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Why do X670's compress routes


Just converted from BDX8 to duel X670G2-48x-4q site router and we see compressed routes. Everything seems to be working fine, we are just trying to understand the behavior.
Code 15.6.3.1
Total number of routes = 257
Total number of compressed routes = 62

Does the 257 include the 62 compressed routes?
What is the switch compressing routes?
What is the route limit?

Thanks

3 replies

Userlevel 2
After 15.5.2 release, route compression is enabled by default in EXOS. You can check this in "show ipconfg" output.
If 10.x.x.x network is received from same gateway with /8, /16 and /24 subnet then /8 route will be installed in the routing table and the other 2 routes will be kept as compressed route.
Parthiban V wrote:

After 15.5.2 release, route compression is enabled by default in EXOS. You can check this in "show ipconfg" output.
If 10.x.x.x network is received from same gateway with /8, /16 and /24 subnet then /8 route will be installed in the routing table and the other 2 routes will be kept as compressed route.

Thanks for the info
Userlevel 7
Parthiban V wrote:

After 15.5.2 release, route compression is enabled by default in EXOS. You can check this in "show ipconfg" output.
If 10.x.x.x network is received from same gateway with /8, /16 and /24 subnet then /8 route will be installed in the routing table and the other 2 routes will be kept as compressed route.

I think it was introduced with 15.6.1 actually.

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