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2003-08-27 Kunihiro Ishiguro <kunihiro@zebra.org>

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* bgpd/bgp_route.c: More work on bgp maximum prefix support
This commit is contained in:
paul 2003-08-27 07:07:02 +00:00
parent 537d8ea92b
commit c22854b878
1 changed files with 24 additions and 21 deletions
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45
bgpd/bgp_route.c
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@ -867,32 +867,35 @@ bgp_process (struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi)
int
bgp_maximum_prefix_overflow (struct peer *peer, afi_t afi, safi_t safi)
{
if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)
&& peer->pcount[afi][safi] > peer->pmax[afi][safi])
if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX))
{
zlog (peer->log, LOG_INFO,
"MAXPFXEXCEED: No. of prefix received from %s (afi %d): %ld exceed limit %ld",
peer->host, afi, peer->pcount[afi][safi], peer->pmax[afi][safi]);
if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING))
/* Once we should revert this for future work. */
if (peer->pcount[afi][safi] >= peer->pmax[afi][safi])
{
char ndata[7];
zlog (peer->log, LOG_INFO,
"MAXPFXEXCEED: No. of prefix received from %s (afi %d): %ld exceed limit %ld", peer->host, afi, peer->pcount[afi][safi], peer->pmax[afi][safi]);
if (! CHECK_FLAG (peer->af_flags[afi][safi],
PEER_FLAG_MAX_PREFIX_WARNING))
{
char ndata[7];
ndata[0] = (u_char)(afi >> 8);
ndata[1] = (u_char) afi;
ndata[3] = (u_char)(peer->pmax[afi][safi] >> 24);
ndata[4] = (u_char)(peer->pmax[afi][safi] >> 16);
ndata[5] = (u_char)(peer->pmax[afi][safi] >> 8);
ndata[6] = (u_char)(peer->pmax[afi][safi]);
ndata[0] = (u_char)(afi >> 8);
ndata[1] = (u_char) afi;
ndata[3] = (u_char)(peer->pmax[afi][safi] >> 24);
ndata[4] = (u_char)(peer->pmax[afi][safi] >> 16);
ndata[5] = (u_char)(peer->pmax[afi][safi] >> 8);
ndata[6] = (u_char)(peer->pmax[afi][safi]);
if (safi == SAFI_MPLS_VPN)
safi = BGP_SAFI_VPNV4;
ndata[2] = (u_char) safi;
if (safi == SAFI_MPLS_VPN)
safi = BGP_SAFI_VPNV4;
ndata[2] = (u_char) safi;
SET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW);
bgp_notify_send_with_data (peer, BGP_NOTIFY_CEASE,
BGP_NOTIFY_CEASE_MAX_PREFIX,
ndata, 7);
return 1;
SET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW);
bgp_notify_send_with_data (peer, BGP_NOTIFY_CEASE,
BGP_NOTIFY_CEASE_MAX_PREFIX,
ndata, 7);
return 1;
}
}
}
return 0;