diff options
author | brian <brian@FreeBSD.org> | 1997-08-19 01:10:24 +0000 |
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committer | brian <brian@FreeBSD.org> | 1997-08-19 01:10:24 +0000 |
commit | f4cc1c34030b6b39140566167f95d436ae620cf8 (patch) | |
tree | f4aec5bd5512e3c3e7b029d26903acef851e30ac /usr.sbin/ppp/ppp.8.m4 | |
parent | 03ba12afe1091b81f6f14967da3302842700df2a (diff) | |
download | FreeBSD-src-f4cc1c34030b6b39140566167f95d436ae620cf8.zip FreeBSD-src-f4cc1c34030b6b39140566167f95d436ae620cf8.tar.gz |
Correct the forth arg to "set ifaddr". If specified,
it gives the IP number that should be used for initial
IPCP config requests, irrespective of MYADDR.
Diffstat (limited to 'usr.sbin/ppp/ppp.8.m4')
-rw-r--r-- | usr.sbin/ppp/ppp.8.m4 | 74 |
1 files changed, 54 insertions, 20 deletions
diff --git a/usr.sbin/ppp/ppp.8.m4 b/usr.sbin/ppp/ppp.8.m4 index b9195d3..55ab62a 100644 --- a/usr.sbin/ppp/ppp.8.m4 +++ b/usr.sbin/ppp/ppp.8.m4 @@ -1,4 +1,4 @@ -.\" $Id: ppp.8,v 1.49 1997/08/17 22:45:25 brian Exp $ +.\" $Id: ppp.8,v 1.50 1997/08/18 20:15:10 brian Exp $ .Dd 20 September 1995 .Os FreeBSD .Dt PPP 8 @@ -937,34 +937,53 @@ To control this IPCP behavior, this implementation has the .Dq set ifaddr command for defining the local and remote IP address: -.Nm set ifaddr -.Op src_addr Op dst_addr Op netmask +.Bd -literal -offset indent +set ifaddr [src_addr [dst_addr [netmask [trigger_addr]]]] +.Ed -Where, +where, .Sq src_addr -is the IP address that the local side is willing to use and +is the IP address that the local side is willing to use, +.Sq dst_addr +is the IP address which the remote side should use and +.Sq netmask +is the netmask that should be used. +.Sq Src_addr +and .Sq dst_addr -is the IP address which the remote side should use. +default to 0.0.0.0, and +.Sq netmask +defaults to whatever mask is appropriate for +.Sq src_addr . +It is only possible to make .Sq netmask -is interface netmask. +smaller than the default. The usual value is 255.255.255.255. +Some incorrect ppp implementations require that the peer negotiates +a specific IP address instead of +.Sq src_addr . +If this is the case, +.Sq trigger_addr +may be used to specify this IP number. This will not affect the +routing table unless the other side agrees with this proposed number. .Bd -literal -offset indent -set ifaddr 192.244.177.38 192.244.177.2 255.255.255.0 +set ifaddr 192.244.177.38 192.244.177.2 255.255.255.255 0.0.0.0 .Ed The above specification means: .Bl -bullet -compact .It -I strongly want to use 192.244.177.38 as my IP address, and I'll -disagree if the peer suggests that I use another address. +I will first suggest that my IP address should be 0.0.0.0, but I +will only accept an address of 192.244.177.38. .It -I strongly insist that peer use 192.244.177.2 as own side address and -don't permit it to use any IP address but 192.244.177.2. When peer -request another IP address, I always suggest that it use 192.244.177.2. +I strongly insist that the peer uses 192.244.177.2 as his own +address and won't permit the use of any IP address but 192.244.177.2. +When the peer requests another IP address, I will always suggest that +it uses 192.244.177.2. .It -My interface netmask will be 255.255.255.0. +The routing table entry will have a netmask of 0xffffffff. .El This is all fine when each side has a pre-determined IP address, however @@ -1134,28 +1153,35 @@ rates of 28800 or more. In general, the serial speed should be about four times the modem speed. .It -Use +Use the .Dq set ifaddr command to define the IP address. .Bl -bullet .It If you know what IP address your provider uses, then use it as the remote -address, otherwise choose something like 10.0.0.2/0 (see below). +address (dst_addr), otherwise choose something like 10.0.0.2/0 (see below). .It If your provider has assigned a particular IP address to you, then use -it as your address. +it as your address (src_addr). .It If your provider assigns your address dynamically, choose a suitably unobtrusive and unspecific IP number as your address. 10.0.0.1/0 would be appropriate. The bit after the / specifies how many bits of the address you consider to be important, so if you wanted to insist on something in the class C network 1.2.3.0, you could specify 1.2.3.1/24. +.It +If you find that your ISP accepts the first IP number that you suggest, +specify third and forth arguments of +.Dq 0.0.0.0 . +This will force your ISP to assign a number. (The third argument will +be ignored as it is less restrictive than the default mask for your +.Sq src_addr . .El .Pp An example for a connection where you don't know your IP number or your ISPs IP number would be: .Bd -literal -offset indent -set ifaddr 10.10.10.10/0 10.10.11.11/0 255.255.255.0 +set ifaddr 10.10.10.10/0 10.10.11.11/0 0.0.0.0 0.0.0.0 .Ed .It @@ -1597,9 +1623,9 @@ This option is similar to the option above. It allows the user to specify a set of characters that will be `escaped' as they travel across the link. -.It set ifaddr myaddr hisaddr mask +.It set ifaddr [myaddr [hisaddr [netmask [triggeraddr]]]] This command specifies the IP addresses that will be used during -LCP negotiation. Addresses are specified using the format +IPCP negotiation. Addresses are specified using the format .Dl a.b.c.d/n @@ -1608,6 +1634,14 @@ of the address we will insist on. If the /n bit is omitted, it defaults to /32 unless the IP address is 0.0.0.0 in which case the mask defaults to /0. +If +.Dq triggeraddr +is specified, it is used in place of +.Dq myaddr +in the initial IPCP negotiation. However, only an address in the +.Dq myaddr +range will be accepted. + .It set log [+|-]value... This command allows the adjustment of the current log level. Please refer to the Logging Facility section for further details. |