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isisd: send proper LSP after DIS election

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After an IS has been elected as the Designated IS for a LAN, it did
not refresh the content of the pseudo-node after a new node has been
connected to the same LAN. Instead, the periodically reoriginated
pseudo-node LSP still contained only those IS neighbors that were
already present when the DIS election process was commenced.

The fix for the problem schedules an LSP regeneration rather than
just reoriginating the same LSP with the old content.

Signed-off-by: Fritz Reichmann <fritz@reichmann.nl>
This commit is contained in:
Peter Szilagyi 2011-10-01 17:15:46 +04:00 committed by Denis Ovsienko
parent 7fd6cd819f
commit 907fd95e50
1 changed files with 4 additions and 0 deletions
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4
isisd/isis_pdu.c
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@ -1187,6 +1187,7 @@ dontcheckadj:
/* 7.3.15.1 e) 1) LSP newer than the one in db or no LSP in db */ /* 7.3.15.1 e) 1) LSP newer than the one in db or no LSP in db */
if ((!lsp || comp == LSP_NEWER)) if ((!lsp || comp == LSP_NEWER))
{ {
int regenerate = (lsp == NULL);
/* i */ /* i */
if (lsp) if (lsp)
{ {
@ -1232,6 +1233,9 @@ dontcheckadj:
if (circuit->circ_type != CIRCUIT_T_BROADCAST) if (circuit->circ_type != CIRCUIT_T_BROADCAST)
ISIS_SET_FLAG (lsp->SSNflags, circuit); ISIS_SET_FLAG (lsp->SSNflags, circuit);
/* FIXME: v) */ /* FIXME: v) */
if (regenerate && circuit->u.bc.is_dr[level - 1]) {
lsp_l1_pseudo_generate (circuit);
}
} }
/* 7.3.15.1 e) 2) LSP equal to the one in db */ /* 7.3.15.1 e) 2) LSP equal to the one in db */
else if (comp == LSP_EQUAL) else if (comp == LSP_EQUAL)