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isisd: ignore the unrecognized TLVs

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When processing LSPDUs, the unrecognized TLVs/sub-TLVs should be
silently ignored.

In parse_tlvs(), ISIS_WARNING is returned once an unrecognized TLV
exists. It breaks the processing in lsp_authentication_check() and
lsp_update_data(). So remove it.

Signed-off-by: Feng Lu <lu.feng@6wind.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
Lu Feng 2014-02-19 09:05:05 +00:00 committed by David Lamparter
parent 404fd2974f
commit fd6f39a514
1 changed files with 0 additions and 1 deletions
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isisd/isis_tlv.c
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@ -742,7 +742,6 @@ parse_tlvs (char *areatag, u_char * stream, int size, u_int32_t * expected,
zlog_warn ("ISIS-TLV (%s): unsupported TLV type %d, length %d",
areatag, type, length);
retval = ISIS_WARNING;
pnt += length;
break;
}