diff options
Diffstat (limited to 'share/man/man4/stf.4')
| -rw-r--r-- | share/man/man4/stf.4 | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/share/man/man4/stf.4 b/share/man/man4/stf.4 index c5f05e3..94d6d63 100644 --- a/share/man/man4/stf.4 +++ b/share/man/man4/stf.4 @@ -53,17 +53,15 @@ interface. The .Nm interface is necessary for site border router -.Po -called +(called .Dq 6to4 router -in the specification -.Pc . +in the specification). .Pp Due to the way 6to4 protocol is specified, .Nm interface requires certain configuration to work properly. Single -.Pq no more than 1 +(no more than 1) valid 6to4 address needs to be configured to the interface. .Dq A valid 6to4 address is an address which has the following properties. @@ -83,9 +81,9 @@ Since the specification forbids the use of IPv4 private address, the address needs to be a global IPv4 address. .It Subnet identifier portion -.Pq 48th to 63rd bit +(48th to 63rd bit) and interface identifier portion -.Pq lower 64 bits +(lower 64 bits) are properly filled to avoid address collisions. .El .Pp @@ -182,7 +180,8 @@ The following configuration accepts packets from IPv4 source .Li 9.1.0.0/16 only. It emits 6to4 packet only for IPv6 destination 2002:0901::/32 -.Pq IPv4 destination will match Li 9.1.0.0/16 . +(IPv4 destination will match +.Li 9.1.0.0/16 ) . .Bd -literal # ifconfig ne0 inet 9.1.2.3 netmask 0xffff0000 # ifconfig stf0 inet6 2002:0901:0203:0000:a00:5aff:fe38:6f86 \\ @@ -193,12 +192,12 @@ The following configuration uses the .Nm interface as an output-only device. You need to have alternative IPv6 connectivity -.Pq other than 6to4 +(other than 6to4) to use this configuration. For outbound traffic, you can reach other 6to4 networks efficiently via .Nm stf . For inbound traffic, you will not receive any 6to4-tunneled packets -.Pq less security drawbacks . +(less security drawbacks). Be careful not to advertise your 6to4 prefix to others .Pq Li 2002:8504:0506::/48 , and not to use your 6to4 prefix as a source. |
