In the latest version
SONiC Software Version: SONiC.HEAD.253-20ab99b
Distribution: Debian 8.10
Kernel: 3.16.0-5-amd64
Build commit: 20ab99b
Build date: Sun Mar 4 07:39:19 UTC 2018
Built by: johnar@jenkins-worker-3
the lldp portidsubtype wasn't set to "locally assigned" but "mac address", it can be verified on the peer Arista VM with t0 topology.
ARISTA04T1#show lldp neighbors detail
Interface Ethernet1 detected 1 LLDP neighbors:
Neighbor 248a.0740.0966/248a.0740.0940, age 2 seconds
Discovered 0:09:01 ago; Last changed 0:09:01 ago
- Chassis ID type: MAC address (4)
Chassis ID : 248a.0740.0966
- Port ID type: MAC address (3)
Port ID : 248a.0740.0940
- Time To Live: 120 seconds
- Port Description: "Ethernet120"
- System Name: "arc-mtbc-1001"
- System Description: "Debian GNU/Linux 8 (jessie) Linux 3.16.0-5-amd64 #1 SMP Debian 3.16.51-3+deb8u1 (2018-01-08) x86_64"
- System Capabilities : Bridge, WLAN Access Point, Router, Station Only
Enabled Capabilities: Bridge, Router
- Management Address Subtype: IPv4
Management Address : 10.12.206.180
Interface Number Subtype : ifIndex (2)
Interface Number : 2
OID String :
- Management Address Subtype: IPv6
Management Address : fc00:2::32
Interface Number Subtype : ifIndex (2)
Interface Number : 2
OID String :
- IEEE802.1/IEEE802.3 Link Aggregation
Link Aggregation Status: Capable, Disabled (0x01)
Port ID : 0
- IEEE802.3 MAC/PHY Configuration/Status
Auto-negotiation : Not Supported
Operational MAU Type : Unknown
This is different with the version build on 28th Feb, on this version it was set to "locally assigned"
ARISTA04T1#show lldp neighbors detail
Interface Ethernet1 detected 1 LLDP neighbors:
Neighbor 248a.0740.0966/"Ethernet120", age 27 seconds
Discovered 0:00:26 ago; Last changed 0:00:26 ago
- Chassis ID type: MAC address (4)
Chassis ID : 248a.0740.0966
- Port ID type: Locally assigned (7)
Port ID : "Ethernet120"
- Time To Live: 120 seconds
- Port Description: "ARISTA04T1:Ethernet1"
- System Name: "arc-mtbc-1001"
- System Description: "Debian GNU/Linux 8 (jessie) Linux 3.16.0-5-amd64 #1 SMP Debian 3.16.51-3+deb8u1 (2018-01-08) x86_64"
- System Capabilities : Bridge, WLAN Access Point, Router, Station Only
Enabled Capabilities: Bridge, Router
- Management Address Subtype: IPv4
Management Address : 10.1.0.32
Interface Number Subtype : ifIndex (2)
Interface Number : 1
OID String :
- Management Address Subtype: IPv6
Management Address : fc00:1::32
Interface Number Subtype : ifIndex (2)
Interface Number : 1
OID String :
- IEEE802.1/IEEE802.3 Link Aggregation
Link Aggregation Status: Capable, Disabled (0x01)
Port ID : 0
- IEEE802.3 MAC/PHY Configuration/Status
Auto-negotiation : Not Supported
Operational MAU Type : Unknown
when this happened, the lldpmgrd is running:
root@arc-mtbc-1001:/# ps -A
PID TTY TIME CMD
1 ? 00:00:00 supervisord
16 ? 00:00:00 rsyslogd
21 ? 00:00:00 lldpd
23 ? 00:00:00 lldpd
25 ? 00:00:00 python2
31 ? 00:00:00 python
191 ? 00:00:00 bash
196 ? 00:00:00 ps
root@arc-mtbc-1001:/# cat /proc/31/environ
TERM=xtermSUPERVISOR_SERVER_URL=unix:///var/run/supervisor.sockDEBIAN_FRONTEND=noninteractiveHOSTNAME=arc-mtbc-1001SUPERVISOR_ENABLED=1SUPERVISOR_PROCESS_NAME=lldpmgrdSUPERVISOR_GROUP_NAME=lldpmgrdHOME=/rootPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
root@arc-mtbc-1001:/#
In the latest version
the lldp portidsubtype wasn't set to "locally assigned" but "mac address", it can be verified on the peer Arista VM with t0 topology.
This is different with the version build on 28th Feb, on this version it was set to "locally assigned"
when this happened, the lldpmgrd is running: