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* isisd: add support to import routes from other protocolsChristian Franke2015-12-081-30/+6
| | | | Signed-off-by: Christian Franke <chris@opensourcerouting.org>
* isisd: add a slight delay to lsp_regenerate_scheduleChristian Franke2015-12-081-0/+20
| | | | | | | | | | | | | | | | | | | | | | | isisd implements a holdoff interval and will refrain from regenerating an lsp if the difference between the current time and its last refresh is less than the holdoff interval. Instead, it will schedule a timer to regenerate the lsp after the holdoff interval has passed. This implementation has one disadvantage in the case where there is a succession of calls to lsp_regenerate_schedule. In such a case, the first call will trigger an immediate regeneration of the lsp, while the other calls will only schedule the regeneration timer. This leads to cases where it takes holdoff interval time for information to propagate, just because the information was only available e.g. at the second call of lsp_regenerate_schedule in such a succession of calls. By not immediately regenerating an lsp if the last generation time is sufficiently long ago, but instead scheduling the regeneration with a very small delay, we allow all information from such a succession of calls to be considered. Signed-off-by: Christian Franke <chris@opensourcerouting.org> Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
* isisd: add a debug mode that traces LSP constructionChristian Franke2015-12-081-0/+9
| | | | Signed-off-by: Christian Franke <chris@opensourcerouting.org>
* isisd: allow to adjust lsp-mtuChristian Franke2015-12-081-1/+2
| | | | | Signed-off-by: Christian Franke <chris@opensourcerouting.org> Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
* isisd: Attached-bit in LSP headerAmritha Nambiar2015-09-031-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Set/reset attached-bit in LSP header: This patch provides support for set/reset attached_bit in the LSP header. In IS-IS networks, routing inter-area traffic from L1 areas is accomplished by sending the traffic to the nearest L1/L2 router. A L1/L2 router identifies itself by setting an attach-bit (ATT-bit) in its (LSP). The ATT-bit in LSP can be changed using the set-attached-bit or no-set-attached-bit commands (similar to ‘set-overload-bit’ and 'no set-overload-bit’) using telnet terminal in router configuration mode. Steps: enable configure terminal router isis <Routing area> set-attached-bit V2: Removed looping through area list as this well set the bit for all areas in the list. This implementation now looks exactly like the current overload bit implementation. Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
* isisd: add Google's changes to IS-ISJosh Bailey2012-04-071-3/+17
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* * isis_dynh.c, isisd.h: Implement dynamic hostname cache cleanup.hasso2005-09-281-0/+1
| | | | | * isis_lsp.c: Refresh dynamic hostname in the cache while refreshing topology LSP.
* * isis_spf.c: Changing cost from uint16_t to uint32_t. Unsethasso2005-09-261-6/+6
| | | | | | | | | | | | | ISIS_ROUTE_FLAG_ACTIVE flag before running SPF. * isisd.[ch]: Separate route tables for different levels. SPF is done separately, but in case of L1L2 area they have to be merged. * isis_zebra.c: Set/unset ISIS_ROUTE_FLAG_ZEBRA_SYNC flag correctly in case of adding/removing IPv4 routes. * zebra_route.c: Rework route validating process. Merging L1 and L2 tables in case of L1L2 area. In short - many changes to make SPF work more correctly, add/remove to/from RIB also works now. It's still very far from perfect though.
* * isisd.[ch]: Introduce oldmetric flag for area and transitionhasso2005-09-261-0/+1
| | | | | metricstyle command. With metricstyle wide only extended TLVs should be used.
* * isis_lsp.h: Added backpointer to the area from LSP. For now it's usedhasso2005-09-191-3/+5
| | | | | | | | | | | | | only in generated topology LSPs. * isisd.[ch]: Cleanup CLI commands related to topology generation and added command to specify base fo dynamic hostname for topology LSPs. * isis_lsp.c: Rewrite almost all code related to generation topology LSPs (top_lsp_refresh(), generate_topology_lsps() and build_topology_lsp_data() functions). Topology is connected to own LSP now (lsp_build_nonpseudo). Commented out lsppdu_realloc functions, it's not used any more hopefully. Topology generation feature is actually useful now.
* * *.c: Try to be less verbose by default (without any debug optionshasso2005-09-041-0/+1
| | | | | | | on). * isis_lsp.c (lsp_build_nonpseudo): Use stream_reset() instead of touching endp directly. * isis_lsp.c (lsp_build_pseudo): Ditto.
* * configure.ac: Add --enable-isis-topology to enable isisd topologyhasso2005-04-021-3/+0
| | | | | | | | | | | | generator code. * isisd/Makefile.am: Variables to handle conditonal compiling of topology generator code. * isisd/isis_lsp.c: lsppdu_realloc() is used by topology generator. * isisd/isisd.c: Rename show_isis_topology_cmd to not conflict the one in the isis_spf.c. * isisd/isisd.h: Remove TOPOLOGY_GENERATE define, it will be defined in toplevel config.h if topology generator is enabled. * isisd/topology/Makefile.am: Handle the libtoolized Quagga libraries.
* Sync isisd with changes in lib.hasso2004-10-111-2/+2
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* Indentation only. No any functional changes.hasso2004-09-101-45/+50
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* Merge isisd into the Quagga's framework:jardin2003-12-231-1/+0
| | | | | | | | | | - add privs support - use misc quagga's definitions - make it compile"able" - fix segfault cases related to hostname() - add debug isis xxx command This patch has been approved by Paul Jakma.
* Initial revisionjardin2003-12-231-0/+147
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