diff options
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/ipvlan.txt | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/Documentation/networking/ipvlan.txt b/Documentation/networking/ipvlan.txt index 1fe42a874aae..bfa91c77a4c9 100644 --- a/Documentation/networking/ipvlan.txt +++ b/Documentation/networking/ipvlan.txt @@ -22,9 +22,19 @@ The driver can be built into the kernel (CONFIG_IPVLAN=y) or as a module There are no module parameters for this driver and it can be configured using IProute2/ip utility. - ip link add link <master-dev> name <slave-dev> type ipvlan mode { l2 | l3 | l3s } + ip link add link <master> name <slave> type ipvlan [ mode MODE ] [ FLAGS ] + where + MODE: l3 (default) | l3s | l2 + FLAGS: bridge (default) | private - e.g. ip link add link eth0 name ipvl0 type ipvlan mode l2 + e.g. + (a) Following will create IPvlan link with eth0 as master in + L3 bridge mode + bash# ip link add link eth0 name ipvl0 type ipvlan + (b) This command will create IPvlan link in L2 bridge mode. + bash# ip link add link eth0 name ipvl0 type ipvlan mode l2 bridge + (c) This command will create an IPvlan device in L2 private mode. + bash# ip link add link eth0 name ipvlan type ipvlan mode l2 private 4. Operating modes: @@ -54,7 +64,21 @@ works in this mode and hence it is L3-symmetric (L3s). This will have slightly l performance but that shouldn't matter since you are choosing this mode over plain-L3 mode to make conn-tracking work. -5. What to choose (macvlan vs. ipvlan)? +5. Mode flags: + At this time following mode flags are available + +5.1 bridge: + This is the default option. To configure the IPvlan port in this mode, +user can choose to either add this option on the command-line or don't specify +anything. This is the traditional mode where slaves can cross-talk among +themseleves apart from talking through the master device. + +5.2 private: + If this option is added to the command-line, the port is set in private +mode. i.e. port wont allow cross communication between slaves. + + +6. What to choose (macvlan vs. ipvlan)? These two devices are very similar in many regards and the specific use case could very well define which device to choose. if one of the following situations defines your use case then you can choose to use ipvlan - |