Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

How many route entries a 2821 router or 881 router can support

                   One of our client wants to know "How many route entries a 2821 router or 881 router can support"

Such as the 3750 can support 11k routes in ‘desktop routing’ mode. But I want to know the limitations on routers.

Thank you,

Everyone's tags (8)
1 REPLY
Bronze

How many route entries a 2821 router or 881 router can support

Many more than 3750 It depends on DRAM volume available. Catalyst has limitation in hardware-based CEF, not in routing table itself. 2821 is software-based and having 1GB DRAM it can support BGP Full View. I do not recommend you to do it in production, but router can do it. There are some hundreds of thousands routes in Full View nowaday.

542
Views
0
Helpful
1
Replies