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 C-VLAN i-sid switch Management IP Address Not Pingable

Scott Roy's profile image
Scott Roy posted 06-03-2022 18:25

I have just added 2 x VSP 7024's in SPB mode and as an IST clustered pair into my exlsting L2 ToR configuration and the vlan, which has an i-sid assigned is unable to ping outside others within the same C-VLAN and also cannot ping the management IP of its partner. 

VLAN mgmt has been set to the VID of 15 with an i-sid of 1000015. 

I can ping between the 2 over the IPs assigned to the IST. 

ISIS adjanencies are up and I can L2Traceroute to all others withing ToR L2 ring. I can see all other IST clustered switches in the ISIS LSDB. 

Just an odd issue that I would like to get resolved. Any ideas? 

IST clusters are 7001 attached to 7002. 7003 attached to 7004. 7005 attached to 7006. 7007 attached to 7008

Physically - 7001 attaches to 7008. 7002 attaches to 7003. 7004 attaches to 7005. 7006 attaches to 7007. 7008 attaches to 7001. 

The only oddnesss I have seen is the following:

7003>show isis adjacencies
===============================================================================
ISIS Adjacencies
===============================================================================
INTERFACE L STATE UPTIME PRI HOLDTIME SYSID HOST-NAME

===============================================================================
Trunk: 1 1 UP 25d 04:03:13 127 22 0049.0070.0400 7004

Trunk: 64 1 UP 2d 05:30:49 127 20 0049.0070.0200 7002   ** uptime is 2days - switches have been up for 25 days. 

-------------------------------------------------------------------------------
2 interfaces have formed an adjacency
-------------------------------------------------------------------------------

7004(config)#show isis adjacencies
===============================================================================
ISIS Adjacencies
===============================================================================
INTERFACE L STATE UPTIME PRI HOLDTIME SYSID HOST-NAME

===============================================================================
Trunk: 1 1 UP 25d 04:02:38 127 24 0049.0070.0300 7003

Trunk: 64 1 UP 25d 04:02:44 127 26 0049.0070.0500 7005 ** reporting correctly. 

-------------------------------------------------------------------------------
2 interfaces have formed an adjacency
-------------------------------------------------------------------------------

sysDescr: Virtual Services Platform 7024XLS
HW:11 FW:10.3.1.5 SW:v10.4.6.005
sysObjectID: 1.3.6.1.4.1.45.3.79.1
sysUpTime: 25 days, 04:08:58