. WIKIMERIONET
Merion Mertics , ,

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CRM

4

IOS, Cisco. Cisco IOS Internetwork Operating System ( ) , Cisco ( CatOS). IOS , , , .

Cisco IOS. ASA, Linux -, IOS-XR. Cisco IOS , . Cisco IOS: , Cisco, IOS , IOS, .

IOS flash. - . , , . Cisco IOS - (RAM), , IOS , . , , . IOS , , . - , .

IOS (CLI), , Telnet, SSH AUX .

Cisco IOS , a.b(c.d)e, :

  • a
  • b ( )
  • c
  • d
  • e (, ) , none ( ), T (Technology), E (Enterprise), S (Service provider), XA , XB . .

Rebuild IOS. , , , , , .

Interim release , .

Maintenance release , . Cisco , , Maintenance.

 IOS   Cisco

:

  • Early Deployment (ED) , .
  • Limited Deployment (LD) , .
  • General Deployment (GD) , , . , ,
  • Maintenance Deployment (MD) , .

Cisco, IOS, - Feature Set. , Cisco IOS, Catalyst, ( IP-), , IPv4 IP-, , IPv6.

feature set (IP Base Static Routes, OSPF, RIP, EIGRP. ISIS, BGP, IMGP, PBR, Multicast):

  • IP- (Data BFD, IP SLAs, IPX, L2TPv3, Mobile IP, MPLS, SCTP)
  • (Unified Communications CUBE, SRST, Voice Gateway, CUCME, DSP, VXML)
  • VPN (Security Firewall, SSL VPN, DMVPN, IPS, GET VPN, IPSec)

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