diff options
| -rw-r--r-- | sbin/spppcontrol/spppcontrol.8 | 14 | ||||
| -rw-r--r-- | sbin/spppcontrol/spppcontrol.c | 5 |
2 files changed, 18 insertions, 1 deletions
diff --git a/sbin/spppcontrol/spppcontrol.8 b/sbin/spppcontrol/spppcontrol.8 index ca227c9..60c08a0 100644 --- a/sbin/spppcontrol/spppcontrol.8 +++ b/sbin/spppcontrol/spppcontrol.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd December 27, 2001 +.Dd December 30, 2001 .Os .Dt SPPPCONTROL 8 .Sh NAME @@ -172,6 +172,17 @@ defaulting to 3000 ms. Enable negotiation of Van Jacobsen header compression. (Enabled by default.) .It Ar disable-vj Disable negotiation of Van Jacobsen header compression. +.It Ar enable-ipv6 +Enable negotiation of the IPv6 network control protocol. (Enabled by +default if the kernel has IPv6 enabled.) +.It Ar disable-ipv6 +Disable negotiation of the IPv6 network control protocol. Since every +IPv4 interface in an IPv6-enabled kernel automatically gets an IPv6 +address assigned, this option provides for a way to administratively +prevent the link from attempting to negotiate IPv6. Note that +initialization of an IPv6 interface causes a multicast packet to be +sent, which can cause unwanted traffic costs (for dial-on-demand +interfaces). .El .Sh EXAMPLES .Bd -literal @@ -181,6 +192,7 @@ bppp0: phase=dead hisauthproto=chap hisauthname="ifb-gw" norechallenge lcp-timeout=3000 enable-vj + enable-ipv6 .Ed .Pp Display the settings for bppp0. The interface is currently in diff --git a/sbin/spppcontrol/spppcontrol.c b/sbin/spppcontrol/spppcontrol.c index 2d20570..26ec6a2 100644 --- a/sbin/spppcontrol/spppcontrol.c +++ b/sbin/spppcontrol/spppcontrol.c @@ -177,6 +177,10 @@ main(int argc, char **argv) spr.defs.enable_vj = 1; else if (strcmp(argv[0], "disable-vj") == 0) spr.defs.enable_vj = 0; + else if (strcmp(argv[0], "enable-ipv6") == 0) + spr.defs.enable_ipv6 = 1; + else if (strcmp(argv[0], "disable-ipv6") == 0) + spr.defs.enable_ipv6 = 0; else errx(EX_DATAERR, "bad parameter: \"%s\"", argv[0]); @@ -221,6 +225,7 @@ print_vals(const char *ifname, struct spppreq *sp) } printf("\tlcp-timeout=%d ms\n", sp->defs.lcp.timeout); printf("\t%sable-vj\n", sp->defs.enable_vj? "en": "dis"); + printf("\t%sable-ipv6\n", sp->defs.enable_ipv6? "en": "dis"); } const char * |
