07-09-2009 08:25 PM - edited 03-04-2019 05:23 AM
Hi, can the 2 build in gigabit ethernet ports support layer 3 routing? I have a Metro-E connection that needs to terminate in this router. Can this be done or do I have to get the HWIC-1FE card to support this?
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07-09-2009 09:10 PM
How will the connection from your Metro-E be presented to the 2821?
The 2821 has 2 routed Gig ports.
07-10-2009 03:27 AM
As also noted by Leo, yes you can route on the two built in Ethernet ports. If you need more than two gig ports, another can be added using the HWIC-1GE-SFP. You also have the option of adding two HWIC-1FEs, one HWIC-2FE, or one of the Ethernet switch modules. (The latter routes via VLANs).
Something to keep in mind, a 2821 doesn't really have sufficient processing performance to guarantee routing at 100 Mbps let alone gig, although 10 Mbps should be fine.
07-09-2009 09:10 PM
How will the connection from your Metro-E be presented to the 2821?
The 2821 has 2 routed Gig ports.
07-09-2009 10:15 PM
The ISP will terminate and hand off a RJ45 to me.
07-10-2009 03:27 AM
As also noted by Leo, yes you can route on the two built in Ethernet ports. If you need more than two gig ports, another can be added using the HWIC-1GE-SFP. You also have the option of adding two HWIC-1FEs, one HWIC-2FE, or one of the Ethernet switch modules. (The latter routes via VLANs).
Something to keep in mind, a 2821 doesn't really have sufficient processing performance to guarantee routing at 100 Mbps let alone gig, although 10 Mbps should be fine.
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