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isisd: only process overload info from fragment #0

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Signed-off-by: Christian Franke <chris@opensourcerouting.org>
This commit is contained in:
Christian Franke 2017-07-30 19:27:25 +02:00
parent bb5c77d708
commit 39a275aa0f
1 changed files with 7 additions and 6 deletions
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13
isisd/isis_spf.c
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@ -674,6 +674,12 @@ static int isis_spf_process_lsp(struct isis_spftree *spftree,
&& !mt_router_info)
return ISIS_OK;
/* RFC3787 section 4 SHOULD ignore overload bit in pseudo LSPs */
bool no_overload = (pseudo_lsp
|| (spftree->mtid == ISIS_MT_IPV4_UNICAST
&& !ISIS_MASK_LSP_OL_BIT(lsp->hdr.lsp_bits))
|| (mt_router_info && !mt_router_info->overload));
lspfragloop:
if (lsp->hdr.seqno == 0) {
zlog_warn(
@ -686,12 +692,7 @@ lspfragloop:
print_sys_hostname(lsp->hdr.lsp_id));
#endif /* EXTREME_DEBUG */
/* RFC3787 section 4 SHOULD ignore overload bit in pseudo LSPs */
if (pseudo_lsp || (spftree->mtid == ISIS_MT_IPV4_UNICAST
&& !ISIS_MASK_LSP_OL_BIT(lsp->hdr.lsp_bits))
|| (mt_router_info && !mt_router_info->overload))
{
if (no_overload) {
if (pseudo_lsp || spftree->mtid == ISIS_MT_IPV4_UNICAST) {
struct isis_oldstyle_reach *r;
for (r = (struct isis_oldstyle_reach *)