From 3f9fdd98463bd926fc78a2b366875c929058e2db Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Fri, 18 Sep 2020 12:58:40 +0000 Subject: lldp: Move to plugin Type: refactor Change-Id: Ifd770ff4850e63474bf4682ad463021b03786b4b Signed-off-by: Neale Ranns --- src/vnet/lldp/lldp_doc.md | 86 ----------------------------------------------- 1 file changed, 86 deletions(-) delete mode 100644 src/vnet/lldp/lldp_doc.md (limited to 'src/vnet/lldp/lldp_doc.md') diff --git a/src/vnet/lldp/lldp_doc.md b/src/vnet/lldp/lldp_doc.md deleted file mode 100644 index 717de898c4e..00000000000 --- a/src/vnet/lldp/lldp_doc.md +++ /dev/null @@ -1,86 +0,0 @@ -# VPP Link Layer Discovery Protocol (LLDP) implementation {#lldp_doc} - -This is a memo intended to contain documentation of the VPP LLDP implementation -Everything that is not directly obvious should come here. - - -## LLDP -LLDP is a link layer protocol to advertise the capabilities and current status of the system. - -There are 2 nodes handling LLDP - -1.) input-node which processes incoming packets and updates the local database -2.) process-node which is responsible for sending out LLDP packets from VPP side - - -### Configuration - -LLDP has a global configuration and a per-interface enable setting. - -Global configuration is modified using the "set lldp" command - -set lldp [system-name ] [tx-hold ] [tx-interval ] - -system-name: the name of the VPP system sent to peers in the system-name TLV -tx-hold: multiplier for tx-interval when setting time-to-live (TTL) value in the LLDP packets (TTL = tx-hold * tx-interval + 1, if TTL > 65535, then TTL = 65535) -tx-interval: time interval between sending out LLDP packets - -Per interface setting is done using the "set interface lldp" command - -set interface lldp | if_index [port-desc ] [disable] - -interface: the name of the interface for which to enable/disable LLDP -if_index: sw interface index can be used if interface name is not used. -port-desc: port description -disable: LLDP feature can be enabled or disabled per interface. - -### Configuration example - -Configure system-name as "VPP" and transmit interval to 10 seconds: - -set lldp system-name VPP tx-interval 10 - -Enable LLDP on interface TenGigabitEthernet5/0/1 with port description - -set interface lldp TenGigabitEthernet5/0/1 port-desc vtf:eth0 - - -### Operational data - -The list of LLDP-enabled interfaces which are up can be shown using "show lldp" command - -Example: -DBGvpp# show lldp -Local interface Peer chassis ID Remote port ID Last heard Last sent Status -GigabitEthernet2/0/1 never 27.0s ago inactive -TenGigabitEthernet5/0/1 8c:60:4f:dd:ca:52 Eth1/3/3 20.1s ago 18.3s ago active - -All LLDP configuration data with all LLDP-enabled interfaces can be shown using "show lldp detail" command - -Example: -DBGvpp# show lldp detail -LLDP configuration: -Configured system name: vpp -Configured tx-hold: 4 -Configured tx-interval: 30 - -LLDP-enabled interface table: - -Interface name: GigabitEthernet2/0/1 -Interface/peer state: inactive(timeout) -Last known peer chassis ID: -Last known peer port ID: -Last packet sent: 12.4s ago -Last packet received: never - -Interface name: GigabitEthernet2/0/2 -Interface/peer state: interface down -Last packet sent: never - -Interface name: TenGigabitEthernet5/0/1 -Interface/peer state: active -Peer chassis ID: 8c:60:4f:dd:ca:52(MAC address) -Remote port ID: Eth1/3/3(Locally assigned) -Last packet sent: 3.6s ago -Last packet received: 5.5s ago - -- cgit 1.2.3-korg