence=1 ttl=249 time=2 ms

--- 172.16.1.1 ping statistics ---

1 packet(s) transmitted

1 packet(s) received

0.00% packet loss

round-trip min/avg/max = 2/2/2 ms

ping,tracert lsp фэйлится:

<PE1> tracert lsp ip 172.16.1.1 32
  LSP Trace Route FEC: IPV4 PREFIX 172.16.1.1/32 , press CTRL_C to break.
Error: The specified LSP does not exist.

<PE1> tracert lsp ip 172.16.1.1 32

LSP Trace Route FEC: IPV4 PREFIX 172.16.1.1/32 , press CTRL_C to break.

Error: The specified LSP does not exist.

Транзит работает, локально коробка не шлет трафик в LSP:

<PE1> dis mpls ldp lsp 172.16.1.1 32 | i 10.200.0.72
 LDP LSP Information
 -------------------------------------------------------------------------------
 DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 -------------------------------------------------------------------------------
 172.16.1.1/32     619/5949        10.200.0.72     10.220.8.41     GE0/2/2
 -------------------------------------------------------------------------------
 TOTAL: 24 Normal LSP(s) Found.
 TOTAL: 23 Liberal LSP(s) Found.
 TOTAL: 0 Frr LSP(s) Found.
 A '*' before an LSP means the LSP is not established
 A '*' before a Label means the USCB or DSCB is stale
 A '*' before a UpstreamPeer means the session is stale
 A '*' before a DS means the session is stale
 A '*' before a NextHop means the LSP is FRR LSP

<PE1> dis mpls ldp lsp 172.16.1.1 32 | i 10.200.0.72

LDP LSP Information

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

DestAddress/Mask In/OutLabel UpstreamPeer NextHop OutInterface

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

172.16.1.1/32 619/5949 10.200.0.72 10.220.8.41 GE0/2/2

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

TOTAL: 24 Normal LSP(s) Found.

TOTAL: 23 Liberal LSP(s) Found.

TOTAL: 0 Frr LSP(s) Found.

A '*' before an LSP means the LSP is not established

A '*' before a Label means the USCB or DSCB is stale

A '*' before a UpstreamPeer means the session is stale

A '*' before a DS means the session is stale

A '*' before a NextHop means the LSP is FRR LSP

<PE1> dis mpls lsp include 172.16.1.1 32
-------------------------------------------------------------------------------
                 LSP Information: LDP LSP
-------------------------------------------------------------------------------
FEC                In/Out Label  In/Out IF                      Vrf Name
172.16.1.1/32      619/5949      -/GE0/2/2

<PE1> dis mpls lsp include 172.16.1.1 32

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

LSP Information: LDP LSP

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

FEC In/Out Label In/Out IF Vrf Name

172.16.1.1/32 619/5949 -/GE0/2/2

Посмотрим в FIB:

<PE1> dis fib 172.16.1.1 32
  Route Entry Count: 1
Destination/Mask   Nexthop         Flag  TimeStamp     Interface      TunnelID
172.16.1.1/32     10.220.8.41      DGHU  t[18066447]   GE0/2/2        0x0

<PE1> dis fib 172.16.1.1 32

Route Entry Count: 1

Destination/Mask Nexthop Flag TimeStamp Interface TunnelID

172.16.1.1/32 10.220.8.41 DGHU t[18066447] GE0/2/2 0x0

LSP не активный (« LspFwdFlag=0 и LspToken=0x0 ),

<PE1> dis fib 172.16.1.1 32 verbose
  Route Entry Count: 1
 Destination: 172.16.1.1          Mask     : 255.255.255.255
 Nexthop    : 10.220.8.41         OutIf    : GigabitEthernet0/2/2
 LocalAddr  : 10.220.8.42         LocalMask: 0.0.0.0
 Flags      : DGHU                Age      : 729719sec
 ATIndex    : 0                   Slot     : 0
 LspFwdFlag : 0                   LspToken : 0x0
 InLabel    : NULL                OriginAs : 0
 BGPNextHop : 0.0.0.0             PeerAs   : 0
 QosInfo    : 0x0                 OriginQos: 0x0
 NexthopBak : 0.0.0.0             OutIfBak : [No Intf]
 LspTokenBak: 0x0                 InLabelBak : NULL
 LspToken_ForInLabelBak : 0x0
 EntryRefCount : 0
 VlanId : 0x0
 BgpKey : 0
 BgpKeyBak : 0
 LspType         : 0              Label_ForLspTokenBak   : 0
 MplsMtu         : 0              Gateway_ForLspTokenBak : 0.0.0.0
 NextToken       : 0x0            IfIndex_ForLspTokenBak : 0
 Label_NextToken : 0              Label : 0
 LspBfdState     : 0

<PE1> dis fib 172.16.1.1 32 verbose

Route Entry Count: 1

Destination: 172.16.1.1 Mask : 255.255.255.255

Nexthop : 10.220.8.41 OutIf : GigabitEthernet0/2/2

LocalAddr : 10.220.8.42 LocalMask: 0.0.0.0

Flags : DGHU Age : 729719sec

ATIndex : 0 Slot : 0

LspFwdFlag : 0 LspToken : 0x0

InLabel : NULL OriginAs : 0

BGPNextHop : 0.0.0.0 PeerAs : 0

QosInfo : 0x0 OriginQos: 0x0

NexthopBak : 0.0.0.0 OutIfBak : [No Intf]

LspTokenBak: 0x0 InLabelBak : NULL

LspToken_ForInLabelBak : 0x0

EntryRefCount : 0

VlanId : 0x0

BgpKey : 0

BgpKeyBak : 0

LspType : 0 Label_ForLspTokenBak : 0

MplsMtu : 0 Gateway_ForLspTokenBak : 0.0.0.0

NextToken : 0x0 IfIndex_ForLspTokenBak : 0

Label_NextToken : 0 Label : 0

LspBfdState : 0

Настройки MPLS, используется фильтрация для экономии памяти, LSP по умолчанию строятся только для региональных префиков:

<PE1> dis cur conf mpls
#
mpls lsr-id 10.200.1.31
mpls
 mpls te
 lsp-trigger ip-prefix pl-reg
 mpls rsvp-te
 mpls rsvp-te hello
 mpls rsvp-te hello support-peer-gr
 mpls te cspf
#

<PE1> dis cur conf mpls

mpls lsr-id 10.200.1.31

mpls

mpls te

lsp-trigger ip-prefix pl-reg

mpls rsvp-te

mpls rsvp-te hello

mpls rsvp-te hello support-peer-gr

mpls te cspf

<PE1> dis ip ip-prefix pl-reg
Prefix-list pl-reg
Permitted 1108524499
Denied 650241154
        index: 10            permit  10.200.0.0/24             ge 32   le 32
        index: 20            permit  10.200.13.0/24            ge 32   le 32

<PE1> dis ip ip-prefix pl-reg

Prefix-list pl-reg

Permitted 1108524499

Denied 650241154

index: 10 permit 10.200.0.0/24 ge 32 le 32

index: 20 permit 10.200.13.0/24 ge 32 le 32

<PE1> sy
[PE1] ip ip-prefix pl-reg index 30 permit 172.16.1.1 32 greater-equal 32 less-equal 32

1 2	<PE1> sy [PE1] ip ip-prefix pl-reg index 30 permit 172.16.1.1 32 greater-equal 32 less-equal 32

<PE1> dis fib 172.16.1.1 32
  Route Entry Count: 1
Destination/Mask   Nexthop         Flag  TimeStamp     Interface      TunnelID
172.16.1.1/32     10.220.8.41      DGHU  t[19030344]   GE0/2/2        0x232

<PE1> dis fib 172.16.1.1 32

Route Entry Count: 1

Destination/Mask Nexthop Flag TimeStamp Interface TunnelID

172.16.1.1/32 10.220.8.41 DGHU t[19030344] GE0/2/2 0x232

<PE1> dis fib 172.16.1.1 32 verbose
  Route Entry Count: 1
 Destination: 172.16.1.1         Mask     : 255.255.255.255
 Nexthop    : 10.220.8.41         OutIf    : GigabitEthernet0/2/2
 LocalAddr  : 10.220.8.42         LocalMask: 0.0.0.0
 Flags      : DGHU                Age      : 90sec
 ATIndex    : 0                   Slot     : 0
 LspFwdFlag : 1                   LspToken : 0x232
 InLabel    : NULL                OriginAs : 0
 BGPNextHop : 0.0.0.0             PeerAs   : 0
 QosInfo    : 0x0                 OriginQos: 0x0
 NexthopBak : 0.0.0.0             OutIfBak : [No Intf]
 LspTokenBak: 0x0                 InLabelBak : NULL
 LspToken_ForInLabelBak : 0x0
 EntryRefCount : 0
 VlanId : 0x0
 BgpKey : 0
 BgpKeyBak : 0
 LspType         : 0              Label_ForLspTokenBak   : 0
 MplsMtu         : 0              Gateway_ForLspTokenBak : 0.0.0.0
 NextToken       : 0x0            IfIndex_ForLspTokenBak : 0
 Label_NextToken : 0              Label : 0
 LspBfdState     : 0

<PE1> dis fib 172.16.1.1 32 verbose

Route Entry Count: 1

Destination: 172.16.1.1 Mask : 255.255.255.255

Nexthop : 10.220.8.41 OutIf : GigabitEthernet0/2/2

LocalAddr : 10.220.8.42 LocalMask: 0.0.0.0

Flags : DGHU Age : 90sec

ATIndex : 0 Slot : 0

LspFwdFlag : 1 LspToken : 0x232

InLabel : NULL OriginAs : 0

BGPNextHop : 0.0.0.0 PeerAs : 0

QosInfo : 0x0 OriginQos: 0x0

NexthopBak : 0.0.0.0 OutIfBak : [No Intf]

LspTokenBak: 0x0 InLabelBak : NULL

LspToken_ForInLabelBak : 0x0

EntryRefCount : 0

VlanId : 0x0

BgpKey : 0

BgpKeyBak : 0

LspType : 0 Label_ForLspTokenBak : 0

MplsMtu : 0 Gateway_ForLspTokenBak : 0.0.0.0

NextToken : 0x0 IfIndex_ForLspTokenBak : 0

Label_NextToken : 0 Label : 0

LspBfdState : 0

Коробка отправляет трафик в LSP:

<PE1> dis mpls lsp include 172.16.1.1 32
-------------------------------------------------------------------------------
                 LSP Information: LDP LSP
-------------------------------------------------------------------------------
FEC                In/Out Label  In/Out IF                      Vrf Name
172.16.1.1/32      NULL/5949     -/GE0/2/2
172.16.1.1/32      619/5949      -/GE0/2/2

<PE1> dis mpls lsp include 172.16.1.1 32

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

LSP Information: LDP LSP

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

FEC In/Out Label In/Out IF Vrf Name

172.16.1.1/32 NULL/5949 -/GE0/2/2

172.16.1.1/32 619/5949 -/GE0/2/2

<PE1> tracert lsp ip 172.16.1.1 32
  LSP Trace Route FEC: IPV4 PREFIX 172.16.1.1/32 , press CTRL_C to break.
  TTL   Replier            Time    Type      Downstream
  0                                Ingress   10.220.8.41/[5949 ]
  1     10.220.8.41        15 ms   Transit   10.220.1.126/[36396 ]
  2     10.220.1.126       19 ms   Transit   10.220.9.146/[40017 ]
  3     10.220.9.146       8 ms    Transit   10.220.0.9/[34604 ]
  4     10.220.0.9         9 ms    Transit   10.220.3.242/[27538 3 ]
<skip>

<PE1> tracert lsp ip 172.16.1.1 32

LSP Trace Route FEC: IPV4 PREFIX 172.16.1.1/32 , press CTRL_C to break.

TTL Replier Time Type Downstream

0 Ingress 10.220.8.41/[5949 ]

1 10.220.8.41 15 ms Transit 10.220.1.126/[36396 ]

2 10.220.1.126 19 ms Transit 10.220.9.146/[40017 ]

3 10.220.9.146 8 ms Transit 10.220.0.9/[34604 ]

4 10.220.0.9 9 ms Transit 10.220.3.242/[27538 3 ]

<skip>

<PE1> dis vsi name VSI1 peer-info 172.16.1.1
VSI Name: VSI1                                        Signaling: ldp
--------------------------------------------------------------------
Peer                Transport  Local      Remote      VC
Addr                VC ID/TAII VC Label   VC Label    State
--------------------------------------------------------------------
172.16.1.1         2520       2230       26156        up

<PE1> dis vsi name VSI1 peer-info 172.16.1.1

VSI Name: VSI1 Signaling: ldp

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

Peer Transport Local Remote VC

Addr VC ID/TAII VC Label VC Label State

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

172.16.1.1 2520 2230 26156 up

huawei, troubleshooting

Huawei NQA L3VPN

Март 9, 2018 t3mp Оставить комментарий

Клиент жалуется на «периодичные» проблемы с каналом. Попробуем найти их с помощью NQA. Каждые 10 сек отправляем по 1 ICMP сообщению, хранится только последние 1000 проб:

<R1> display cur conf nqa
#
nqa test-instance CE1 ICMP
test-type icmp
records history 1000
destination-address ipv4 172.16.103.138
source-address ipv4 172.16.103.137
interval seconds 10 
 probe-count 1
vpn-instance CE1
frequency 10
start now
#

<R1> display cur conf nqa

nqa test-instance CE1 ICMP

test-type icmp

records history 1000

destination-address ipv4 172.16.103.138

source-address ipv4 172.16.103.137

interval seconds 10

probe-count 1

vpn-instance CE1

frequency 10

start now

Смотрим историю, сразу исключаем успешные пробы:
460 : начало проблемы
464 : конец проблемы, судя по интервалу, очень похоже на перестроение STP

<R1> display nqa history | exclude success
NQA entry(CE1,ICMP) history:
------------------------------------------------------------------------------------
Index T/H/P       Response Status       Address         Time
------------------------------------------------------------------------------------
450  7945/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:08:10.392+05:00
451  7946/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:08:20.411+05:00
452  7947/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:08:30.419+05:00
453  7948/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:08:40.435+05:00
454  7949/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:08:50.366+05:00
460  7955/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:09:50.420+05:00   // начало проблемы
461  7956/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:10:00.438+05:00
462  7957/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:10:10.438+05:00
463  7958/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:10:20.452+05:00
464  7959/1/1      3000ms timeout      172.16.103.138  2017-06-27 13:10:30.455+05:00  // конец проблемы, судя по интервалу, очень похоже на перестроение STP
791  8286/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:05:02.624+05:00
792  8287/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:05:12.647+05:00
793  8288/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:05:22.663+05:00
794  8289/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:05:32.672+05:00
795  8290/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:05:42.688+05:00
802  8297/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:06:52.678+05:00
803  8298/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:07:02.682+05:00
804  8299/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:07:12.690+05:00
805  8300/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:07:22.603+05:00
806  8301/1/1      3000ms timeout      172.16.103.138  2017-06-27 14:07:32.710+05:00

<R1> display nqa history | exclude success

NQA entry(CE1,ICMP) history:

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

Index T/H/P Response Status Address Time

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

450 7945/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:08:10.392+05:00

451 7946/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:08:20.411+05:00

452 7947/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:08:30.419+05:00

453 7948/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:08:40.435+05:00

454 7949/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:08:50.366+05:00

460 7955/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:09:50.420+05:00 // начало проблемы

461 7956/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:10:00.438+05:00

462 7957/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:10:10.438+05:00

463 7958/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:10:20.452+05:00

464 7959/1/1 3000ms timeout 172.16.103.138 2017-06-27 13:10:30.455+05:00 // конец проблемы, судя по интервалу, очень похоже на перестроение STP

791 8286/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:05:02.624+05:00

792 8287/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:05:12.647+05:00

793 8288/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:05:22.663+05:00

794 8289/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:05:32.672+05:00

795 8290/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:05:42.688+05:00

802 8297/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:06:52.678+05:00

803 8298/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:07:02.682+05:00

804 8299/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:07:12.690+05:00

805 8300/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:07:22.603+05:00

806 8301/1/1 3000ms timeout 172.16.103.138 2017-06-27 14:07:32.710+05:00

Смотрим ниже на доступе, последний раз топология менялась в ~ 14:08:

sw1# show clock
14:48:06.634 EKTB Tue Jun 27 2017

1 2	sw1# show clock 14:48:06.634 EKTB Tue Jun 27 2017

sw1# show spanning-tree vlan 2518 detail
VLAN2518 is executing the rstp compatible Spanning Tree protocol
  Bridge Identifier has priority 32768, sysid 2518, address 1cdf.0fe9.7e80
  Configured hello time 2, max age 20, forward delay 15, transmit hold-count 6
  We are the root of the spanning tree
  Topology change flag not set, detected flag not set
  Number of topology changes 146 last change occurred 00:40:23 ago           // последний раз топология менялась в ~ 14:08
          from GigabitEthernet1/10
  Times:  hold 1, topology change 35, notification 2
          hello 2, max age 20, forward delay 15
  Timers: hello 0, topology change 0, notification 0, aging 300

Port 10 (GigabitEthernet1/10) of VLAN2518 is designated forwarding
   Port path cost 4, Port priority 128, Port Identifier 128.10.
   Designated root has priority 35286, address 1cdf.0fe9.7e80
   Designated bridge has priority 35286, address 1cdf.0fe9.7e80
   Designated port id is 128.10, designated path cost 0
   Timers: message age 0, forward delay 0, hold 0
   Number of transitions to forwarding state: 55
   Link type is point-to-point by default, Peer is STP
   BPDU: sent 1028786, received 102

Port 1281 (Port-channel1) of VLAN2518 is designated forwarding
   Port path cost 1, Port priority 128, Port Identifier 128.1281.
   Designated root has priority 35286, address 1cdf.0fe9.7e80
   Designated bridge has priority 35286, address 1cdf.0fe9.7e80
   Designated port id is 128.1281, designated path cost 0
   Timers: message age 0, forward delay 0, hold 0
   Number of transitions to forwarding state: 1
   Link type is point-to-point by default
   BPDU: sent 11228767, received 0

sw1# show spanning-tree vlan 2518 detail

VLAN2518 is executing the rstp compatible Spanning Tree protocol

Bridge Identifier has priority 32768, sysid 2518, address 1cdf.0fe9.7e80

Configured hello time 2, max age 20, forward delay 15, transmit hold-count 6

We are the root of the spanning tree

Topology change flag not set, detected flag not set

Number of topology changes 146 last change occurred 00:40:23 ago // последний раз топология менялась в ~ 14:08

from GigabitEthernet1/10

Times: hold 1, topology change 35, notification 2

hello 2, max age 20, forward delay 15

Timers: hello 0, topology change 0, notification 0, aging 300

Port 10 (GigabitEthernet1/10) of VLAN2518 is designated forwarding

Port path cost 4, Port priority 128, Port Identifier 128.10.

Designated root has priority 35286, address 1cdf.0fe9.7e80

Designated bridge has priority 35286, address 1cdf.0fe9.7e80

Designated port id is 128.10, designated path cost 0

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 55

Link type is point-to-point by default, Peer is STP

BPDU: sent 1028786, received 102

Port 1281 (Port-channel1) of VLAN2518 is designated forwarding

Port path cost 1, Port priority 128, Port Identifier 128.1281.

Designated root has priority 35286, address 1cdf.0fe9.7e80

Designated bridge has priority 35286, address 1cdf.0fe9.7e80

Designated port id is 128.1281, designated path cost 0

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

Link type is point-to-point by default

BPDU: sent 11228767, received 0

Топология постоянно пересчитывается, удачно попали на Learning:

sw1# show spanning-tree vlan 2518
VLAN2518
  Spanning tree enabled protocol rstp
  Root ID    Priority    35286
             Address     1cdf.0fe9.7e80
             This bridge is the root
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    35286  (priority 32768 sys-id-ext 2518)
             Address     1cdf.0fe9.7e80
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time  300 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Gi1/10              Desg LRN 4         128.10   P2p Peer(STP)
Po1                 Desg FWD 1         128.1281 P2p

sw1# show spanning-tree vlan 2518

VLAN2518

Spanning tree enabled protocol rstp

Root ID Priority 35286

Address 1cdf.0fe9.7e80

This bridge is the root

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Bridge ID Priority 35286 (priority 32768 sys-id-ext 2518)

Address 1cdf.0fe9.7e80

Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec

Aging Time 300 sec

Interface Role Sts Cost Prio.Nbr Type

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

Gi1/10 Desg LRN 4 128.10 P2p Peer(STP)

Po1 Desg FWD 1 128.1281 P2p

Передаем кейс на доступ.

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