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bgpd: Disallow ebgp-multihop on swpX peers

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Disallow setting ebgp-multihop on peers directly
connected via an interface.

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2016-07-12 21:13:24 +00:00
parent 60cd035685
commit 63fa10b595
2 changed files with 7 additions and 0 deletions
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6
bgpd/bgp_vty.c
View File

@ -304,6 +304,9 @@ bgp_vty_return (struct vty *vty, int ret)
case BGP_ERR_INVALID_FOR_DYNAMIC_PEER: case BGP_ERR_INVALID_FOR_DYNAMIC_PEER:
str = "Operation not allowed on a dynamic neighbor"; str = "Operation not allowed on a dynamic neighbor";
break; break;
case BGP_ERR_INVALID_FOR_DIRECT_PEER:
str = "Operation not allowed on a directly connected neighbor";
break;
} }
if (str) if (str)
{ {
@ -4434,6 +4437,9 @@ peer_ebgp_multihop_set_vty (struct vty *vty, const char *ip_str,
if (! peer) if (! peer)
return CMD_WARNING; return CMD_WARNING;
if (peer->conf_if)
return bgp_vty_return (vty, BGP_ERR_INVALID_FOR_DIRECT_PEER);
if (! ttl_str) if (! ttl_str)
ttl = MAXTTL; ttl = MAXTTL;
else else

1
bgpd/bgpd.h
View File

@ -1120,6 +1120,7 @@ enum bgp_clear_type
#define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND -31 #define BGP_ERR_DYNAMIC_NEIGHBORS_RANGE_NOT_FOUND -31
#define BGP_ERR_INVALID_FOR_DYNAMIC_PEER -32 #define BGP_ERR_INVALID_FOR_DYNAMIC_PEER -32
#define BGP_ERR_MAX -33 #define BGP_ERR_MAX -33
#define BGP_ERR_INVALID_FOR_DIRECT_PEER -34
/* /*
* Enumeration of different policy kinds a peer can be configured with. * Enumeration of different policy kinds a peer can be configured with.