[Capwap] There is one issue (commented by Pasi) left
young <young@h3c.com> Tue, 26 January 2010 10:05 UTC
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Date: Tue, 26 Jan 2010 18:05:05 +0800
From: young <young@h3c.com>
In-reply-to: <808FD6E27AD4884E94820BC333B2DB775841199B38@NOK-EUMSG-01.mgdnok.nokia.com>
To: Pasi.Eronen@nokia.com
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Cc: capwap-chairs@tools.ietf.org, capwap@frascone.com, yozhang@gmail.com, iesg@ietf.org, draft-ietf-capwap-base-mib@tools.ietf.org
Subject: [Capwap] There is one issue (commented by Pasi) left
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Hi, Pasi: Thanks a lot. So for your comments, there is only one issue (about section 9.1/9.2) left. I would try to give reply by tomorrow. BTW, in the end, once we could close this last issue, I would Put all the changes required in one email, then asked you give a double Confirm. Thanks for your guidance. Regards Richard -----邮件原件----- 发件人: Pasi.Eronen@nokia.com [mailto:Pasi.Eronen@nokia.com] 发送时间: 2010年1月26日 17:49 收件人: young@h3c.com 抄送: capwap-chairs@tools.ietf.org; capwap@frascone.com; dromasca@avaya.com; yozhang@gmail.com; iesg@ietf.org; draft-ietf-capwap-base-mib@tools.ietf.org 主题: RE: Please check my comments,thanks (draft-ietf-capwap-base-mib) shiyang 00338 wrote: >> I'm still not sure the MIB object is useful. First of all, such >> DTLS configuration MIB does not currently exist (and is not even >> planned). Second, it hard-codes an assumption that all WTPs >> connected to an AC use same type of authentication. The CAPWAP >> protocol itself would allow some WTPs so use X.509 and others PSK, >> so if your AC implementation supports this, it can't implement this >> MIB object. >> >> BTW, the same limitation seems to apply to >> e.g. capwapBaseDataChannelDTLSPolicyConfig, too -- if your AC >> supports configuring DTLS for only some WTPs (perhaps those located >> in physically less secure environments), it cannot implement this >> MIB object. >> >> If the WG feels this MIB object is anyway useful, at the very least it >> should point out that many ACs may not be able to implement it. > //////////////////// > [Richard] > Any way, the configuration of such authentication parameter should > not be in the scope of CAPWAP MIB (I explained it in the last > email). As per Pasi's comments, I agree to remove both > capwapBaseControlChannelAuthenConfig and > capwapBaseDataChannelDTLSPolicyConfig. OK. >>> [Richard] >>> Yes, capwapBaseWtpState indicates the AC's CAPWAP FSM state for >>> each WTP, not the WTP's FSM. The capwapBaseWtpState is a MIB object >>> on the AC. > >> OK; please clarify the description accordingly. > > ////////// > [Richard] > The description would be modified: > capwapBaseWtpStateTable OBJECT-TYPE > SYNTAX SEQUENCE OF CapwapBaseWtpStateEntry > MAX-ACCESS not-accessible > STATUS current > DESCRIPTION > "A table of objects that indicate the AC's CAPWAP FSM state > for each WTP, and helps the operator to query the WTPs' > current > configuration." > ::= { capwapBaseWtps 2 } > > capwapBaseWtpStateEntry OBJECT-TYPE > SYNTAX CapwapBaseWtpStateEntry > MAX-ACCESS not-accessible > STATUS current > DESCRIPTION > "A set of objects that display the AC's CAPWAP FSM state > for each WTP. > Also, the operator could query the current configuration > of a WTP by using the identifier of the corresponding > WTP profile." > INDEX { capwapBaseWtpStateWtpId } > ::= { capwapBaseWtpStateTable 1 } > > capwapBaseWtpStateEntry OBJECT-TYPE > SYNTAX CapwapBaseWtpStateEntry > MAX-ACCESS not-accessible > STATUS current > DESCRIPTION > "A set of objects that display the AC's CAPWAP FSM state > for each WTP. > Also, the operator could query the current configuration > of a WTP by using the identifier of the corresponding > WTP profile." > INDEX { capwapBaseWtpStateWtpId } > ::= { capwapBaseWtpStateTable 1 } > > capwapBaseWtpState OBJECT-TYPE > SYNTAX INTEGER { > dtls(1), > join(2), > image(3), > configure(4), > dataCheck(5), > run(6), > reset(7), > dtlsTeardown(8), > unknown(9) > } > MAX-ACCESS read-only > STATUS current > DESCRIPTION > "Represents the various possible the AC's CAPWAP FSM state > for each WTP. > The following enumerated values are supported: > dtls(1) - DTLS negotiation states, which include > DTLS setup, authorize, DTLS connect > join(2) - The WTP is joining with the AC > image(3) - The WTP is downloading software > configure(4) - The WTP is getting configuration from > the AC > dataCheck(5) - The AC is waiting for the Data Channel > Keep Alive Packet > run(6) - The WTP enters the running state > reset(7) - The AC transmits a reset request message > to the WTP > dtlsTeardown(8) - DTLS session is tear down > unknown(9) - Operator already prepared configuration > for the WTP, while the WTP has not contact > with the AC till now" > REFERENCE > "Section 2.3.1. of CAPWAP Protocol Specification, RFC 5415." > ::= { capwapBaseWtpStateEntry 5 } > > The section 6 also needs change: > 4) capwapBaseWtpStateTable > The WTPs status table is used to indicate the AC's CAPWAP FSM state > for each WTP, and helps operator to query WTPs' current > configuration. Looks good! <snip> (I see there're separate emails about the NAT-related things, so I'm omitting those from here.) <snip> >>> [Richard] You are correct, it is not required to give a scope limit >>> to the capwapBaseMacAclId. The editors misunderstood the value 255 >>> mentioned in the RFC5415. >> >> OK. > > //////////////// > [Richard] > the change would be: > capwapBaseMacAclId OBJECT-TYPE > SYNTAX Unsigned32 > MAX-ACCESS not-accessible > STATUS current > DESCRIPTION > "Represents the unique identifier of an ACL." > ::= { capwapBaseMacAclEntry 1 } Looks good! Best regards, Pasi _________________________________________________________________ To unsubscribe or modify your subscription options, please visit: http://lists.frascone.com/mailman/listinfo/capwap Archives: http://lists.frascone.com/pipermail/capwap