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Capacity of 29XX as CME when running IPsec VPN

Hi,

As per

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/requirements/guide/cme90spc.html,

2921 can support 100 SCCP phones in CME mode.

Are the same numbers applicable even if we run IPSec VPN on 2921?

Experts, please share your views.

Thanks,

Pete

1 REPLY
VIP Super Bronze

Capacity of 29XX as CME when running IPsec VPN

No, esspecially if you don't have the cryptographic accelorator SPE installed. Without the card, all encrypt/decrypt is done in CPU which will hugely drag down performance.

The maximum supported phone count assumes that CME/SRST is the only thing that router is doing. Multi-service capacity (e.g. CME plus IPsec VPN) isn't published by Cisco. The official line is to configure a router for the features you require and test it under load, monitoring it's performance.

Please remember to rate helpful responses and identify helpful or correct answers.

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