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bgpd: Set 4096 instead of 65535 as new max packet size for a new peer

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New peers should be initialized with a usual max packet size and later
determined on OPEN messages.

Testing with different peers supporting/not supporting extended support.

2021/07/02 13:48:00 BGP: [WEV7K-2GAQ5] u2:s2 send UPDATE len 8991 (max message len: 65535) numpfx 1788
2021/07/02 13:48:03 BGP: [WEV7K-2GAQ5] u3:s3 send UPDATE len 4096 (max message len: 4096) numpfx 809
2021/07/02 13:48:03 BGP: [WEV7K-2GAQ5] u3:s3 send UPDATE len 4096 (max message len: 4096) numpfx 809

Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
This commit is contained in:
Donatas Abraitis 2021-07-02 16:50:39 +03:00
parent cecd7358f9
commit 0db06e3785
2 changed files with 4 additions and 1 deletions
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1
bgpd/bgp_fsm.c
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@ -256,6 +256,7 @@ static struct peer *peer_xfer_conn(struct peer *from_peer)
from_peer->last_major_event = last_maj_evt;
peer->remote_id = from_peer->remote_id;
peer->last_reset = from_peer->last_reset;
peer->max_packet_size = from_peer->max_packet_size;
peer->peer_gr_present_state = from_peer->peer_gr_present_state;
peer->peer_gr_new_status_flag = from_peer->peer_gr_new_status_flag;

4
bgpd/bgpd.c
View File

@ -1369,7 +1369,7 @@ struct peer *peer_new(struct bgp *bgp)
peer->bgp = bgp_lock(bgp);
peer = peer_lock(peer); /* initial reference */
peer->password = NULL;
peer->max_packet_size = BGP_MAX_PACKET_SIZE;
peer->max_packet_size = BGP_STANDARD_MESSAGE_MAX_PACKET_SIZE;
/* Set default flags. */
FOREACH_AFI_SAFI (afi, safi) {
@ -1466,6 +1466,8 @@ void peer_xfer_config(struct peer *peer_dst, struct peer *peer_src)
(void)peer_sort(peer_dst);
peer_dst->rmap_type = peer_src->rmap_type;
peer_dst->max_packet_size = peer_src->max_packet_size;
/* Timers */
peer_dst->holdtime = peer_src->holdtime;
peer_dst->keepalive = peer_src->keepalive;