\u7528DDR(Dial on Demand Routing,\u6309\u9700\u6c42\u64a5\u865f\u8def\u7531)\u4f7f\u7528ISDN
\u5de5\u4f5c\u904e\u7a0b:
1\u6c7a\u5b9a\u76ee\u6a19\u8def\u5f91
2\u6307\u660e\u5efa\u7acbDDR\u901a\u8a71\u7684\u89f8\u767c\u689d\u4ef6
3\u6aa2\u67e5\u64a5\u865f\u8cc7\u8a0a
4\u8cc7\u6599\u50b3\u8f38
5\u6703\u8a71\u7d50\u675f
\u914d\u7f6e\u65b9\u5f0f:
1\u6307\u5b9a\u975c\u614b\u8def\u7531
2\u6307\u5b9a\u89f8\u767c\u6578\u64da
3\u914d\u7f6e\u64a5\u865f\u8cc7\u8a0a
ps:isdn ddr\u5efa\u8b70\u4f7f\u7528\u88ab\u52d5\u4ecb\u9762,\u4e5f\u5c31\u662f\u53ea\u6536\u8def\u7531\u8cc7\u8a0a\u800c\u4e0d\u9001<\/p>\n\n\n\n
………………………<\/p>\n\n\n\n
\u6307\u5b9a\u975c\u614b\u8def\u7531-\u4f7f\u7528\u54ea\u689d\u8def\u7531?
ex:\u6307\u5b9a10.10.0.0\/16\u7db2\u8def\u7d93\u7531192.72.70.142
(config)#ip route 10.10.0.0 255.255.0.0 192.72.70.142<\/p>\n\n\n\n
…<\/p>\n\n\n\n
\u6307\u5b9a\u89f8\u767c\u6578\u64da-\u4ec0\u9ebc\u6a23\u7684\u8cc7\u6599\u80fd\u5920\u5efa\u7acb\u9023\u63a5?
\u5728ACL\u88cf\u8a2d\u5b9a,\u5230\u5e95\u662f\u4ec0\u9ebc\u6a23\u7684\u985e\u5225\u624d\u53ef\u4ee5\u53bb\u89f8\u52d5ROUTER\u53bb\u64a5\u865f
ex:\u6307\u540d\u7279\u5b9ausername\u624d\u53ef\u4ee5\u53bb\u89f8\u52d5ROUTER\u505a\u64a5\u865f\u52d5\u4f5c
ex:\u8981\u6c42\u53bbhinet\u67e5\u8a62DNS\u7684\u6642\u5019\u624d\u6703\u555f\u52d5ISDN\u7684\u64a5\u865f\u52d5\u4f5c,\u5176\u4ed6\u8cc7\u6599\u90fd\u4e0d\u6703\u900f\u904eROUTER\u53bb\u505a\u64a5\u865f<\/p>\n\n\n\n
\u8a2d\u5b9adialer-group\u89f8\u52d5isdn\u547d\u4ee4
(config)#dialer-list < group-num> protocol < protocol> < permit|list < acl>>
\u82e5\u4f7f\u7528permit\u8868\u793a\u6240\u6709\u4ea4\u901a\u53ef\u89f8\u52d5isdn
\u82e5\u4f7f\u7528list < acl>,\u5247acl\u4e5f\u5fc5\u9808\u8a2d\u5b9a
ps:\u9700\u5c07\u4ecb\u9762\u52a0\u5165dialer-group,\u8a72\u4ecb\u9762\u624d\u53ef\u4f7f\u7528\u6b64\u89f8\u52d5isdn
ex:\u8a2d\u5b9adialer-group 1\u53ef\u88ab\u6240\u6709\u7684\u4ea4\u901a\u89f8\u52d5isdn\u7dda\u8def
(config)#dialer-list 1 protocol ip permit
ex:\u8a2d\u5b9adialer-group 1\u53ea\u6709telnet\u7684\u4ea4\u901a\u53ef\u4ee5\u89f8\u52d5isdn\u7dda\u8def
(config)#access-list 110 permit tcp any any eq telnet
(config)#dialer-list 1 protocol ip list 110<\/p>\n\n\n\n
…….<\/p>\n\n\n\n
\u914d\u7f6e\u64a5\u865f\u8cc7\u8a0a-\u64ad\u53eb\u54ea\u500b\u865f\u78bc?<\/p>\n\n\n\n
\u5c07\u4ecb\u9762\u52a0\u5165dialer-group
(config)#int < isdn interface>
(config-if)#dialer-group < group-num>
ps:\u6703\u53c3\u8003\u5230dialer-list<\/p>\n\n\n\n
\u8a2d\u5b9a\u64a5\u63a5\u53c3\u6578,\u6709\u4ee5\u4e0b\u5169\u7a2e
\u4e00\u822c
(config)#int < isdn interface>
(config-if)#dialer string < tel>
\u8f03\u5b89\u5168
(config)#int < isdn interface>
(config-if)#dialer map ip < dest-ip> name < remotehost> [speed < value>] < tel>
< remotehost>\u9700\u65bc\u9060\u7aef\u4e3b\u6a5fname\u4e00\u81f4\uff0c\u9060\u7aef\u4e3b\u6a5f\u53ef\u7528hostname\u8a2d\u5b9a\u4e3b\u6a5f\u540d\u7a31<\/p>\n\n\n\n
ex:
\u4f7f\u7528dialer-group 1\u5c31\u53ef\u64a51234567\u5230\u540d\u7a31\u70baabc,ip\u70ba192.72.70.14\u7684\u4e3b\u6a5f
(config)#dialer-list 1 protocol ip permit
(config)#int bri0
(config-if)#ip address 192.72.70.142 255.255.255.0
(config-if)#dialer-group 1
(config-if)#dialer map ip 192.72.70.14 name abc 1234567<\/p>\n\n\n\n
………………………………………………………………………………………………………<\/p>\n\n\n\n
\u8a2d\u5b9a\u7b49\u5f85\u6642\u9593
(config)#int < isdn interface>
(config-if)#dialer idle-timeout < second>
ex:\u7b49\u5f85180sec\u624d\u65b7\u7dda
(config-if)#dialer idle-timeout 80<\/p>\n\n\n\n
\u8a2d\u5b9a\u555f\u52d5\u7684\u6578\u91cf
(config-if)#dialer load-threshold < 1-255> < act>
\u82e5\u8a2d255\u8868\u793a\u53ea\u6709\u7576\u7b2c\u4e00\u500b\u901a\u9053\u7684\u8ca0\u8f09\u9054100\uff05\u6642\u624d\u555f\u52d5\u7b2c2\u500b\u901a\u9053
\u662f\u9078\u64c7\u8a08\u7b97\u65b9\u6cd5,\u65b9\u6cd5\u6709\u6839\u64da\u96e2\u958b\u7684\u4ea4\u901a,\u9032\u5165\u7684\u4ea4\u901a,\u5169\u65b9\u5411\u7684\u4ea4\u901a<\/p>\n\n\n\n
\u8a2d\u5b9a\u4fdd\u7559\u5c01\u5305\u7684\u4f47\u5217\u9577\u5ea6
(config-if)#hold-queue < amount> < in|out><\/p>\n\n\n\n
\u8a2d\u5b9aswitch-type
(config)#isdn switch-type < type>
\u4e5f\u53ef\u5728\u4ecb\u9762\u4e0a\u8a2d\u5b9a
(config)#int < isdn interface>
(config-if)#isdn switch-type < type>
< type>\u7a2e\u985e\u6709\u4ee5\u4e0b\uff1a
basic-ltrb :\u5fb7\u570b\u5236
basic-5ess :\u7f8e\u570bat&t
basic-dms100 :northern
basic-net3 :\u6b50\u6d32\u5236\uff0c\u53f0\u7063\u5e38\u7528
basic-nil :\u570b\u969b\u6a19\u6e96
basic-nwnet3 :\u632a\u5a01\u5236
basic-nwne3 :\u7d10\u897f\u862d\u5236
basic-tso13 :\u6fb3\u5927\u5229\u4e9e\u5236
vn2.vn3 :\u6cd5\u570b\u5236<\/p>\n\n\n\n
\u8a2d\u5b9aspid\u53ca\u5340\u57df\u76ee\u9304\u78bc\u865f
(config)#int < bri interface>
(config-if)#isdn spid < num> < spid> [area dirnum]
\u6709\u4e9b\u4f9b\u61c9\u5546\u4e0d\u8981\u6c42\u8a2d\u5b9aspid
[area dirnum]\u5340\u57df\u7684\u76ee\u9304\u865f\u78bc\u70ba\u9078\u64c7\u6027\u53c3\u6578\uff0c\u4f46\u6709\u4e9b\u4ea4\u63db\u6a5f\u6703\u8981\u6c42\u8a2d\u5b9a<\/p>\n\n\n\n
ps:dial backup \u7576\u4e3b\u8981\u7684\u9023\u7dda\u5931\u6557\u6703\u555f\u52d5\u7b2c2\u689d\u9023\u7dda
ps:multilink PPP \u5c07\u591a\u500bisdn channel\u7d50\u5408\u8d77\u4f86<\/p>\n\n\n\n
ps:
isdn ?
switch-type\u3000\u3000 Select the Interface ISDN switch type
spid2\u3000\u3000 Specify Service Profile Identifier
spid1\u3000\u3000 Specify Service Profile Identifier<\/p>\n\n\n\n
ps
dialer ?
load-threshold\u3000\u3000 Specify threshold for placing additional calls
map\u3000\u3000 Define multiple dial-on-demand numbers
pool-member
fast-idle\u3000\u3000 Set idle time before disconnecting l
unusually\u3000\u3000 high level of contention
string\u3000\u3000 Specify telephone number to be passed to DCE device
priority\u3000\u3000 Specify priority for use in dialer group
idle-timeout\u3000\u3000 Specify idle timeout before disconnecting line
<1-10> Dialer list number<\/p>\n\n\n\n
ps:ppp\u53ef\u4ee5\u8a2d\u5b9a\u5728isdn\u4e0a,\u4e26\u4f7f\u7528chap\u8a8d\u8b49
(config)#int
(config-if)#encap ppp<\/p>\n\n\n\n
……………………………………………………………………………………<\/p>\n\n\n\n
\u67e5\u770b\u64a5\u63a5\u8cc7\u8a0a
#show dialer
\u63d0\u4f9b\u64a5\u63a5\u7684\u8a3a\u65b7\u8cc7\u8a0a,\u986f\u793a\u64a5\u63a5\u5b57\u4e32\u5df1\u7d93\u7528\u4e86\u5e7e\u6b21,\u6bcf\u500bb\u901a\u9053\u9592\u7f6e\u903e\u6642\u503c,\u547c\u53eb\u7684\u9577\u5ea6,\u4ecb\u9762\u6240\u8981\u9023\u63a5\u4e4b\u8def\u7531\u5668\u540d\u7a31<\/p>\n\n\n\n
\u986f\u793aisdn\u72c0\u614b
#show isdn status
\u53ef\u77e5\u662f\u5426\u5df1\u9023\u4e0aisdn,\u4e26\u986f\u793a\u7b2c1\u52303\u5c64\u7684\u8cc7\u8a0a\u8207isp\u4ea4\u63db\u6a5f\u901a\u8a0a<\/p>\n\n\n\n
\u986f\u793aisdn\u7684\u6d3b\u52d5\u72c0\u614b
#show isdn active
\u53ef\u77e5\u9053\u547c\u53eb\u7684\u865f\u78bc,\u53ca\u547c\u53eb\u662f\u5426\u6b63\u5728\u904b\u884c<\/p>\n\n\n\n
\u958b\u555fisdn\u7b2c\u4e8c\u5c64\u932f\u8aa4\u5075\u6e2c\u547d\u4ee4
#debug isdn q921
\u53ef\u78ba\u4efbisdn\u9023\u7dda\u5230isdn switch<\/p>\n\n\n\n
\u958b\u555fisdn\u7b2c\u4e09\u5c64\u932f\u8aa4\u5075\u6e2c\u547d\u4ee4
#debug isdn q931
\u53ef\u986f\u793aisdn call\u5efa\u7acb\u548c\u95dc\u9589\u7684\u8a0a\u606f<\/p>\n\n\n\n
\u6aa2\u8996\u6e96\u5099\u8207\u62c6\u65b7\u547c\u53eb\u7684\u6d3b\u52d5
#debug dialer<\/p>\n\n\n\n
\u6e05\u9664\u4ecb\u9762\u62c6\u6389\u9023\u7dda
#isdn disconnect int < isdn interface><\/p>\n","protected":false},"excerpt":{"rendered":"
\u7528DDR(Dial on Demand Routing,\u6309\u9700 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[32],"tags":[],"class_list":["post-908","post","type-post","status-publish","format-standard","hentry","category-cisco-network"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/comments?post=908"}],"version-history":[{"count":0,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/posts\/908\/revisions"}],"wp:attachment":[{"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/media?parent=908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/categories?post=908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systw.net\/note\/wp-json\/wp\/v2\/tags?post=908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}