Configuring Asynchronous Lines and Interfaces
How to Configure Asynchronous Interfaces and Lines
DC-24
Cisco IOS Dial Technologies Configuration Guide
*Mar 1 21:35:06.206: As4 IPCP: O CONFREQ [ACKrcvd] id 2 len 10
*Mar 1 21:35:06.206: As4 IPCP: Address 172.20.1.2 (0x0306AC140102)
*Mar 1 21:35:06.314: As4 IPCP: I CONFACK [REQsent] id 2 len 10
*Mar 1 21:35:06.318: As4 IPCP: Address 172.20.1.2 (0x0306AC140102)
*Mar 1 21:35:07.274: As4 IPCP: I CONFREQ [ACKrcvd] id 2 len 34
*Mar 1 21:35:07.278: As4 IPCP: Address 0.0.0.0 (0x030600000000)
*Mar 1 21:35:07.282: As4 IPCP: PrimaryDNS 0.0.0.0 (0x810600000000)
*Mar 1 21:35:07.286: As4 IPCP: PrimaryWINS 0.0.0.0 (0x820600000000)
*Mar 1 21:35:07.286: As4 IPCP: SecondaryDNS 0.0.0.0 (0x830600000000)
*Mar 1 21:35:07.290: As4 IPCP: SecondaryWINS 0.0.0.0 (0x840600000000)
*Mar 1 21:35:07.294: As4 IPCP: O CONFNAK [ACKrcvd] id 2 len 34
*Mar 1 21:35:07.298: As4 IPCP: Address 172.20.1.101 (0x0306AC140165)
*Mar 1 21:35:07.302: As4 IPCP: PrimaryDNS 172.20.5.100 (0x8106AC140564)
*Mar 1 21:35:07.306: As4 IPCP: PrimaryWINS 172.20.5.101 (0x8206AC140565)
*Mar 1 21:35:07.310: As4 IPCP: SecondaryDNS 172.20.6.100 (0x8306AC140664)
*Mar 1 21:35:07.314: As4 IPCP: SecondaryWINS 172.20.6.101 (0x8406AC140665)
*Mar 1 21:35:07.426: As4 IPCP: I CONFREQ [ACKrcvd] id 3 len 34
*Mar 1 21:35:07.430: As4 IPCP: Address 172.20.1.101 (0x0306AC140165)
*Mar 1 21:35:07.434: As4 IPCP: PrimaryDNS 172.20.5.100 (0x8106AC140564)
*Mar 1 21:35:07.438: As4 IPCP: PrimaryWINS 172.20.5.101 (0x8206AC140565)
*Mar 1 21:35:07.442: As4 IPCP: SecondaryDNS 172.20.6.100 (0x8306AC140664)
*Mar 1 21:35:07.446: As4 IPCP: SecondaryWINS 172.20.6.101 (0x8406AC140665)
*Mar 1 21:35:07.446: ip_get_pool: As4: validate address = 172.20.1.101
*Mar 1 21:35:07.450: ip_get_pool: As4: using pool default
*Mar 1 21:35:07.450: ip_get_pool: As4: returning address = 172.20.1.101
*Mar 1 21:35:07.454: set_ip_peer_addr: As4: address = 172.20.1.101 (3) is redun
dant
*Mar 1 21:35:07.458: As4 IPCP: O CONFACK [ACKrcvd] id 3 len 34
*Mar 1 21:35:07.462: As4 IPCP: Address 172.20.1.101 (0x0306AC140165)
*Mar 1 21:35:07.466: As4 IPCP: PrimaryDNS 172.20.5.100 (0x8106AC140564)
*Mar 1 21:35:07.470: As4 IPCP: PrimaryWINS 172.20.5.101 (0x8206AC140565)
*Mar 1 21:35:07.474: As4 IPCP: SecondaryDNS 172.20.6.100 (0x8306AC140664)
*Mar 1 21:35:07.474: As4 IPCP: SecondaryWINS 172.20.6.101 (0x8406AC140665)
*Mar 1 21:35:07.478: As4 IPCP: State is Open
*Mar 1 21:35:07.490: As4 IPCP: Install route to 172.20.1.101
*Mar 1 21:35:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:36:12.614: tty0: timer type 1 expired
*Mar 1 21:36:12.614: tty0: Exec timer (continued)
*Mar 1 21:36:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:37:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:38:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:39:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:40:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:41:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:42:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
*Mar 1 21:43:25.038: As4 PPP: Unsupported or un-negotiated protocol. Link cdp
Configuring Asynchronous Rotary Line Queueing
The Cisco IOS Asynchronous Rotary Line Queueing feature allows Telnet connection requests to busy
asynchronous rotary groups to be queued so that users automatically obtain the next available line, rather
than needing to try repeatedly to open a Telnet connection. The Cisco IOS software sends a periodic
message to the user to update progress in the connection queue.
This feature allows users to make effective use of the asynchronous rotary groups on a Cisco router to
access legacy mainframes or other serial devices with a limited number of asynchronous ports that might
be used by a large number of users. Users that are unable to make a Telnet connection on the first attempt
are assured of eventual success in an orderly process. They are no longer required to guess when a line
might be available and to retry manually again and again.
Comments to this Manuals