Hi,
I am facing issues in inconsistencies between two Nexus 7K. Nexus1 and Nexus2 are connected with VPC fabricpath and NonVPC as well.
HSRP on Nexus1 for VLAN 97 is not getting its standby(Nexus2) however Nexus2 is getting its active(Nexus1).
Below are the configuration & issues.
Nexus1:
vlan 97
mode fabricpath
interface Vlan97
no ip redirects
ip address 10.30.6.60/27
no ipv6 redirects
ip ospf passive-interface
ip router ospf 100 area 0.0.0.100
hsrp version 2
hsrp 97
authentication md5 key-string edn
preempt
priority 120
ip 10.30.6.62
no shutdown
interface port-channel90
description vPC+ peer-link
switchport
switchport mode fabricpath
vpc peer-link
interface port-channel51
description Non_vPC_LINK
switchport
switchport mode trunk
switchport trunk native vlan 4
switchport trunk allowed vlan 730,734
spanning-tree port type network
spanning-tree vlan 97 priority 0
interface port-channel115
switchport trunk allowed vlan 97
vpc 115
sh spanning-tree vlan 97
VLAN0097
Spanning tree enabled protocol rstp
Root ID Priority 97
Address c84c.75fa.6000
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 97 (priority 0 sys-id-ext 97)
Address c84c.75fa.6000
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Po115 Desg FWD 200 128.4210 (vPC) P2p Peer(STP)
sh hsrp interface vlan 97
Vlan97 - Group 97 (HSRP-V2) (IPv4)
Local state is Active, priority 120 (Cfged 120), may preempt
Forwarding threshold(for vPC), lower: 1 upper: 120
Hellotime 3 sec, holdtime 10 sec
Next hello sent in 0.702000 sec(s)
Virtual IP address is 10.30.6.62 (Cfged)
Active router is local
Standby router is unknown
Authentication MD5, key-string "edn"
Virtual mac address is 0000.0c9f.f061 (Default MAC)
7 state changes, last state change 01:15:04
IP redundancy name is hsrp-Vlan97-97 (default)
Some Logs:
%STP-2-BRIDGE_ASSURANCE_BLOCK: Bridge Assurance blocking port port-channel51 VLAN0097
%STP-2-L2GW_BACKBONE_UNBLOCK: L2 Gateway Backbone port inconsistency cleared unblocking port port
-channel115 on VLAN0097
Nexus2:
vlan 97
mode fabricpath
interface Vlan97
no ip redirects
ip address 10.30.6.61/27
no ipv6 redirects
ip ospf passive-interface
ip router ospf 100 area 0.0.0.100
hsrp version 2
hsrp 97
authentication md5 key-string edn
preempt
ip 10.30.6.62
no shutdown
interface port-channel90
description vPC+ peer-link
switchport
switchport mode fabricpath
vpc peer-link
interface port-channel4051
description Non_vPC_LINK
switchport
switchport mode trunk
switchport trunk native vlan 4
switchport trunk allowed vlan 730,734
spanning-tree port type network
spanning-tree vlan 97 priority 8192
interface port-channel115
switchport trunk allowed vlan 97
vpc 115
sh spanning-tree vlan 97
VLAN0097
Spanning tree enabled protocol rstp
Root ID Priority 8289
Address c84c.75fa.6000
This bridge is the root
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 8289 (priority 8192 sys-id-ext 97)
Address c84c.75fa.6000
Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- --------------------------------
Po115 Desg FWD 200 128.4210 (vPC) P2p Peer(STP)
Vlan97 - Group 97 (HSRP-V2) (IPv4)
Local state is Standby, priority 100 (Cfged 100), may preempt
Forwarding threshold(for vPC), lower: 1 upper: 100
Hellotime 3 sec, holdtime 10 sec
Next hello sent in 0.212000 sec(s)
Virtual IP address is 10.30.6.62 (Cfged)
Active router is 10.30.6.60, priority 120 expires in 1.002000 sec(s)
Standby router is local
Authentication MD5, key-string "edn"
Virtual mac address is 0000.0c9f.f061 (Default MAC)
11 state changes, last state change 00:32:16
IP redundancy name is hsrp-Vlan97-97 (default)
Some Logs:
%STP-2-L2GW_BACKBONE_UNBLOCK: L2 Gateway Backbone port inconsistency cleared unblocking port port
-channel51 on VLAN0097.
Appreciate your support.
Regards,
Anser
