Cisco Discovery Protocol (CDPv2)
Support for Cisco Discovery Protocol (CDPv1) was added in ExtremeXOS 15.4.This update to the feature adds support for Cisco Discovery Protocol (CDPv2). CDPv2 is a proprietary protocol designed by Cisco to help administrators collect information about nearby, and directly connected, devices. Support of listening, lifting, processing, and periodic transmitting of the CDPv1/v2 control packets on a per-port basis is implemented in this current release.
Supported Platforms
Summit X450-G2, X460-G2, X670-G2, X770, and ExtremeSwitching X620, X440-G2 series switches
Limitations
- SNMP is not supported.
Changed CLI Commands
Changes are underlined.
configure cdp voip-vlan [vlan_name | vlan_id | dot1p | untagged | none] ports [port_list | all]
configure cdp trust-extend [untrusted | trusted] ports [port_list | all]
configure cdp cos-extend cos_value ports [port_list | all]
show cdp ports {port_list} {configuration}
configure cdp power-available [advertise | no-advertise] ports [port_list | all]
The output of the following show commands is changed (shown in bold):
X460-48t.1 # show cdp CDP Transmit time : 60 seconds CDP Hold time : 180 seconds CDP Device ID : 00:04:96:8B:C2:CA CDP Enabled ports : 1-2, 7 Power Available TLV Enabled ports: 1-2,23
X460-48t.23 # show cdp ports Neighbor Information -------------------- Port Device-Id Hold time Remote CDP Port ID Version ---- --------- --------- ---------- -------------------- 1 Eni-Extreme-x440-sw> 149 Version-1 Slot: 1, Port: 1 2 00:04:96:8B:9D:B0 160 Version-2 Slot: 1, Port: 2 7 00:04:96:8B:C1:ED 138 Version-2 Slot: 1, Port: 7 > indicates that the value was truncated to the column size in the output. Use the "show cdp neighbor detail" command to see the complete value.
X460-48t.3 # show cdp neighbor Device Id Local Hold Capability Platform Port Id Interface Time -------------------------------------------------------------------------------- Eni-Extreme-x440-sw> 1 150 T X440-24t-10G Slot: 1, P> 00:04:96:8B:9D:B0 2 171 T X440-48t Slot: 1, P> 00:04:96:8B:C1:ED 7 134 T X460-48t Slot: 1, P> --------------------------------------------------------------------------------- Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge, S - Switch, H - Host, I - IGMP, r - Repeater > indicates that the value was truncated to the column size in the output. Use the "detail" option to see the complete value.
X460-48t.7 # show cdp neighbor detail --------------------------------------------------------------------------- Device ID : Eni-Extreme-x440-switch-1 Port ID (outgoing port) : Slot: 1, Port: 1 Advertisement Version : 2 IP Addresses : 10.10.10.2 Platform : X440-24t-10G Interface : 1 Holdtime : 173 Version : ExtremeXOS version 15.7.0.22 fixes_v1570b9 by kosharma on Tue Feb 24 11:53:33 IST 2015 Native VLAN : 1 Duplex : Full SysName : X440-24t-10G Location : Chennai Power Request Id : 24333 Power Management Id : 2 Power Drawn : 1500 mW Power Consumed : 3454 mW
X460-48t.11 # show cdp ports configuration Local Port Information ---------------------- Port Trust COS Voice-VLAN ---- ---------- ---- -------------------- 1 Trusted 0 none 2 Untrusted 4 none 7 Untrusted 0 Default