On 23 August 2016 at 13:40, Olivier Benghozi <[email protected]> wrote: > And about a limitation to 10 communities: > I've seen that on SEOS (Redback/Ericsson OS for SmartEdge routers) when using > "set community" in a route-map. This is a ridiculous arbitrary limitation, of > course. > > Hopefully the limitation was only in the CLI, not in the BGP code itself. So > the workaround was to use the route-map "continue" command like in a BASIC > GOTO structure to add more communities in additional route-map entries (with > set community additive - these are Cisco-like commands). > >> Le 23 août 2016 à 14:03, Alexander Arseniev <[email protected]> a >> écrit : >> >> In BGP messages, a regular community is encoded in 7 bytes, and extended one >> in 11 bytes. >> >> Max BGP message size is 4096 bytes - this sets a limit for regular >> communities number to about 4K/7=570, and for extended communities to about >> 4K/11=360, if You consider the minimal mandatory information that has to be >> there apart from communities. >> >> >> On 23/08/2016 03:18, Huan Pham wrote: >>> >>> I remember hitting a limit on a number of communities (something like 10 or >>> so) on a platform (can not remember which one from which vendor). So I >>> believe that there is a hard limit a platform or OS can support. >>> >>> I test this in the lab and found no problem with tagging 100 communities. >>> >>> Is there a maximum number of communities that Junos can tag to a route? If >>> yes, then what it is? Thanks.
Hi, Hopefully not completely hijacking this thread; I'm interested to know if there is a way I can limit a peer to a maximum number of communities? Cheers, James. _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp

