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Today's Topics:
1. How to troubleshoot device connections (Damian R. Cleveland)
2. Re: How to troubleshoot device connections (Damian R. Cleveland)
3. Re: How to troubleshoot device connections (Damian R. Cleveland)
4. Re: How to troubleshoot device connections (Christian Ramseyer)
--- Begin Message ---
Hello,
I have a Palo Alto FW and a Cisco switch that see one another via LLDP from the
respective command lines but will not link in the neighbors tab in NetDisco.
Would someone care to share how I would begin to troubleshoot this?
Thank You!
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
--- End Message ---
--- Begin Message ---
By the way, both devices are discovered via SNMP.
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
From: "Damian R. Cleveland" <dcl...@idaccr.org>
To: "netdisco-users" <netdisco-users@lists.sourceforge.net>
Sent: Monday, January 6, 2025 12:09:47 PM
Subject: [Netdisco] How to troubleshoot device connections
Hello,
I have a Palo Alto FW and a Cisco switch that see one another via LLDP from the
respective command lines but will not link in the neighbors tab in NetDisco.
Would someone care to share how I would begin to troubleshoot this?
Thank You!
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
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Netdisco mailing list
netdisco-users@lists.sourceforge.net
https://sourceforge.net/p/netdisco/mailman/netdisco-users/
--- End Message ---
--- Begin Message ---
Hi.
I'm digging.
When I execute "sh lldp neighbor detail" from the cisco device, I get the
following output:
Time remaining: 102 seconds
System Capabilities: O,P,B,R
Enabled Capabilities: O,R
Management Addresses - not advertised
Auto Negotiation - not supported
Physical media capabilities - not advertised
Media Attachment Unit type - not advertised
Vlan ID: - not advertised
Peer Source MAC: e898.6db9.9a10
Are those "not advertised" the problem?
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
From: "Damian R. Cleveland" <dcl...@idaccr.org>
To: "netdisco-users" <netdisco-users@lists.sourceforge.net>
Sent: Monday, January 6, 2025 12:13:43 PM
Subject: Re: [Netdisco] How to troubleshoot device connections
By the way, both devices are discovered via SNMP.
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
From: "Damian R. Cleveland" <dcl...@idaccr.org>
To: "netdisco-users" <netdisco-users@lists.sourceforge.net>
Sent: Monday, January 6, 2025 12:09:47 PM
Subject: [Netdisco] How to troubleshoot device connections
Hello,
I have a Palo Alto FW and a Cisco switch that see one another via LLDP from the
respective command lines but will not link in the neighbors tab in NetDisco.
Would someone care to share how I would begin to troubleshoot this?
Thank You!
-------
Damian Cleveland
Networking Engineering
Institute For Defense Analyses, Princeton, NJ
Office:609-279-6265
Mobile:609-235-8870
--------
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Netdisco mailing list
netdisco-users@lists.sourceforge.net
https://sourceforge.net/p/netdisco/mailman/netdisco-users/
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--- End Message ---
--- Begin Message ---
On 06.01.2025 19:42, Damian R. Cleveland wrote:
Hi.
I'm digging.
When I execute "sh lldp neighbor detail" from the cisco device, I get
the following output:
Time remaining: 102 seconds
System Capabilities: O,P,B,R
Enabled Capabilities: O,R
Management Addresses - not advertised
Auto Negotiation - not supported
Physical media capabilities - not advertised
Media Attachment Unit type - not advertised
Vlan ID: - not advertised
Peer Source MAC: e898.6db9.9a10
Are those "not advertised" the problem?
Yes most likely the Addresses not advertised are the issue, Netdisco
will use this to form the neighbor relation.
Cheers
Christian
--- End Message ---
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