Monitoring DHCP Option 60 Information

Purpose

Display configuration and action information for the DHCP vendor-option (option 60) feature.

Action

To display information for all vendor option configurations:

host1#show dhcp vendor-option 
Codes:
 *       - the configured vendor-string is an exact-match
 default - all DHCP client packets not matching a configured vendor-string
 implied - the DHCP application is configured but has not been enabled
           with the vendor-option command
 drop    - the DHCP application responsible for the action has not been
           configured yet therefore all packets for this application
           will be dropped
 Total 4 entries.
         Vendor-option                            Action                 
-------------------------------- ----------------------------------------
Juniper                          relay to 10.10.1.1 (rx: 0)               
default(*)                       relay to 192.168.5.5 (rx: 0, no-match: 0)   
someString(*)                    relay to 192.168.7.7 (rx: 0)               
someString2(*)                   local-server (rx: 0) 

To display information for option 60 strings that match a configured string:

host1#show dhcp vendor-option vendor-option-relay-server 10.10.1.1
Codes:
 *       - the configured vendor-string is an exact-match
 default - all DHCP client packets not matching a configured vendor-string
 implied - the DHCP application is configured but has not been enabled
           with the vendor-option command
 drop    - the DHCP application responsible for the action has not been
           configured yet therefore all packets for this application
           will be dropped
 Total 4 entries.
         Vendor-option                            Action                 
-------------------------------- ----------------------------------------
Juniper                          relay to 10.10.1.1 (rx: 0) 

Meaning

Table 6 lists the show dhcp vendor-option command output fields.

Table 6: show dhcp vendor-option Output Fields

Field Name

Field Description

Vendor-option

Option 60 string; an asterisk (*) indicates that the string exactly matches a configured option 60 string, default indicates the action to take when the string does not match a configured option 60 string

Action

Action to take for the indicated string match; drop, forward to local-server, proxy client server, or all configured DHCP vendor option servers; or relay to the specified DHCP server

rx

Received packets that match a vendor-option string

no-match

Received packets that do not match a vendor-option string; no-match statistics appear only for default entries

Related Documentation