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Diffstat (limited to 'docs/gettingstarted')
| -rw-r--r-- | docs/gettingstarted/developers/vnet.md | 27 |
1 files changed, 20 insertions, 7 deletions
diff --git a/docs/gettingstarted/developers/vnet.md b/docs/gettingstarted/developers/vnet.md index 826af0a90a9..97336a4cdf2 100644 --- a/docs/gettingstarted/developers/vnet.md +++ b/docs/gettingstarted/developers/vnet.md @@ -497,6 +497,11 @@ These commands have the following optional parameters: on a per-paket basis. Must be >32 and less than 9000. Default value: 512. +- <b>filter</b> - Use the pcap rx / tx / drop trace filter, which must + be configured. Use <b>classify filter pcap...</b> to configure the + filter. The filter will only be executed if the per-interface or + any-interface tests fail. + - <b>intfc _interface_ | _any_</b> - Used to specify a given interface, or use '<em>any</em>' to run packet capture on all interfaces. '<em>any</em>' is the default if not provided. Settings from a previous @@ -521,9 +526,10 @@ These commands have the following optional parameters: ## packet trace capture filtering -The "classify filter" debug CLI command constructs an arbitrary set of - packet classifier tables for use with "pcap rx | tx trace," and - (eventually) with the vpp packet tracer +The "classify filter pcap | <interface-name> " debug CLI command +constructs an arbitrary set of packet classifier tables for use with +"pcap rx | tx | drop trace," and with the vpp packet tracer on a +per-interrface basis. Packets which match a rule in the classifier table chain will be traced. The tables are automatically ordered so that matches in the @@ -540,17 +546,24 @@ and match values. If a classifier table with a suitable mask already exists, the CLI command adds a match rule to the existing table. If not, the CLI command add a new table and the indicated mask rule -### Configure a simple classify filter +### Configure a simple pcap classify filter ``` - classify filter mask l3 ip4 src match l3 ip4 src 192.168.1.11" + classify filter pcap mask l3 ip4 src match l3 ip4 src 192.168.1.11" pcap rx trace on max 100 filter ``` -### Configure another fairly simple filter +### Configure a simple interface packet-tracer filter + +``` + classify filter GigabitEthernet3/0/0 mask l3 ip4 src match l3 ip4 src 192.168.1.11" + [device-driver debug CLI TBD] +``` + +### Configure another fairly simple pcap classify filter ``` - classify filter mask l3 ip4 src dst match l3 ip4 src 192.168.1.10 dst 192.168.2.10 + classify filter pcap mask l3 ip4 src dst match l3 ip4 src 192.168.1.10 dst 192.168.2.10 pcap tx trace on max 100 filter ``` |