There's a lot of errors on that port. I'd "clear counters" and see if they are still occurring or if they are from a past problem.
I'm referring to the input & framing errors, carrier transitions, and interface resets. Looks like the circuit is dropping (or it could be an outage in the past). Jeff On Fri, Mar 6, 2009 at 11:33 AM, David Mazzaccaro < [email protected]> wrote: > Yes, it is a 384k circuit point-point > Results of show int ser0/0/0 are below. What am I looking for here? > > Serial0/0/0 is up, line protocol is up > Hardware is GT96K with integrated T1 CSU/DSU > Internet address is xxx.xxx.xxx.xxx/30 > MTU 1500 bytes, BW 384 Kbit, DLY 20000 usec, > reliability 255/255, txload 3/255, rxload 3/255 > Encapsulation HDLC, loopback not set > Keepalive set (10 sec) > Last input 00:00:00, output 00:00:00, output hang never > Last clearing of "show interface" counters never > Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 780 > Queueing strategy: Class-based queueing > Output queue: 0/1000/64/774 (size/max total/threshold/drops) > Conversations 0/9/128 (active/max active/max total) > Reserved Conversations 1/1 (allocated/max allocated) > Available Bandwidth 4 kilobits/sec > 5 minute input rate 5000 bits/sec, 8 packets/sec > 5 minute output rate 6000 bits/sec, 9 packets/sec > 24582319 packets input, 1599238634 bytes, 0 no buffer > Received 268498 broadcasts, 0 runts, 0 giants, 0 throttles > 36522 input errors, 36518 CRC, 6885 frame, 3165 overrun, 0 ignored, > 16167 a > bort > 23305347 packets output, 3375885992 bytes, 0 underruns > 0 output errors, 0 collisions, 2618 interface resets > 0 output buffer failures, 0 output buffers swapped out > 11 carrier transitions > DCD=up DSR=up DTR=up RTS=up CTS=up > > Results of show policy-map int ser0/0/0: > Serial0/0/0 > > Service-policy output: 75_24 > > Class-map: ef (match-any) > 12445220 packets, 2538824880 bytes > 5 minute offered rate 0 bps, drop rate 0 bps > Match: ip dscp ef (46) > 12445219 packets, 2538824676 bytes > 5 minute rate 0 bps > Queueing > Strict Priority > Output Queue: Conversation 136 > Bandwidth 75 (%) > Bandwidth 288 (kbps) Burst 7200 (Bytes) > (pkts matched/bytes matched) 33385/6810540 > (total drops/bytes drops) 0/0 > > Class-map: af41 (match-any) > 0 packets, 0 bytes > 5 minute offered rate 0 bps, drop rate 0 bps > Match: ip dscp af41 (34) > 0 packets, 0 bytes > 5 minute rate 0 bps > Queueing > Output Queue: Conversation 137 > Bandwidth 24 (%) > Bandwidth 92 (kbps) Max Threshold 64 (packets) > (pkts matched/bytes matched) 0/0 > (depth/total drops/no-buffer drops) 0/0/0 > > Class-map: class-default (match-any) > 10864539 packets, 837569600 bytes > 5 minute offered rate 3000 bps, drop rate 0 bps > Match: any > Queueing > Flow Based Fair Queueing > Maximum Number of Hashed Queues 128 > (total queued/total drops/no-buffer drops) 0/774/0 > QoS Set > dscp default > Packets marked 10551112 > > > Thanks again! > > > > > > ------------------------------ > *From:* Rohyans, Aaron [mailto:[email protected]] > *Sent:* Friday, March 06, 2009 9:54 AM > *To:* NT System Admin Issues > *Subject:* RE: QoS for VoIP on Cisco router > > Looks good to me! J What is the speed of the link? Looks like a 384Kb/s > FT1. Is this a Point to Point T1, or a DIA (Dedicated Internet Access) T1? > How saturated is the link during congestion (you can do a “show int > ser0/0/0” during congestion and look at the “rxload” and “txload” to get an > idea)? I’m assuming it’s using HDLC based on the lack of extra config on > the serial interface. What does the output of “show policy-map interface > serial 0/0/0” give you during times of congestion? Any drops? Is it > matching traffic correctly? > > > > Hope this helps, > > > > *Aaron T. Rohyans* > *Senior Network Engineer* > > *CCIE #21945, CCSP, CCNA, CQS-Firewall, CQS-IDS, CQS-VPN, ISSP, CISP, > JNCIA-ER*** > > *DPSciences Corporation > *7400 N. Shadeland Ave., Suite 245 > > Indianapolis, IN 46250 > Office: (317) 348-0099 > Fax: (317) 849-7134 > *[email protected] <[email protected]> > *http://www.dpsciences.com/ > > > > *From:* David Mazzaccaro [mailto:[email protected]] > *Sent:* Friday, March 06, 2009 9:17 AM > *To:* NT System Admin Issues > *Subject:* QoS for VoIP on Cisco router > > > > Could someone check my router config? > I am no cisco expert (not even a CCNA)…but... > I am trying to configure quality of service for voice over IP. > I believe I have it set up correctly, but the users are still getting > choppy phone conversations when there is other network traffic on the > circuit. > > Here's a snip of the config: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > boot-start-marker > boot-end-marker > ! > logging buffered 4096 debugging > enable secret 5 xxxxxxxxxxxxxxxxxxxxxxxx > ! > no aaa new-model > ! > resource policy > ! > memory-size iomem 25 > mmi polling-interval 60 > no mmi auto-configure > no mmi pvc > mmi snmp-timeout 180 > ip subnet-zero > no ip source-route > ip cef > ! > no ip dhcp use vrf connected > ip dhcp binding cleanup interval 10 > ip dhcp excluded-address 192.168.6.1 > ! > ip domain name yourdomain.com > ! > class-map match-any af41 > match ip dscp af41 > class-map match-any ef > match ip dscp ef > ! > policy-map 75_24 > class ef > priority percent 75 > class af41 > bandwidth percent 24 > class class-default > fair-queue > set ip dscp default > ! > interface FastEthernet0/0 > description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0$ > ip address 192.168.6.1 255.255.255.0 > duplex auto > speed auto > no keepalive > ! > interface FastEthernet0/1 > no ip address > shutdown > duplex auto > speed auto > ! > interface Serial0/0/0 > ip address xxx.xxx.xxx xxx.xxx.xxx.xxx > service-module t1 timeslots 1-6 > max-reserved-bandwidth 100 > service-policy output 75_24 > ! > ip classless > ip route 0.0.0.0 0.0.0.0 Serial0/0/0 > ! > no ip http server > ip http access-class 23 > ip http authentication local > ip http timeout-policy idle 60 life 86400 requests 10000 > ! > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Any help/guidance is greatly appreciated. > Thanks, > Dave > > > > > > > > > > > > > > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
